Air Purifier

A simple adjustable speed air purifier using 8 PC fans and a HEPA air filter.

RGB LED Sign / Message Board

A RGB LED message board using WS2812B intelligent LEDs. Complete with details on creating a full Flowcode simulation.

SPI to 4 x UART bridge

A small board designed to allow one embedded SPI bus connection to interact with up to four buffered embedded UART bus connections.

Air Purifier

A simple adjustable speed air purifier using 8 PC fans and a HEPA air filter.

Hydrogen Cooker and Water Purifier

Details on how to create an electrolysis chamber to create hydrogen and oxygen gas. Complete with a design for a burner to heat a pan and create pure water.