The LM35 temperature sensor and red led are powered with 5V from the Arduino board. As you can see in the sketch on the first line I included the LiquidCrystal library (header) that includes useful ...

In this case, the temperature is read by a LM35 temperature sensor ... installed a second hall effect sensor on the side of the case that resets the Arduino. Speaking of the case, it is a weather ...

given by an LM35 temperature sensor connected to Arduino Uno (LM35’s VCC to +5 V, GND to Gnd, and OUT to A0 of Arduino). See the Arduino & Processing sketch given below: ...

It reads the current temperature from a LM35 temperature sensor and actuates the valve to bring the wort to a set point. A neat addition to the build is a wireless radio. The nRF24L01 module ...