Introduction: CP74HC595 Library makes programming with IC 74HC595 and above easier for beginners to use IoT to save the number of pins plugged into the circuit board. How to connect: To connect the ...
NodeMCU + ArduinoNano. 8 rows and N columns led display using SPI with 74HC594/74HC595 IC. This is a two-year-old project that combines an Arduino Nano and a NodeMCU communicating via serial to ...