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Elegoo EL-CP-003 3pcs MB-102 Breadboard 830 Point Solderless Prototype PCB Board Kit for Arduino Proto Shield Distribution Connecting Blocks
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- 630 tie-point ic-circuit area plus 2x100 tie-point distribution strips providing 4 power rails
- White ABS plastic body with black printed legend. Color legend on distribution strips
- With self-adhesive tape on the back, make it easy to stick on the Arduino prototype shield
- Packing in a paper box
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830 tie points total. 200 in 2 power rails, 630 in a 30 x 10 matrix
White plastic, with black legend. Colored power rails
For wires 21 to 26 AWG
2-sided peelable adhesive tape
3pcs 830 tie-points breadboard
Top customer reviews
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Why weren't my circuits working properly? Why was a 10 ohm resistor fluctuating between 1 AND 30 OHMS? Why were my I=V/R calculations not matching any multi-meter reads from the board?
Insert a component-- take a reading and remove the component. Insert the component again in the same manner, take another reading-- you will find that sometimes it is wildly different than the first.
To diagnose these problems I tried new jumper wires, different power sources, different multi-meters, different components-- lo and behold it was the boards. I bought different breadboards and my problems went away. (Side note: you might want to try more expensive non-Chinese breadboards on ebay for better quality, unfortunately not many choices out there)
Other than the contacts these boards look and feel great quality, but unfortunately they were useless in practice.
I'm taking points off though because all three breadboards are visibly warped, and the holes seem really inconsistent. Some require a lot of pressure to insert a wire, and some are so loose they don't hold on to wires very well.
Packaging and items look nice and high quality. Bright white plastic is always straight and square (unlike competitor boards with the seethrough plastic). Snap together easily in groups.
Standard 22ga wire seems too small for connections. I have been doubling up 22ga wire for power and ground to get a consistent connection. Very thin wires like standard LEDs are very inconsistent and loose. Even standard jumper wires are loose and sometimes don’t make contact.
Shorts happen. I’ve found a few lanes bleed into the next lane. This makes working with, well any project, a headache.
Bottom line.. they look nice, but are not functional. Buyer be ware.
I've often delivered customer breadboards on this type board, but this just doesn't make the grade.
BTW, I don't use short pins, either. I have 1 row and 2 row terminal strips with 0.22" and 0.3" pin lengths. The photo below shows the strips pulling out even though I've moved things to reduce tension on the leads. That's with the 0.3" length inserted
Minor annoyance, though not a deal killer, is the power rail holes don't line up with the center rows. Useable but easy to get things off by one.
I'll go back to the real thing.
Seeing the latest reviews, I decided to give them another try. This time around I was very happy. They're a nice bright white and much stiffer plastic. And all 3 breadboards were completely flat. Connection points were a bit stiff at first but everything plugged in snugly.
These have done just that, so I'm happy with them. I tested all three with my multimeter in continuity mode, and all three are fine. I haven't used them extensively so I can't comment on if every hole in the board is formed properly, but again, these have been working well for my needs.
Most recent customer reviews
The holes along the sides have a nice strong insertion and contact force with 22 ga solid hookup wire.Read more