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You will certainly learn something new from this video! Here I go with a new DIY breakout module, and this time I axplained how to design and use a GPIO expansion module that could be used by any microcontroller like #Arduino, Raspberry Pico, STM32, NodeMCU or any other MCU dev board as long as it has a I²C bus This MCP23017 Module board has been designed under Altium Designer and you can start a FREE TRIAL of this EDA software through this link : 🤍 ★☆★ Trusted sources ★☆★ PCB designing tool : 🤍 PCB manufacturing : 🤍 Arduino Portenta : 🤍 ★☆★ DOWNLOAD PCB GERBER FILES ★☆★ GERBER files : 🤍 ★☆★ DOWNLOAD SCHEMATICS ★☆★ Download PDF : 🤍 ★☆★ ARDUINO CODES ★☆★ ★☆★ My Video filming tools ★☆★ Main Camera Canon Rebel T7 : 🤍 Macro Camera lens : 🤍 Secondary camera Gopro Hero 8 : 🤍 LED Video lighting : 🤍 ★☆★ 💻 FOLLOW ME BELOW 💻 ★☆★ Instructables: 🤍 Hackaday : 🤍 Facebook : 🤍 Twitter : 🤍 Hackster : 🤍 TikTok : 🤍 Keywords #ArduinoProject #MCP23017 #Electronics #Maker #diy #howToDiy #HowToDesignPCB #Altium # #PCBAssembly #SMD #EasyTutorial #STEM #circuitDesign
We've really liked using the MCP23017 🤍 and MCP23008 🤍 buuuuut they're totally unavailable. Let's see if we can find some other low cost (~$1) GPIO expanders which have programmable pull-up control (once of our fav things about the MCP series!), IRQ output, and 3V or 5V functionality! See on Digi-Key at 🤍 - Visit the Adafruit shop online - 🤍 LIVE CHAT IS HERE! 🤍 Adafruit on Instagram: 🤍 Subscribe to Adafruit on YouTube: 🤍 New tutorials on the Adafruit Learning System: 🤍
Getting familiar with using the PCF8574 GPIO Expander with Arduino, including using it as outputs, inputs (polled and interrupt driven), addressing multiple devices on the same bus, and limitations on using this device. Related: I2C bus expander 🤍 For when you have multiple devices with the same address or you want to use more modules than the bus allows because you run out of addresses. This allows switching different chains of devices onto the main I2C bus. Arduino Sketch: 🤍 Support me on Patreon: 🤍
Purchase from Aliexpress. This MCP23017 is an I2C 16 line I/O Expander which is great to add I/O pins to your Arduino or PIC18F4550! ©Copyright 2022 D.C. Boyce. Cranial Sponge Productions. Please Rate - Comment - Subscribe #trending #pcboardrepair #cranialspongeproductions #mcp23017 #I/Oexpander #module
In this tutorial, I am going to talk about the PCF8574 8-bit GPIO Port Extender. It is one of the many GPIO extenders available in the market. This tiny little board becomes a life saver, When you run out of pins on your Arduino. This "GPIO (General Purpose Input Output) pin extender" provides an additional 8 pins (P0 ~ P7) which can be used to 'output a signal' or 'read a signal as an input'. These modules run on the I2C bus, and if daisy-chined you can connect upto 8 of these devices in a project. Each device will give us an additional 8-bits of GPIO enabling 64 GPIOs in total. Topics Covered - Overview of the I2C Technology ........................................ 01:57 - Closer look at the PCF8574 GPIO Extender IC and the Breakout Board .... 02:57 - GPIO Addressing ....................................................... 05:25 - Libraries To Use ...................................................... 05:48 - Connecting PCF8574 to Arduino and NodeMCU ............................. 06:32 - Finding address using I2C Scanner ..................................... 07:24 - How to program and use PCF8574 in your project ........................ 07:56 - How to use the Interrupt Pin .......................................... 09:15 - Areas of Application .................................................. 10:15 Download Links Library : 🤍 Codes : 🤍 , 🤍 I2C Scanner : 🤍 DataSheets : 🤍 Schematic : 🤍 Instructable: 🤍 #PCF8574 #GPIOExtender
High quality PCB Services 🤍 Welcome to another Voltlog, in this video we're going to take a look at an easy way of adding more GPIOs to your project because if you’ve been tinkering with electronics at some point sooner or later you’re going to need more GPIOS than what’s available from your microcontroller. →Checkout my Tindie store 🤍 →PCF8574 Datasheet 🤍 →MCP23008 Datasheet 🤍 →Evaluation Board Source [Github] 🤍 →ESP32 Tasmota Valve Controller [Tindie] 🤍 →Support the channel via Patreon, Paypal or Bitcoin 🤍 →Support the channel by clicking these links (CommissionsEarned) Aliexpress 🤍 Ebay 🤍 Amazon.com 🤍 Banggood.com 🤍 →Blog Post 🤍 #PCF8574 #MCP23008 #GPIO Luckily this problem is not new, it has been around since the introduction of digital processors so there is a very convenient solution to our problem in the form of GPIO expanders. They can come in many shapes and sizes but the key feature is that they usually take a serial input which means a low pin count for the input and they provide a number of different outputs depending on the package. So here is for example the datasheet for a very popular GPIO expander chip, this is the PCF8574, the datasheet is from NXP but this is manufactured by different companies and this is a big plus because there is a higher chance of finding these in stock. If we take a look at the block diagram we notice, there is an I2C interface, there are 3 pins for settings the address on the I2C bus, this way we could have up to 8 of these chips on the same I2C bus each with its own address, there are 8 GPIOS at our disposal and we have some bonus features like the interrupt pin which could signal to our controller when there is a state change so we don’t have to keep polling the chip, because this chip provides input and output capability. So by using just 2 pins for the I2C bus, we get 8 GPIOs in return, which is pretty neat. This particular device can drive up to 10mA per port with a max total of 80mA per package, but you can also parallel output ports together to drive more current to a single load if that is needed. So it’s pretty comparable to what you would get with a typical microcontroller. There are also variants of this chip that have a higher current drive capability up to 200mA per package and they repurpose the INT pin as an address pin which expands the total number of devices on a single bus up to 64. So you will certainly find something that suits your needs. Another popular option is the MCP23008, this has similar functionality I2C or SPI input interface, 8 GPIOs, 3 address pins so up to 8 devices on the same bus, interrupt capability, up to 125mA total per package with up to 25mA per pin. Fairly similar specs and I could be using any one of these chips for my application, the decision will probably come down to cost and availability for the particular package that I will end up using. With these two options in mind, I went ahead and designed an evaluation board in Kicad, because first of all I would like to evaluate how the firmware support is like for these chips and I also would like to confirm that there is no unexpected behavior because I will be using these to drive triacs that control some mains powered load, I want to make sure everything works as expected.
Add more GPIO pins to your Arduino project using an expansion board controlled by the I2C bus.
PCBWay Supports High Precision Advanced PCBs: 🤍 This is an ATTiny 14 pin 0-Series or 1-Series breakout pcb with on-board MCP23017 GPIO expander, I2C OLED display header, and a UPDI header for connecting to a programmer. This can be used as a basic controller with support for I2C, SPI, UART, or normal ATTiny GPIO plus 16 extra GPIO pins. Sketch/schematic: 🤍 PCBs at PCBWay.com: 🤍 UPDI Programming with an Uno: 🤍 More on the MCP23017: 🤍 Arduino megaTinyCore board file for ATTiny support: 🤍 ATTiny OLED examples from Technoblogy: 🤍 If you'd like to support the channel, you can: Support me on Patreon: 🤍 Become a channel member (click the Join button): 🤍 Shop through my affiliate links (I may earn a small commission, costs you nothing)! Banggood 🤍 Aliexpress 🤍 Amazon.com 🤍 Amazon.ca 🤍 Videos are mirrored at LBRY/Odysee: 🤍 #ElectronicsCreators
Don’t want to switch boards for more I/O? Add many many pins with an I2C port expander #adafruit #collinslabnotes Upgrade with port expanders: 🤍 Visit the Adafruit shop online - 🤍 - LIVE CHAT IS HERE! 🤍 Adafruit on Instagram: 🤍 Subscribe to Adafruit on YouTube: 🤍 New tutorials on the Adafruit Learning System: 🤍 -
Demonstration of the Marlin firmware running on a Sanguinololu using I2C con communicate with an LCD, buzzer, click encoder and LEDs. for more info check out: 🤍 Think3dPrint3d is a supplier of RepRap hardware and electronics based in Peterborough in the UK Check out blog.think3dprint3d.com for the latest news or 🤍think3dprint3d.com for our website.
Chybí Vám u Arduina pár datových pinů, ale je zbytečné přecházet větší desku? Zkuste tento I2C expandér. Celý článek najdete zde: 🤍
As we come across situations where we run out of Arduino GPIO pins because of large number of pins used by components, its great to have Port Expanders like the ones used in the video which help use multiple components with minimum number of Arduino pins. Please refer the ling below for detailed circuit diagraon : 🤍 The components being used in the video are : - Arduino Mega - 4x4 Matrix Keypad - 20x4 LCD Display - PCF8574T I2C Port Interface IO Expander (with 4x4 Matrix Keypad) - I2C LCD Backpack (along with 20x4 LCD Display) - 170 Points Mini Breadboard - Jumper wires
A demo of how the Arduino I2C expander shield works. Simply turning on and off an LED.
Использование Arduino UNO, Nano или Pro Mini в качестве I2C расширителя GPIO (не забудьте подтянуть к VCC через резисторы 4.7 кОм SDA и SCL на слейве и про конвертер уровней при использовании с ESP8266!). Поддерживаются функциональные аналоги стандартным методам работы с портами (pinMode, digitalWrite, digitalRead, analogWrite, analogRead). Через 5 сек. бездействия плата уйдет в сон, но проснется сразу же при очередном обращении. Скетч клиента I2C (для заливки в AVR): 🤍 Скетч с примером использования (пригоден для AVR и ESP8266): 🤍 Чуть усложнив протокол обмена с мастером, можно создать I2C "обертку" для специфических датчиков, требующих сложного подключения. PS: код клиента, пригодный для Mega (исправьте в .h файле константу последнего пина на используемую вашей платой) или дальнейшего расширения протокола: 🤍
In this video I show you a nice way to connect a 16-key keypad to an Arduino (or any i2C compatible microcontroller) with a smart device. The smart device is a PCF8574 I/O expander which allows us to have 8 I/O ports controlled via i2C. It is a great device because we do not need to sacrifice any of the native I/O ports of the Arduino since we use the i2C pins. With this additional module it is really simple to handle this 16-key keypad. This demo will show you how you can enter numbers, how you can delete characters and how you can pass the numbers to some numerical type variables (double, float, int...etc). Please don't forget to subscribe! Source code: 🤍 If you want to buy the same modules, tools...etc. I use, please look around on my website. These products are affiliate products, so when you buy something using my links, you are helping me and it does not cost you anything. 🤍
Link to circuit diagrams & C sketches: 🤍
In this video you will acquire knowledge on interfacing PCF8574 Port Extender IC using I2C communication with the Arduino UNO ,This is a course on programming in Arduino IDE for beginners. For learning this course for free with all the documents and necessary source code for all the lectures visit us on : 🤍smtrainingacademy.com Here is the Full playlist link for this course: Arduino Beginner Course Playlist Link: 🤍 CONTACT US ON : smtrainingacademy🤍gmail.com Advantage of learning the course on our site is you can access all the source code and documents necessary then and there and you can track your progress in the courses. visit our site ,Register for free and login to get access to lot of courses like this for free.
So lassen sich die Pins erweitern, ein kleines Modul und schon läufts ;) Mit dem PCF8574 ist das kein Problem. Wenn euch das Video gefällt, gebt einen 👍 hoch und lasst ein 🅰🅱🅾 und 💬 da. Viel Spaß beim anschauen 😊 🔵══ Welche Bibliotheken brauche ich ? PCF8574 library und zum Scannen der I2C Adresse: I2CScanner 🔵══ Sketch-Download: 🔗 🤍 🔵══ Bauteile: Module: 🔗 🤍 * Relais: 🔗 🤍 * ESP: 🔗 🤍 * WagoSet: 🔗 🤍 * LCD: 🔗 🤍 * * Als Amazon-Partner verdiene ich an qualifizierten Verkäufen 🔵══ Mein verwendetes Equipment: 📹: Iphone 12 Mini - 🤍 * 🎤: Amatage Mikrofon - 🤍 * 🎬: DaVinci Resolve 16 🔵══ Kontaktmöglichkeit 📩 bastelbruder🤍mail.de
Here is my I2C port expander based on MCP23017. More details on:🤍
Brief look at triggering the expander via the terminal in the Pi. Proof of concept ready for software developer
Let’s look at how to use the TCA9548A I2C Multiplexer (I2C Expander) to connect two OLED i2c display that share the same i2c address to an Arduino.
The PCF8574 I2C 8 Channel IO Expander. This device is found on a number of breakout boards, some like the one in the video are simple, others with additional component to support the 16 x 2 and 20 x 4 LCD displays. They are very simple to use and you can have up to eight of them in a single I2C bus. They can be used with the Arduino's or the Raspberry Pi. In this video I use one with a 16 button membrane key pad. Please Like, Subscribe and ring the notification bell to be alerted when the next video is released. It also a form of support that costs you nothing, but does help the channel a lot. If you would like to help further, please consider joining my VIP's GoLucky and Louwrens Burger and my other Patreons Lmorales45 and Ratchet in supporting the channel on Patreon. 🤍 Maybe drop into the discord server for a chat :-) 🤍 I have a number of Play-Lists that may also interest you: Fred's modified Inmoov Robot Head created in the Fred's Head Series. 🤍 Fred's Head, a better stand. (This series) 🤍 The Inmoov Walking Robot Series. 🤍 Fred's Static Leg build and attach series, now finished. 🤍 The Creality CR10S5 3D Printer Series. 🤍 The Cocoon Create Touch 3D Printer Series. 🤍 My Industrial videos. 🤍 And finally some of my unboxing videos. 🤍 See you in the next video :-).
I2C I/O Expander interface for the Philips PCF8574(A) I2C Expander
In this episode, we take a look at the MCP23017 GPIO Expander IC. With this IC, we can add 16 GPIO pins to the existing GPIO pins on an Arduino, Raspberry Pi, or any micro controller that has an i2c bus. They can be "stacked" for up to 128 additional GPIO pins! Bring on the LED's! In this video we cover: ► Physical connection of the MCP23017 to a Raspberry Pi ► Code examples for the Raspberry PI in Python ► Physical connection of the MCP23017 to an Arduino UNO ► Code examples for the Arduino As promised, all the code used in this video is on Github! 🤍 Parts that were used in this video: ● MCP23017 IC: 🤍 ● Arduino: 🤍 ● Rapsberry Pi Kit: 🤍 ● Jumper Wires: 🤍 ● Breadboard: 🤍 Now go get creative! Share what you have made with me. I can be found at ● Facebook: 🤍 ● Instagram: 🤍 ● Twitter: 🤍 ● Patreon: 🤍 If you liked this video, please consider subscribing. You can enable notifications for new videos when they are posted! See ya next time! #arduino #raspberrypi #makers
INA219 High Side DC Current Sensor Breakout - 26V ±3.2A Max - STEMMA QT (0:12) 🤍 Micro Servo with Alligator Clips (2:04) 🤍 Assembled Adafruit 0.56" 4-Digit 7-Segment Display - I2C Backpack - STEMMA QT - Blue (3:58) 🤍 Assembled Adafruit 0.56" 4-Digit 7-Segment Display - I2C Backpack - STEMMA QT - White (3:58) 🤍 OpenMV Cam H7 R1 - MicroPython Embedded Vision Machine Learning - OV7725 Image Sensor (5:30) 🤍 Black Magic Probe with JTAG Cable and Serial Cable - V2.3 (7:24) 🤍 Re-programmable USB Type-C PD to 2.1/5.5mm Barrel Jack Cable (8:39) 🤍 Adafruit PCF8575 I2C 16 GPIO Expander Breakout - STEMMA QT / Qwiic (11:55) 🤍 - New nEw NEWs New Products, News, and more: 🤍 #newnewnew Shop for all of the newest Adafruit products: 🤍 Visit the Adafruit shop online - 🤍 Adafruit on Instagram: 🤍 LIVE CHAT IS HERE! 🤍 Subscribe to Adafruit on YouTube: 🤍 New tutorials on the Adafruit Learning System: 🤍 -
Flashing few LEDs using STM32F03 microcontroller through the 16- bit I2C MCP23017 gpio expander. Source code - 🤍
Part 1 of the ESP8266 Driver implementation tutorial for PCF8575 - I2C Remote 16 bit IO Expander Board. Related Article: 🤍
I2C port expander video, more detail: 🤍 Think3dPrint3d is a supplier of RepRap hardware and electronics based in Peterborough in the UK Check out blog.think3dprint3d.com for the latest news or 🤍think3dprint3d.com for our website.
Hello guys, i'm working on something like an Audi Style signal light using an I2C expander PCF8574 with Arduino. I'll be putting this either on my helmet or jacket to sync with the motorcycle signal light and brake. This is just a prototype of the signal light. Additional circuits like led driver to drive the rgb LEDs, bluetooth or maybe RF transmitter, current sensors something like that will be constructed very soon. Watch out for more details... :)
In questo video utilizzeremo il chip PCF8574, un port expander i2c per aumentare i pin di Arduino. Il PCF8574 si collega via i2c e offre 8 pin che possono funzionare come ingressi o uscite. In qeusto esempio piloteremo le sue uscite. Video n.235 del corso Arduino in 100+ video. Sorgenti, schemi e slide: 🤍 Indice dei video: 🤍 Puoi scaricare gratuitamente i miei libri: "Il manuale di Arduino - 🤍 "Il cookbook di Arduino": 🤍 Altre informazioni e libri sul mio sito: 🤍zeppelinmaker.it I sorgenti su github: 🤍 ATTENZIONE: Per ovvi motivi di tempo non posso correggere o analizzare gli sketch che postate nei commenti o che inviate via mail. Rispondo a tutte le domande e le richieste ma "non faccio i compiti per voi". Se vi serve uno sviluppo ad hoc contattatemi in privato.
W tym materiale znajdziesz: jak przy pomocy jednego modułu dodać sobie trochę GPIO, lub podłączyć ekran LCD. Dodatkowo możesz podłączyć wiele taki układów (: 📽 Live w których pracowałem z PCF8574: 🔴 Live 3. 🤍 🔴 Live 2. 🤍 🔴 Live 1. 🤍 📽 Jak przygotować sobie środowisko z Platform IO: 🤍 📽 Ekspander PWM wraz z projektem: 🤍 👉 PCF8574 w sklepie: 🤍 👉 Moduł oparty o PCF8574 do sterowania LCD w sklepie: 🤍 💾 I2C skaner kod: 🤍 💾 I2C LCD kod i schemat: 🤍 💾 Projekt szklarni kod i schemat: 🤍 👉 Dokumentacja modułu: 🤍 ──────────────────────────────── Wesprzyj: 🤍 Discord: 🤍 Facebook: 🤍 Newsletter: 🤍 Blog: 🤍 Instagram: 🤍 GitHub: 🤍 ──────────────────────────────── #pcf8574
Позволяет получить дополнительные 16 портов ввода-вывода у Arduino или ESP8266. Имеет встроенный PWM драйвер и драйвер матричной клавиатуры. Такой на али: 🤍 Матричная клавиатура: 🤍 Документация: 🤍 Библиотека: 🤍 поддержать канал материально. 🤍
IO-Expander mit MCP23017 für den Calliope Mini. Ansteuerung und vieles mehr auf: 🤍
This video shows how to interface MCP23017 with Arduino Uno. Download Circuit Diagram from following link 🤍 Download Code from following link 🤍 Thank You
In this tutorial STM32 MCU is used to interface PCF8574 Pin Expander over I2C to control 8 LED sound level indicator using only 2 pins. Both hardware and software are explained in details. All tutorial materials are shared in the GitHub Repository Patreon Web page: 🤍 GitHub Repository: 🤍 Thingiverse Profile: 🤍
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