Solderless Breadboard, Test & Review

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James Sharman

James Sharman

3 роки тому

I need to buy some more breadboards for the final stages of my cpu build, I've had different boards from and things have been a little bit inconsistent, so I decided to buy a selection and give them a decent test to decide what I'll be buying.
Here are the boards under test:
1) Keyestudio MB-102 www.amazon.co.uk/gp/product/B...
2) Elegoo MB-102 www.amazon.co.uk/gp/product/B...
3) Sunfounder www.amazon.co.uk/gp/product/B...
4) ZY White www.ebay.co.uk/itm/1142661559...
5) ZY Clear www.ebay.co.uk/itm/1142661559...
6) Connfly www.ebay.co.uk/itm/164055638318
7) Zhong Yi MB-102 www.ebay.co.uk/itm/140924195631
8) BPS BB830 www.mouser.co.uk/ProductDetai...
9) BX-4112N www.ebay.co.uk/itm/183010286672

КОМЕНТАРІ: 118
@genxtech5584
@genxtech5584 3 роки тому
One thing I think you almost hit on but came up a little short is the metals ability to retain it's shape and not deform under load. I had a cheap board that after inserting a few larger leg components into the holes they became unusable. The clips would spread out and lose their ability to hold causing frustrating intermittent connection issues. When you had them all apart under the scope it would have been really neat to test how far each can spread without permanently damaging the clip, I'm guessing the bronze tint on the BB830 you noticed makes a difference. I've since switched all my boards to that model after spending 3 days trying to track down an ALU problem on a faulty board.
@weirdboyjim
@weirdboyjim 3 роки тому
That's an excellent point. The contacts on the BB830 are a phosphor bronze which is known for fatigue resistance and springiness, that would explain the different color to the others and may be a big part of the quality difference.
@weirdboyjim
@weirdboyjim 3 роки тому
I've just started designing the pcb's for my ALU, should make it more reliable.
@GnuReligion
@GnuReligion 3 роки тому
@@weirdboyjim Am loathe to put something like your Arduino in my cheap breadboards, for fear of permanently deforming the contacts. A physical resistance pull-test on the leg of a 1/4 watt resistor, immediately following insertion of something with a long, rigid square pins would be of interest. Was hoping you would put a magnet to back of each, to find which are tinned steel, and which tinned bronze. All this makes me want to build a solderless beadboard using female PCB pin headers. Perhaps one row could be round, grabby headers, for skinny wires ... and even another oddball row of male pins, for wire-wrapping.
@weirdboyjim
@weirdboyjim 3 роки тому
Go watch my diode matrix video, I tried that but the pcb headers don't grip wires so well. Magnet is a good suggestion!
@matambale
@matambale 2 роки тому
Very useful tests, thank you. Nothing more time-consuming than debugging a problem that finally resolves to an issue with the board itself.
@weirdboyjim
@weirdboyjim 2 роки тому
Tell me about it! That exact things has happened a few times. Only buy the good ones now.
@matambale
@matambale 2 роки тому
@@weirdboyjim Thanks again - on the strength of your tests, I just bought three BPS BB830 boards for US $8 apiece (£5.86) via Amazon. They are quite robust.
@JamonTerrell
@JamonTerrell 3 роки тому
The metal is for shielding, you peel the back sheet off the foam and stick the metal on. Keep in mind that only works if you don't disconnect a power rail from the side of one.
@weirdboyjim
@weirdboyjim 3 роки тому
I wondered if it was something like that thanks.
@thek3743
@thek3743 3 роки тому
Can you please clarify your second sentence? And do you have personal experience with the metal shilding? Does it make a difference for more complex setups and higher frequencies? Or any links to documents on breadboard shilding? tnx!
@JamonTerrell
@JamonTerrell 3 роки тому
I haven't tested, but I would expect that you'd be able to get a little higher frequency signals with the shielding on, especially if you have a bunch of boards together. It would be an interesting thing to test, if I find time to do that, I'll post it back here. As for the second sentence, when you snap two breadboards together, you and up with two power rails right next to each other, so it's common to snap off one of them to save room. You'll notice that James does that. Ben Eater did that as well, and used the extra power rails as his bus. The shielding is one solid sheet of metal, sized to conver the full breadboard. If you snap off a power rail, the sheet is now too big to match the breadboard.
@thek3743
@thek3743 3 роки тому
@@JamonTerrell Tnx got it now. Yes, the metal plates would need trimming with one powerrail removed. I ask because my son and I bought the Ben Eater SAP kit and enhanced it in many ways. Sadly we encounter many glitches. Probably due to the large size and wire lengths. We wonder if shilding would help, but that's nearly impossible now as 18 breadboards are already glued on a cardboard.
@thek3743
@thek3743 3 роки тому
@@JamonTerrell BTW: I inquired at BusBoard (manufacturer of BB830) directly and they told me the metal plate is only for physical stability.
@DustinWatts
@DustinWatts 3 роки тому
Thanks for investing time and money to do this review! I will definitely come back to this when I need new breadboards. And because of the scoring system on different aspects, I can choose my breadboard according to my needs. For example, if I want to be able to switch a lot of connections around during prototyping, I sometimes like a bit of a looser fit. Another purpose is when I build something where the wiring stays pretty much in place once done and then the rest is done in software for example, I like the tighter fit so brushing against the wires isn't a big issue.
@weirdboyjim
@weirdboyjim 3 роки тому
Thanks Dustin! I find any old breadboard isn'y too bad for single board projects, once you end up with a big build with many breadboards it get's really tricky to track down an loose wire.
@DustinWatts
@DustinWatts 3 роки тому
@@weirdboyjim I can only begin to imagine how that would feel on the 8-bit pipeline build. Reminds me of the song title of a Freddy Fender song. If you don't know the song, try Googling it ;)
@AjinkyaMahajan
@AjinkyaMahajan 3 роки тому
Wonderful Comparision. Thanks for sharing ✨
@weirdboyjim
@weirdboyjim 3 роки тому
Glad you liked it Ajinkya!
@monotrope
@monotrope 3 роки тому
The most important part was taking apart the contacts. The narrower slit type with coppery tint (BB830) has the best characteristics in the sense that it's very flexible so easy to insert the leads and also has a very narrow slit meaning when the metal flexes back it grips the leads tightly making good contact. That's probably the most important characteristic of a breadboard. As for the transparent vs white breadboards, the 400 t-pt versions have a similar trend where the transparent ones seem to grip tighter compared to the white ones. MB-102 has become a generic synonym for 830 t-pt BBs. There are some variants such as WBU-202R & SD-12 that are much better but hard to get hold of. EE1102 is supposed to be really good as well. Again all these are from TW. In my research, I've found that TW/HK/US manufacturers generally tend to be better than CH ones.
@weirdboyjim
@weirdboyjim 3 роки тому
One thing I wish I had done (someone suggested it in the comments) is to test the contact material with a magnet. Sounds like material is making a difference as well.
@djc1402
@djc1402 3 роки тому
Thanks for taking the time (and expense) testing various breadboards. As I've said before I found the Elegoo boards to be terrible, and now exclusively use BB830 boards. I get most of my components from Mouser and I usually add a few breadboards to an order to bring it up to the minimum for free postage. That way I can spread cost over time. Definitely use BB830 boards for Video!
@weirdboyjim
@weirdboyjim 3 роки тому
I've been splitting my component purchases between lcsc, digikey and mouser, there is usually something one or other supplier doesn't have that forces me to jump around.
@monotrope
@monotrope 3 роки тому
I guess that's what I am going to end up doing as well. Still it's so hard to convince myself to pay $8 on a damn breadboard. If only the chinese could maintain minimum quality and sell at $3-4 I'd buy them. But they make $1 crap that just doesn't work.
@alexandreparent9472
@alexandreparent9472 8 місяців тому
Thanks a lot for your dedication!
@weirdboyjim
@weirdboyjim 6 місяців тому
Thanks! I appreciate the support!
@davidcourtney1398
@davidcourtney1398 3 роки тому
Great review. I've gone through a variety of breadboards myself. I haven't done any kind of testing like this, but the BPS BB830 boards are just obviously better than the other random boards I've bought from Amazon and eBay ... so much so, that I've settled on them as my default at this point. They are a bit pricey, but the troubles and frustrations I've experienced with other boards just isn't worth the savings.
@weirdboyjim
@weirdboyjim 3 роки тому
I really wish there was a good way to do power distribution and decoupling on breadboards though. you always end up with a big loop between power and ground.
@thek3743
@thek3743 3 роки тому
@@weirdboyjim What do you mean by decoupling?
@weirdboyjim
@weirdboyjim 3 роки тому
Decoupling capacitors are used to "decouple" the power supply going to a specific chip or part of the circuit from the rest of the circuit. Usually they take the form of a capacitor that you connect across the power inputs to a chip "as close as possible". On a breadboard you usually connect the power and ground to opposite sides it makes this difficulty.
@thek3743
@thek3743 3 роки тому
@@weirdboyjim Tnx got it now. Yes I wondered too if more direct decoupling would help with glitches and such. I saw someone soldering decoupling caps directly on the chips.
@jerril42
@jerril42 3 роки тому
Most of the boards I have are the Elegoo brand. I've tried quite a few others. Some of mine have very different pins for clipping them together. The other thing I've found is the markings can be a little different: the way they are numbered. A few have the power rails switched relative to the way they clip into each other., making mixing the boards a little less intuitive. Great overview. Thanks James, take care.
@weirdboyjim
@weirdboyjim 3 роки тому
Thanks Jerril! I'd come across different clips before, but I've not yet seen compatible clips but different polarity markings. I do wish there was a better way of connecting power rails up for multi part builds though, I've been tempted to bridge the top and bottom with soldered wires underneath before.
@SpinStar1956
@SpinStar1956 Рік тому
A couple of thoughts: First, the split rail is really handy when you have a analog front-end and then a digital output/display circuit--it isolates the analog from digital power. Second, the metal shield that is separate is nice in that you can simulate roughly the same electrical conditions as breadboards that are mounted on a metal-base. It should be noted that when you have metal underneath, you both increase the capacitance and the coupling. Many people complain that you cannot proto-type RF-circuits on breadboards, but if do not use a metal-base and you skip rows of connections and star-ground, most all RF circuits can be made with only minor changes when you put them on a PCB. I just purchased some of the BBS-830 in transparent and am looking forward to trying them out. However, the best boards I have are the gold-plated AP-Products ones from the 70's that are still just fine to this day...
@weirdboyjim
@weirdboyjim Рік тому
Interesting, my evaluation was very much targeted at the kind of digital circuits I've been building.
@SpinStar1956
@SpinStar1956 Рік тому
@@weirdboyjim Thank you for reading and replying. For sure know I appreciate your review and channel-content! 😃
@thorstengonschior5603
@thorstengonschior5603 2 роки тому
thx a lot for this test and review. helped me in my buying decision.
@weirdboyjim
@weirdboyjim 2 роки тому
Glad it was helpful!
@Arick_Lee
@Arick_Lee Рік тому
From your comments about interconnecting boards and power rail width. The MODULAR BB1460. Is right up your alley. It is basically two power rails and two 630 point boards that can be interconnected in any configuration. See amazon, Cheers!
@weirdboyjim
@weirdboyjim Рік тому
That's actually what I've been buying. One of those and BB830 gives you 3x630's with a single power rail between each one.
@olavl8827
@olavl8827 3 роки тому
I only just saw this. I'll keep your recommendation in mind if I ever need to some "high end" breadboarding. Personally for my limited experiments I've settled some time ago on the transparent ones, with split power rails. I usually buy them from AliExpress. They're affordable and I haven't had too much trouble with them. I had others (the yellowish/white ones) that were almost curled up on themselves, terrible soft plastic. I don't mind split power rails because it makes it easy to have different voltages in the circuit. Or else I just bridge them together like you showed. This has always worked so far.
@weirdboyjim
@weirdboyjim 3 роки тому
I've actually just started looking at some analogue circuitry that will need extra power rails. Fortunately I have have lots of spare power rails from where I have combined breadboards to re-use.
@Graham_Wideman
@Graham_Wideman 3 роки тому
@James Sharman It's apparent that in some breadboards, the contacts are not positioned centrally beneath the square holes, which means that as you insert a pin, instead of encountering the funnel shape between the contacts, instead it may encounter the shoulder on one side of the contacts. That either completely blocks entry, or requires a lot of force to get the pin to slide into the funnel. I just discovered that part of the issue with some breadboards' is that the pattern of 0.65mm square holes in the top (that receive your component's pins) is not centered over the 1.9 mm wide cavities that house and constrain the contacts. You can view this from the rear (after removing the double-sided tape and contacts). So the contacts are held off-center relative to the hole. That defect would appear to be an error in the mold for the entire plastic housing, or perhaps misregistration of mold and later punch stage. I have some Adafruit #239, and in some places the 0.65mm square holes are positioned in the 1.9mm channel with about 0.3mm on one side, and 1mm on the other side.
@weirdboyjim
@weirdboyjim 3 роки тому
That alignment issue is interesting, amazing how many way very similar looking products can differentiate.
@JohnOSullivan_bray
@JohnOSullivan_bray 3 роки тому
great vid thanks for the testing and information
@weirdboyjim
@weirdboyjim 3 роки тому
You are welcome John, my videos like this tend to be "I want to do this for me, but others may want to know as well" so it's good to hear it was useful.
@m1geo
@m1geo Рік тому
I find it important that different size contacts be tested. When you had the metal parts out, it would have been interesting to push a 10A diode lead into the holes and then seeing how they closed up afterwards. Most of them are made at the same factory! 😂
@weirdboyjim
@weirdboyjim Рік тому
One suggestion from the comments I really kicked myself over was to check them with a magnet. Sure it's not a mass spectrograph but it would have separated the ones made of iron.
@m1geo
@m1geo Рік тому
@@weirdboyjim would have been interesting to use a lab power supply set to 1A constant current and measure the voltage drop. 😂
@LeoBerardino
@LeoBerardino 3 роки тому
Hey James. Nice comparison. You didn't compare the metal memory, the ability of the metal returning to the initial state. You can insert a tool into the contact and see if it will return to the previous position. This test can give you an idea if the board will have good contact even after connecting and disconnecting components many times.
@weirdboyjim
@weirdboyjim 3 роки тому
Yeah, that sounds like it would have been worth testing.
@rdwells
@rdwells 3 роки тому
Ben Eater has a video where he did test that, but he was only comparing the BB830 to (IIRC) the MB-102. In that test, the BB830 won hands down.
@jumbo999614
@jumbo999614 Рік тому
Is self-lock push button compatible with breadboard? My button always pop out of the socket which is really annoying. Also, is there any technique for inserting Relay into breadboard. The middle pin of the Relay doesn't match the position of the socket.
@weirdboyjim
@weirdboyjim Рік тому
If you look closely for some things on breadboard I sit them in pin headers, that solves the pop out issue. Can’t really help with the relays, some fit and some don’t. You could solder wires or or make an adapter pcb but getting a different relay would be just as easy.
@randomelectronicsanddispla1765
@randomelectronicsanddispla1765 3 роки тому
I have tried a few different brands of boards. Most local retailers (Australia) apparently only repackage cheap ones. And most I have tried don't handle header pins well at all. Though I'm not sure any are designed to be used with such big pins. Even the expensive ones at jaycar aren't consistant or reliable.
@weirdboyjim
@weirdboyjim 3 роки тому
Interesting. The Pins on this module are 0.62mm square, all of the modules that came with documentation say they go up to 21awg, maybe round pins would be easier on them. Corner to corner of a 0.62mm square does go slightly above the diameter rating for 21awg. Some (including the BB830) specifically mention "square post headers".
@davidsherrick8633
@davidsherrick8633 3 роки тому
Great comparison. Thanks. I'm curious about how your higher frequency stuff goes. I ran into a situation a few weeks ago working on a test with a 4 input DAC IC on a breakout board. When I tested with an RC receiver (60hz signals) I had horrible results when the two inputs were next to each other on the breadboard. When I moved the inputs to opposite sides of the breadboard everything worked great. Of course the breadboard is just a random super cheap one. I didn't think to try it on the BB830. Although I don't have any of those that aren't in use anyway...
@weirdboyjim
@weirdboyjim 3 роки тому
I'm curious about the high frequency stuff as well, it does have the advantage that the video circuit will be less sensitive than the cpu, the occasional error will be a visual glitch than a program clash. I am prepared for the possibility of needing to transfer the high frequency parts to pcb sooner though.
@wChris_
@wChris_ 3 роки тому
the great thing with mouser is, that if you buy a lot you get a cheaper price per part!
@weirdboyjim
@weirdboyjim 3 роки тому
If you haven't just spent all your money on other boards to do a test & review ;-)
@wChris_
@wChris_ 3 роки тому
🙃
@varshneydevansh
@varshneydevansh 24 дні тому
Amazing review
@weirdboyjim
@weirdboyjim 16 днів тому
Glad you think so!
@MrJozza65
@MrJozza65 3 роки тому
Thanks for a comprehensive comparison. I've found that breadboards from eBay are a mixed bag; it's pretty much pot luck as to the quality. I used a cheap eBay supplied board to plug headers into a board as a guide for soldering, and when I removed them, they were all at an angle. I would much rather pay more for a named product from a known UK supplier; a few more pounds invested in a product that I will use for years is worth it, and I think that the BB830 proved that. Like any tool, if you can spend a little more for better quality, it will save frustration when you use it. I still have some 30+ year old boards originally purchased from Maplin,. and the quality is way higher than anything I've had from eBay.
@weirdboyjim
@weirdboyjim 3 роки тому
Indeed, by the time I started I was fully expecting the BB830's to give strong showing. I actualy think the Zhong Yi boards are ok for small projects, but if you are going to start on something like my cpu build I think you would be smart to invest in some better ones.
@TomStorey96
@TomStorey96 3 роки тому
Really excellent video! My concern with these cheap boards is whether they come from the same OEM from batch to batch. Maybe this batch is fine, but next batch will be worse, or vice versa. A quality brand probably won't have the same kind of "economics" at play and will have more consistent product. The contacts for 8 and 9 might be made of beryllium copper, which probably explains why they have lower resistance, since it's a better material. The others all look like vanilla nickel plating.
@weirdboyjim
@weirdboyjim 3 роки тому
Thanks Tom. You may well be right about the consistency, when I received all the boards I thought I had messed up in that 4 and 7 appear to be the same spec from the same manufacturer, but the different test results paint a different picture.
@TomStorey96
@TomStorey96 3 роки тому
One thing is for sure though, Elegoo still seems to be crap lol Most of my boards now are larger assemblies branded K&H, and they are perfect. Got them from Maplin when that was still a thing.
@sylens_
@sylens_ 2 місяці тому
Hello, Its me again upon looking at your review on the breadboard, im currently in the market for breadboards that are continuous and do not have a break for the power rails. Do you recommend any of these breadboards here that are continuous without a break? Still fairly new to understanding what a breakable power rail and a continuous one looks like upon researching.
@weirdboyjim
@weirdboyjim 2 місяці тому
Look at the red/blue (or red/black) lines along the power strips. If they have a gap in the middle that means they have a split rail. The BB830's I recommend here are not split.
@sylens_
@sylens_ 2 місяці тому
@@weirdboyjim thank you for the quick reply, I’ll also play your video back to become more aware of them.
@diamondkinggamin7980
@diamondkinggamin7980 3 роки тому
I use a mix of the Elegoo boards and the BB830 boards in my computer because I learned how much better the BB830's were after I started. I've noticed that the BB830's tabs aren't made to push into the connection slot, but slide in from the bottom so they kind of lock in place. Just something I figured I'd share with you. Loving your videos!
@weirdboyjim
@weirdboyjim 3 роки тому
Thanks Diamondking! Glad to hear you are finding the series interesting!
@doodfromellay5325
@doodfromellay5325 Рік тому
I wonder how many were made in the same factory.. I'm new to electronics and breadboards but have been here long enough to notice a difference. I have Sunfounder, Elegoo, and several tiny boards that idk the name of. They actually work the best but are too small for most circuits I build. They're actually the best ones.
@weirdboyjim
@weirdboyjim Рік тому
That's an interesting question, a more pertinent one might be how many of the manufacturers use the same source of metal clips as the differences there are likely to be the most significant.
@r.d.machinery3749
@r.d.machinery3749 3 роки тому
I was having real problems with breadboards until I saw lots of recommendations for the Bus Board breadboards. I bought 10 of them from Mouser and got free shipping, so the cost wasn't too bad (why don't Mouser have an economy shipping method?). After having used them for 4 months now I wouldn't go back to using the others. Sure, they are expensive, but they are so much better than the others I bought. Oh, and I also found the Elegoo boards to be pretty terrible -I couldn't get the components into the holes. Thanks for doing the round-up test.
@weirdboyjim
@weirdboyjim 3 роки тому
Glad you liked it. There are plenty of things where paying the extra doesn't make much difference, I wanted to do the test to be sure that this wasn't one of those.
@raingaming5233
@raingaming5233 2 роки тому
Hey just have a question i am considering to buy the Zhong Yi MB 102 is it any good ?
@weirdboyjim
@weirdboyjim 2 роки тому
They are not terrible, but these days I wouldn't buy anything other than the bb830
@raingaming5233
@raingaming5233 2 роки тому
@@weirdboyjim oh I will buy the bb830 now thanks for the advice
@Graham_Wideman
@Graham_Wideman 3 роки тому
Great idea doing these tests. However, both the contact reliability/resistance tests, and the insertion/extraction force tests are highly dependent on the size of the wire or pin being inserted, and critically, on whether the pin is symmetrical (round or square) or more of a flat blade that might present either its fat or thin dimension to the gripping contacts in the board. The latter is likely the reason for the poor gripping of the DIP switch .
@weirdboyjim
@weirdboyjim 3 роки тому
The dip switches also have very short legs that barely make it to the contacts. I picked the dupont cable and the square pinned module because they are the most common use cases.
@Graham_Wideman
@Graham_Wideman 3 роки тому
@@weirdboyjim Ah, so "distance below the breadboard surface at which the contacts grip" is also a dimension of interest, and variation, apparently.
@JulienTant
@JulienTant Рік тому
I just got my very first breadboard and it’s a elegoo… I struggle to insert anything that is not super solid. So like resistors are a real struggle. I was wondering if I was just bad or if the board was d’effective, turns out the Amazon page of their board is filled with comments of people who find the holes to be too tight
@weirdboyjim
@weirdboyjim Рік тому
Some of them are prety terrible. Try poking the holes individually with a dupont cable before you use them for components.
@JulienTant
@JulienTant Рік тому
@@weirdboyjim yeah I did that and for some holes it helped, but for some other even inserting the dupont cable is "challenging", I mean the amount of resistance I get is just too much. But as I noob... what do I know lol this is my first kit and for a while I was just thinking I was doing it wrong, I ordered a few other breadboard to make sure 😅result coming in the next few days :P
@TheLoker3
@TheLoker3 Рік тому
Thank you sir.
@weirdboyjim
@weirdboyjim Рік тому
You are welcome!
@KallMeChris
@KallMeChris 2 роки тому
Hello, I don’t know if anyone mentioned it but what is that little camera called at 8:30secs
@weirdboyjim
@weirdboyjim 2 роки тому
That's a USB microscope, it was fairly cheap of ebay. I just had a quick search I can't see any listings at the moment for it but they do appear still occasionally.
@KallMeChris
@KallMeChris 2 роки тому
@@weirdboyjim thank you for replying!! And thank you for making me aware of that, I’ll keep a look out for one
@weirdboyjim
@weirdboyjim Рік тому
A short video on it: ukposts.info/have/v-deo/bn5zhXmnen6lrIU.html
@KallMeChris
@KallMeChris Рік тому
@@weirdboyjim thank you!
@monotrope
@monotrope 3 роки тому
Do joining the power rails really make that much of a difference? A super short 20AWG wire should ensure good enough contact, short enough length and thick enough conductor to negate any LCR issues that might crop up. Having split power rails allows you to have 8 power rails compared to just 4 so you can have that extra flexibility. Ideally though breadboards with changeable power rails would offer the highest flexibility as you can choose continuous or split power rails based on your demand.
@weirdboyjim
@weirdboyjim 3 роки тому
The answer to that is a non committal "sometimes". There are two reasons why it's been significant to me, firstly the links take up space. I've had a few occasions where I've had to leave bigger gaps between chips because I needed more GND connections than I had due to those links. The other reason is resistance, every wire link adds up. If you are just plugging a module in and connecting a few wires up you'll never notice it, but when you make sprawling builds with dozens of breadboards it can add up to a notable voltage drop.
@Graham_Wideman
@Graham_Wideman 3 роки тому
7:50 "There was a stream from Brian [something]" Anyone know who this was and where that stream can be viewed? Sounds interesting.
@weirdboyjim
@weirdboyjim 3 роки тому
That was Brian Lough ukposts.info can't remember which stream though, it was just a passing comment.
@DigicoolThings
@DigicoolThings 3 роки тому
If you’re after multiple BB830’s, it looks like you can save some money by instead ordering BB1660’s, which are effectively 2x BB830’s bundled together at a lower price. There is also a new BB1460 which does away with the 2 middle bus bars, if you want to save some space and can live with 1 bus bar feeding 2 sides. eg. If you bought multiple BB1460’s and 1x BB830 you could effectively assemble a wide bank of breadboards with a single bus bar between each board (and 1 on each outer edge). Hmmm. :)
@weirdboyjim
@weirdboyjim 3 роки тому
Hey Digicool, there was a paper slip with the BB830 that listed the varients, what I can't seem, to find out is if the BB1460 can be split in the middle? That would mean you could make the alternating boards I've been making without paying for a collection of power bus bars.
@edgeeffect
@edgeeffect 3 роки тому
"What I've got here is a" (gargantuan) "selection of breadboards" I find that it's easier to use modules with a minimum of force and better longevity for the breadboard is to use machine pin headers instead of square pin headers... but I've not done "in depth testing" and many people MAY disagree with me completely. They may well be easier on round-hole breadboards too. I'd love to hear people's opinion on machine pin headers Vs square pin headers????
@weirdboyjim
@weirdboyjim 3 роки тому
I suspect you maybe right on the machine pin headers, for the breadboards that only say "21 to 26 awg" and don't mention square pins they are technically out of spec.
@anshul493
@anshul493 3 роки тому
are you planning to make a kit?
@anshul493
@anshul493 3 роки тому
(front panel would be cool too)
@weirdboyjim
@weirdboyjim 3 роки тому
I'm mostly focused on trying to finish the build, I'm not sure a kit of this would be the best thing to do. I am making all my pcb designs public, I know a few people have reproduced bits, or are planning to. The whole build is designed to be it's own front panel (hence all the led's on the pcb's), I'm thinking about maybe a wall mount for it with a protective perspex front.
@anshul493
@anshul493 3 роки тому
@@weirdboyjim When Are you Planning to Finish it?
@weirdboyjim
@weirdboyjim 3 роки тому
@@anshul493 Honest answer? Around this time last year. ;-)
@anshul493
@anshul493 3 роки тому
@@weirdboyjim Are you planning to make permanent storage i.e paper punch or cassette for data storage?
@stevensexton5801
@stevensexton5801 3 роки тому
All chinese breadboards are knock offs of the BB830. I bought some e-bay specials and have since thrown them away due to flaky insertion and retention problems. I now spend the extra money for real BB830s
@weirdboyjim
@weirdboyjim 3 роки тому
I've tolerated the occasional hole that needs some extra force to get the pin in, but poor connections are an absolute killer.
@midnightrizer
@midnightrizer 3 роки тому
The metal is a backplate.
@weirdboyjim
@weirdboyjim 3 роки тому
Someone else asked the manufacturer and they said "the metal plate is only for physical stability".
@midnightrizer
@midnightrizer 3 роки тому
@@weirdboyjim right it will keep the contacts from coming out the bottom. though one does not normally use the board when it is not flat on a table. btw my first boards were round holes as for elegoo you have to insert the leads at an angle. they are not as cheap as people make them out to be. if they were they would not be selling so many adruino kits on amazon. i have over 6 of the elegoo boards no issues.
@crazyboy2006cashier
@crazyboy2006cashier 3 роки тому
I purchased AZDelibery MB-102 5 pack for £9.99 - AWFUL... split rail. pinholes dont take wires properly, and pins are labelled at weird point. e.g. pin 1 not the first pin
@weirdboyjim
@weirdboyjim 3 роки тому
After the test the idea of using £2 breadboards makes my skin crawl ;-)
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