mmPi
mmPi is an addon "HAT" pcb for Raspberry Pi series boards (Zero - Pi4) which adds shutdown and On/Off/Standby power supply control. As a bonus it also provides the addition of up to 6 Analog port, RTC support and plenty of program space to write your own code routines (in Basic) which...
mmPi-Pico
I use a Raspberry Pi running EmonCms for collecting sensor data and controlling devices around the home but several things have been on my To-Do list to enhance its functionality .
A Shutdown/Power Down/Startup circuit .
Proportional fan control
UPS...
mmPi-Logger
A Raspberry Pi running EmonCms collects my sensor data and controls devices around the home and this was the primary reason for designing the mmPi to manage the shutdown and power supplies including UPS support when available.
EmonCMS is a very...