By the way, we’ve covered a PID library for Arduino before. While this post talks about temperature, PID control is used for everything from flight control to levitation.

With all the information decoded, wires were soldered so he could hook up an Arduino, and the cut tracks repaired. Since the LCD was a multiplexed display, the bias voltages were at four levels.

Parts and tools Arduino UNO LM35 Temperature Sensor (Celsius) – datasheet Relay Module ( May refer to my previous post on how to make a relay module) A 9V battery (To supply to the coil of relay and ...

The arLCD is a smart 3.5" color touchscreen LCD Arduino combo board that brings easy-to-program, smartphone-like user interfaces to the Maker Community. Release 2.0 is endorsed by Arduino by being ...