Did you run out of input pins? Don't worry, here is a solution without any shift registers.
A cool digital clock which sports the 7 segment display. With its bright red display will make sure you like to keep an eye at the time.
Single tap, double tap, triple tap, four-tap, Hold, Single tap and hold.
How to connect multiple Atlas sensors to a single Arduino serial port.
Use a multiplexer IC to break out four GPIO pins into 16 outputs. Perfect for an ATtiny project!
Everyone goes crazy for microcontrollers, but is there a way to channel my input signals into one bus? The answer is yes!
Actual PWM duty cycle on 7-segment LED display, driven by hardware (PL) and controlled by software (PS).
A simple test to multiply analog pin of NodeMCU with IC 4051, then send its values to ThingSpeak
A basic breakout for the ADG732 32 channel multiplexer and video tutorial!
Theremino Multiplexer is a switch with 8 I/O, that accepts analog and digital signals of any voltage from 0-5 Volts for Theremino Master.
A prototype low-cost, tileable, single-color LED matrix with low power consumption and scalable to large displays.
Recycle your NXT Hitechnic touch multiplexer for use with the Lego EV3