Putting together a combination of hardware and software to create an electronic lock. It has it all: kubernetes, python, MQTT, redis & 3d printing!
The start of a series of articles where I'll cover building a network of sensors for my home.
Controlling 196 LEDs using 3 pins on an arduino including PWM to create hundreds of colours (well 729).
How I built a 8 key keyboard with an arduino, some conductive paint and a lot of patience.