How to connect multiple multiplexer (CD74HC4067 16 ... - Arduino …
Jan 23, 2025 · Adafruit TCA9548A 1-to-8 I2C Multiplexer Breakout You just found the perfect I2C sensor, and you want to wire up two or three or more of them to your Arduino when you realize "Uh …
How to use a multiplexer to read in voltages accuratlely - Arduino Forum
Oct 11, 2022 · Hey everyone, so I am using a cd74hc4067 multiplexer with a Arduino uno to try and read in different voltages and different control pins. Right now i have been trying to see if i can get a …
Multiplexing reading and writing to pins - Arduino Forum
Jul 20, 2014 · You attach the mux's pins s0, s1 and s2 to 3 Arduino digital pins, and the mux's output pin z to the Arduino analog pin of choice. Then you set the s0, s1 and s2 pins high and low to make a …
How to use multiplexor 74HC4067 with Arduino mega 2560
Jan 4, 2021 · I have been working off of examples on the internet on how to use the multiplexor, however I cannot find any tutorials on how to control LEDs with a demux on the Arduino Mega.
4X4 Keypad with multiplexer - Programming - Arduino Forum
Jan 17, 2025 · I´m actually making a MIDI controller with an arduino micro. I´d like to connect a 4x4 keypad to send MIDI notes. My idea is to connect the keypad trough a 16 channel multiplexer …
programing and wiring 2 Multiplexer / demultiplexer with arduino
May 9, 2011 · how the physical cable to the card (ie if the 2 multiplexer and demultiplexer are on the same digital inputs?) how to manage these two groups in programming thank you to you! to help me …
Using the CD74HC4067 multiplexer with push buttons - Arduino Forum
Feb 13, 2020 · Hello, Im trying to use the CD74HC4067 multiplexer with push buttons. My goal is simple, to connect push buttons to the CD74HC4067 and have it print each channels state, if the …
Issues With Multiplexing 16 to 1 - Arduino Forum
Aug 15, 2022 · Interfacing CD74HC4067 16-Channel Multiplexer with Arduino- Electropeak Learn How to interface a CD74HC4067 16-Channel Multiplexer with Arduino. using CD74HC4067 Multiplexer …
Trouble ESP32 wroom with Vl53L0x and multiplexer PCA9548A
Nov 7, 2024 · Hi, I'm trying to carry out the project of using an esp32 dev kit that communicates with the PCA9548A multiplexer via I2C and can read 2 VL53L0x sensors ( same addrees 0x29). I have found …
How can I connect an 8x8 matrix of LDR sensors to Arduino?
Jun 20, 2018 · Hello everyone, I need to know how can I connect 64 LDR (8 rows x 8 columns) to an Arduino Uno. I've searched a bit and I've found the analog multiplexer 74HC4067, which has 16 …