PI 4 to Breadboard project to read temperature and display on Segment display

 Visit FXV300 for some of my PI 4 projects and their documentation.

PI 4 to Breadboard project to read temperature and display on Segment display using python to write script

Powering the Raspberry PI 4 and the breadboard using an old power supply from a DVD player.

Temperature output project using a python script which outputs the temperature to two til311 segment displays. The segment displays are located on a breadboard and the data is transferred via a shift register, the 74HC595

Raspberry PI 4 project 74HC595 with 8 LEDS 

4N35 Optocoupler Circuit.

Controlling 4N35 optocoupler using a GPIO signal