What’s inside a fingerprint padlock?
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Fingerprint padlock on Banggood.com: https://bit.ly/2NMJSiM Teardown of a biometric padlock. Contains a…
Soldering electronic components plus q a – vocoder
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Soldering resistors and capacitors onto a prototyping board and answering a question…
Resistor values – why 33k, 47k, 68k?
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com What's with the 33k resistor? It's value isn't a simple rounding of…
Walk the talk – kit build
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Impromptu walkie talkie kit build.
Understanding and programming the one instruction komputer
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Short introduction to understanding the architecture and memory programming technique of the…
Julian’s postbag: #121 – things you asked about
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com eBay Links: 10pcs SMT SMD Kit Lab chip Components Screw Storage Box…
Another look at the 8-bit breadboard computer
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Building and testing the 8-bit One Instruction Breadboard Computer. Lots of problems…