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.
Complete tutorial on how to control 8x8 Matrix when you do not want to use driver chips like MAX2719 and corresponding Libraries.
How to connect multiple Atlas sensors to a single Arduino serial port.
Control a Seven Segment Display using just 3 pins of your Arduino, This technique is possible because of 74HC595 a.k.a. a shift register.
Have you ever had to use sensors that use the I2C protocol, but realize that they all have the same, non-changeable address?
A simple display driver for 7 Segment LED displays of any arbitary number of digits, controlled directly using GPIOs. programmed in Ada.
Understand the 74HC595 working, its application of adding infinite GPIO pins to your projects. This is pretty cool huh?
Use a multiplexer IC to break out four GPIO pins into 16 outputs. Perfect for an ATtiny project!
Actual PWM duty cycle on 7-segment LED display, driven by hardware (PL) and controlled by software (PS).
Everyone goes crazy for microcontrollers, but is there a way to channel my input signals into one bus? The answer is yes!
Framework providing multiple concurrent elapsed and real-time reminder alerting to support applications with demanding timing needs.
A basic breakout for the ADG732 32 channel multiplexer and video tutorial!
A simple test to multiply analog pin of NodeMCU with IC 4051, then send its values to ThingSpeak
Recycle your NXT Hitechnic touch multiplexer for use with the Lego EV3
This article will explain step by step how you can connect two sensors with the same i2c address to your Arduino Uno.
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 general purpose countdown timer. Easily settable for up to one hour. Great for the kitchen. Perfect 5 minute eggs!
This project shows how to build a bidirectional four-channel I2C bus multiplexer circuit.
A prototype low-cost, tileable, single-color LED matrix with low power consumption and scalable to large displays.
Weighing objects with a microprocessor is explained, including using a multiplexer to weigh multiple items.
A 5 digit digital weighing scale controller designed to be used with commonly available HX711 modules and a load cell.
Nowadays you have complex driver ICs and powerful libraries to display data on a LED matrix, but can you go without?