12:14

Relay Calculators: Episode 5 - Hexadecimal Relay Logic

12:25

8-Bit Adder built from 152 Transistors

19:55

#1099 How I learned electronics

17:35

Building a Relay-Powered Pi Machine

17:08

Relay Calculators: Episode 3 - Relay Logic Gates, Latches and Delays

8:56

Hexadecimal Relay Calculator

15:57

This tiny computer changes EVERYTHING

14:56

Relay Calculators: Episode 8 - Using FlatCAM and a CNC mill to make PCBs