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26 multiplexing projects

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Did you run out of input pins? Don't worry, here is a solution without any shift registers.

100+ Switches in a Single Pin of Arduino

Najad
19K
RTC Based Clock

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.

RTC Based Clock

shivakumarj1995
24K

Single tap, double tap, triple tap, four-tap, Hold, Single tap and hold.

Single Switch Multiple Functions

Najad
16K
Controlling 8x8 LED matrix without drivers & libraries

Complete tutorial on how to control 8x8 Matrix when you do not want to use driver chips like MAX2719 and corresponding Libraries.

Controlling 8x8 LED matrix without drivers & libraries

mdraber
21K
Connecting Multiple Sensors to One Arduino Uno Serial Port

How to connect multiple Atlas sensors to a single Arduino serial port.

Connecting Multiple Sensors to One Arduino Uno Serial Port

Atlas Scientific
82K
Multiplexing 6 I2C TCS34725 Color Sensors

Have you ever had to use sensors that use the I2C protocol, but realize that they all have the same, non-changeable address?

Multiplexing 6 I2C TCS34725 Color Sensors

Sherwin Chiu
7.0K
Controlling 7 Segment Display Using Arduino and 74HC595

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.

Controlling 7 Segment Display Using Arduino and 74HC595

Common9899
&
Akarsh Agarwal
30K
7 Segment LED display driver with Ada on STM32F4 Discovery

A simple display driver for 7 Segment LED displays of any arbitary number of digits, controlled directly using GPIOs. programmed in Ada.

7 Segment LED display driver with Ada on STM32F4 Discovery

Rudra Lad
4.4K
EV3 uses the NXT Hitechnic Touch Multiplexer

Recycle your NXT Hitechnic touch multiplexer for use with the Lego EV3

EV3 uses the NXT Hitechnic Touch Multiplexer

Tom Eilers
1.2K
74HC595 Shift Register Tutorial | Arduino with 7 segment

Understand the 74HC595 working, its application of adding infinite GPIO pins to your projects. This is pretty cool huh?

74HC595 Shift Register Tutorial | Arduino with 7 segment

Common9899
&
Akarsh Agarwal
16K

Use a multiplexer IC to break out four GPIO pins into 16 outputs. Perfect for an ATtiny project!

How to Use a Multiplexer to Expand IO

Evan Rust
12K

Actual PWM duty cycle on 7-segment LED display, driven by hardware (PL) and controlled by software (PS).

7-Segment LED Display Hardware and VHDL Module for MiniZed

Adam Szychulec
8.2K
Multiplexing 8 Different Analog Signals Into One

Everyone goes crazy for microcontrollers, but is there a way to channel my input signals into one bus? The answer is yes!

Multiplexing 8 Different Analog Signals Into One

Sherwin Chiu
5.0K
Using a Multiplexer to connect multiple Sensors

This article will explain step by step how you can connect two sensors with the same i2c address to your Arduino Uno.

Using a Multiplexer to connect multiple Sensors

Sensirion Software
1.8K
MegaMUX - 32 Channel Multiplexer Tutorial

A basic breakout for the ADG732 32 channel multiplexer and video tutorial!

MegaMUX - 32 Channel Multiplexer Tutorial

Sean Hodgins
1.6K
Arduino Programmatic Timed Reminder Alerting Framework

Framework providing multiple concurrent elapsed and real-time reminder alerting to support applications with demanding timing needs.

Arduino Programmatic Timed Reminder Alerting Framework

ronbentley1
1.6K
NodeMCU and ThingSpeak

A simple test to multiply analog pin of NodeMCU with IC 4051, then send its values to ThingSpeak

NodeMCU and ThingSpeak

Lintang Wisesa
1.2K
General Purpose Countdown Timer

A general purpose countdown timer. Easily settable for up to one hour. Great for the kitchen. Perfect 5 minute eggs!

General Purpose Countdown Timer

John Bradnam
884
I2C Bus Multiplexer

This project shows how to build a bidirectional four-channel I2C bus multiplexer circuit.

I2C Bus Multiplexer

Iryna Bilyk
878
Theremino multiplexer, a multiplier of inputs and outputs.

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.

Theremino multiplexer, a multiplier of inputs and outputs.

Leonard
842
DIY 3-Display OLED Clock with Arduino and I2C Multiplexer

The three displays are with I2C communication protocol and are controlled by a single microcontroller

DIY 3-Display OLED Clock with Arduino and I2C Multiplexer

Mirko Pavleski
598
Gradled Mini: Modular Discrete LED Display

A prototype low-cost, tileable, single-color LED matrix with low power consumption and scalable to large displays.

Gradled Mini: Modular Discrete LED Display

Nathan Petersen
587
How to Weigh Multiple Items With a Microcontroller

Weighing objects with a microprocessor is explained, including using a multiplexer to weigh multiple items.

How to Weigh Multiple Items With a Microcontroller

Andrew Shirley
506
A digital weigh scale controller for HX711 load cell modules

A 5 digit digital weighing scale controller designed to be used with commonly available HX711 modules and a load cell.

A digital weigh scale controller for HX711 load cell modules

Adrian Smith
370
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