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 MB102 https://www.amazon.co.uk/gp/product/B...
2) Elegoo MB102 https://www.amazon.co.uk/gp/product/B...
3) Sunfounder https://www.amazon.co.uk/gp/product/B...
4) ZY White https://www.ebay.co.uk/itm/1142661559...
5) ZY Clear https://www.ebay.co.uk/itm/1142661559...
6) Connfly https://www.ebay.co.uk/itm/164055638318
7) Zhong Yi MB102 https://www.ebay.co.uk/itm/140924195631
8) BPS BB830 https://www.mouser.co.uk/ProductDetai...
9) BX4112N https://www.ebay.co.uk/itm/183010286672