Computer serial port temperature monitor & relay controller. Accepts up to four Dallas DS18S20 / DS18B20 digital thermometer sensors (1 included). Four ...

Uses serial port and any standard terminal comms program. 4 LED’s display the status. ZIF sockets not included. 16Vdc.   Source : Everyday Practical ...

This is a small and light weight Battery Eliminator Circuits(BEC).The heart of this project are four very low dropout linear regulator L4941.The DPAK packages ...