Esp32 i2c display GitHub: P012_LCD. py This file contains bidirectional Unicode text that may be interpreted Board definitions for the Sunton Smart display boards (CYD Cheap Yellow Display). ILI9488 TFT Display with a ESP32-Wromer micro. Any advice would be Greetings, I have a new ESP32-S3-DevKitC-1 board, at least that's what I think it is (it has a tell-tale onboard addressable RGB LED on GPIO38). It includes features for drawing pixels, characters, BMP images, and XBM Connection of ESP32 board and SSD1306 OLED Display. Please help me: Print "Hello World" in display, Clear the text, Draw pixels in display, Clear these pixels, In this guide, we will learn how to Interface the RFID MFRC522 with ESP32 and how to read the RFID tags and display it on a serial window using ESP32 and Arduino IDE. It is created by DIYables to work with DIYables LCD I2C, but LiquidCrystal I2C Arduino library, with added method for rewiring SCL and SDA on ESP32 - iakop/LiquidCrystal_I2C_ESP32 This library provides functions and structures for controlling an I2C OLED display using the ESP-IDF framework. 42 inch 128X64 OLED LCD Display Module. The ESP32 supports I2C communication Learn how to use ESP32 with OLED display using MicroPython, how to write MicroPython code for ESP32 to show text, numbers, draw shapes, and display images on the OLED. The driver allows interfacing with I2C-enabled LCD screens using the ESP-IDF framework. The init sequence was The I2C, or inter-integrated circuit, is a 2-wire protocol for communicating with simple sensors and devices, which means it uses two connections, or wires, for transmitting and receiving data. nice finding about multiple display support also your i2c Now let us interface 16×2 I2C LCD Display with ESP32 Board. In detail, we will learn: How to display text on LCD I2C using Arduino Nano ESP32 board. It has 128x64 and is monochrome. ino diagram. Connect all three components following the above connections. 99 to $54. In this ESP32 LCD 20x4 I2C tutorial, we will learn how to connect an LCD 20x4 (Liquid Crystal Display) to the ESP32 board via I2C Interface. 66 inch Display 0. 2 4-Digit 7 Buy LILYGO® T-Display-S3-Pro ESP32-S3 Touch Display 2. This is a TFT Touchscreen display LCD with an ESP32 dev board. Post by stamasd » Sat Jun 08, 2019 1:13 am I was about to say, I've had this problem before with a 1602 display and it was Board index English Forum Discussion Forum ESP32 Arduino [SOLVED] I2C LCD 2004A displays gibberish. Using the I2C communication to connect all the boards and make a scalable communication between the master and the slaves. not able to control the LCD ST7567S device using I2C on ESP32 microcontroller, then this repo might help you :) In my case, I have used GM12864-59N V2 LCD device in ESP32-S3 2. 3-b-i2c_tools example is used to test the I2C socket by scanning various I2C device addresses. You just need to wire the SDA and SCL Learn to control I2C LCD with ESP32 along with pinout, wiring, finding I2C address, adjusting contrast, ESP32 code, create and display custom characters. Some say to use a software I2C bus. . Then we will connect the ESP32 to wifi network and fetch the time and date. Sign In I'm trying to work with the esp32-c6 (with ESP32 Arduino Core 3. Esp32 oled display with arduino ideEsp32 antenna 4mb spi ttgo sh1106 ipex psram packet oled Tutorial de Sep 28, 2023 · Contribute to gagagu/Mobiflight-A320-Efis-Fcu-Display-with-ESP32 development by creating an account on GitHub. Post by stamasd » Sat Jun 08, 2019 1:13 am I was about to say, I've had this problem before with a 1602 display and it was ESP32 easy I2C sniffer for OLED display. Hi, I'm trying to connect an OLED SSD 1306 screen to a ESP32 module (in particular, a ESP32-WROOM-32, from the brand AZ I have an esp32-2432s028 (AKA Cheap Yellow Display (CYD)), I'm trying to setup I2C communication between the CYD & an Arduino Nano. No installation required! ESP32-S3 2. It shows SDA Using SSD1309 OLED display with I2C with an ESP32 with the u8g2 lib - anasdtp/SSD1309-with-I2C-with-ESP32. 8-inch Display ; CrowPanel ESP32 HMI 3. The I2C pins stated above are set in default. This application is also usable with an LCD2004 module (20 columns, 4 rows), by uncommenting the LCD_NUM_ROWS, The ESP32 default I2C pins are: GPIO 22 (SCL) and GPIO 21 (SDA). Post by TomasCZ » Fri Apr 28, 2023 7:59 pm . The wiki seemed pretty ESP Terminal with 3. Display a text on the I2C LCD 1602A display with ESP32; Buzzer. These TTGO T-Display with ADS1115 (I2C problem) Post by usguribr » Sat Dec 26, 2020 8:40 pm Hello, I'm new using ESP, but I'm trying to use ADS with the T-display and I can't Run IoT and embedded projects in your browser: ESP32, STM32, Arduino, Pi Pico, and more. with a jumper for Turning on and off the Backlight of the display. begin() to reset my pins. 5 in. Post by stamasd » Sat Jun 08, 2019 1:13 am I was about to say, I've had this problem before with a 1602 display and it was Run IoT and embedded projects in your browser: ESP32, STM32, Arduino, Pi Pico, and more. This I2C LCD is a 16×2 device which means it can display 16 columns by two rows of Adding an I2C LCD display to an ESP32 microcontroller involves a few steps, including hardware connections and software configuration. edit: When you encounter a screen with a similar pinout they are lesept: I found that the I2C runs on pins 23 (SDA) and 19 (SCK) This ESP32 and OLED display example uses a lolin32 and uses. Hello, i'm trying to use 1306 OLED with a I2C bus and a BMP280 sensor with another one : This code displays messages on a 16×2 LCD screen using an I2C interface at address 0x27. Here is what olikraus wrote to me: One precondition for the second I2C interface is a proper definition of WIRE_INTERFACES_COUNT by the ESP32 I2C scanner doesn't recognize I2C OLED display . Use the following line if you’re using an ESP32 board: # ESP32 Pin assignment i2c = Optional ESP32-H2, ESP32-C6, “Meshtastic”, and nRF2401 modules. 8inch Touch Display Development Board Type B, 480×640, IPS, 32-bit LX7 Dual-core Processor, Supports WiFi & Bluetooth, ESP32 With DisplayThis product is a I have been able to communicate via I2C from a Master TTGO T7 ESP32-Wromer to and Slave Elecrow 3. Docs Sign //Import i2C LCD libraries #include <LiquidCrystal_I2C. I have improved upon that work and developed a reasonably complete LCD The I2C peripheral, once started, can handle an I2C transmission very much by itself, so theoretically it being interrupted by WiFi or anything else should not lead to issues. 3-b-i2c_tools. esp32-s3-lcd-4. 4-inch module is a powerful HMI touch screen with a 320*240 resolution LCD display. It is controlled using the I2C protocol, which allows for easy Get started with the ESP32 Cheap Yellow Display (ESP32-2432S028R). begin(I2C_SDA, I2C_SCL); Contrast knob: In the back is a blue screw to set the contrast. SDA / 21 Serial data in SCL / 22 I2C clock. 2024-10-09 . Fundamentally, there are these types of displays: Character displays like 7-Segment displays or LCD displays. But i didn't find how to use it. Status: NORMAL DISPLAY CLIMATE. No installation required! Nowhere, apparently. Hi folks, Many thanks for the great work done by @MaxSydney. 0 - Introduction. Posted on 2021-02-21 by M. Hello ! I am trying to use a LCD Display 20x04 with a DevKitV4 Learn how to interface the I2C LCD (Liquid Crystal Display) with the ESP32 and ESP8266 NodeMCU boards programmed with MicroPython. The Testing a cheap aliexpress 1. The ESP32-CAM is a 3. While power supply (on Measure the temperature with ESP32 and DHT11 sensor; I2C LCD 1602 Display. 69inch Touch LCD Display Module Sep 26, 2024 · Sdd1306 oled display: wiring and basic use with esp8266, esp32 and. I've tried a 4-bit setup with this display, but had no luck in getting it ESP32-S3 1. The ESP32 series employs either a Tensilica Xtensa LX6, Xtensa Multiple masters controlling the same slave: for example, two ESP32 boards writing data to the same I2C OLED display. This video covers how to use OLED displays (both without and with an I2C multiplexer) with your XIAO ESP32C3 board and provides the code for each scenario. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation ESP32-S3 1. This I2C LCD is a 16×2 device which means it can display 16 columns by two rows of Re: [SOLVED] I2C LCD 2004A displays gibberish. e. It may be see "Display empty on ESP32 #15" for previous discussion. 3ich oled) through i2c scanner, even i use Wire. 8″ TFT ST7735 Display with ESP32. . Sign in Product GitHub ESP32-S3 2. h> // set the LCD number of columns and rows int lcdColumns = 16; int lcdRows = 2; // set LCD address, number of columns and rows // if ESP32 Built-in OLED Board; I2C LCD Display with ESP32; BMP180 with ESP32; BME280 with ESP32; ESP32 I2C Bus Interfaces. 4-inch Display ; CrowPanel ESP32 HMI 2. For instance: I'm using Arduino IDE and I have managed to make the displays work (your classical I2C-SSD1306 The inactive display saves the display subgrid state. Mobiflight detect this and send an command "setSTD" to 6 days ago · Learn how to use 20x4 LCD I2C display with an ESP32 board, using MicroPython. Name: LCD2004. 43inch AMOLED Display Development Board, 466×466, QSPI Interface Round Display, QMI8658 6-axis IMU, TF card slot, Lithium battery header, etc. io. HOW to troubleshoot? it's I2C display driver for SSD1306 OLED displays connected to ESP8266, ESP32, Mbed-OS. We have very few IOs on ESP8266 and ESP32. 19 depending on the Hi I came across a need to develop some ESP32 based application with ssd1306 I2C display and I'm looking for a better way to refresh it other than ESP32 is a series of low cost, low power Buy LILYGO® T-Display-S3-Pro ESP32-S3 Touch Display 2. Specifically, LC709203, an I2C battery meter, display: platform: ssd1306_i2c Wiring an I2C LCD Display to an ESP8266. Navigation Menu Toggle navigation. As my project was an intercom display (M5stack Core3) mounted on We are also seeing some I2C issues on ESP32-S3, though it's in comparison with ESP32-S2. h and LiquidCrystal_PCF8574. The ESP32 supports I know the subject line is not very specific, but let me expand. Learn how to find the address of I2C devices with the ESP32 programmed using Arduino IDE. , and reserved USB, Explore comprehensive documentation for the ESP32-Based RFID Attendance System with I2C LCD Display project, including components, wiring, and code. txt Library Manager MicroPython: I2C LCD Display with ESP32/ESP8266 Learn how to interface the I2C LCD (Liquid Crystal Display) with the ESP32 and ESP8266 NodeMCU boards programmed with Connecting 1. ESP32 Development In this tutorial, we will learn how to interface I2C LCD with ESP32/ESP8266 and how to display simple text/numbers and custom characters on I2C LCD. 5inch (800×480) E-Ink Display w/ HAT for Raspberry Pi, SPI interface. This project design to mine Duino-Coin using an Esp8266/Esp32 as a master and Arduino as a slave. Start by connecting the VCC pin to the VIN on the ESP8266 and hey guys, I use Arduino and ESP32-S3-N16R8, i can't find my i2c(V53L1X & 1. If you want to use any GPIO pins for I2C, you will have to set it in code using ESP32 I2C Camera. 2 display and as I have said I cannot get the simplest of things to work using the I2c port. Using an RTC module in your projects always requires two important steps. Serial displays Although the display is labelled SDA/SCL, I would bet a stack of freshly made stroopwafels that it's not in fact an I2C interface. These Display - LCD2004 ¶. The detail instruction, code, wiring Learn: how LCD I2C works, how to connect LCD I2C to ESP32, how to program ESP32 step by step. This circuit utilizes an 0. 43inch AMOLED display which can smoothly run Hi! I'm trying to get my ESP32 C3 Super mini to work with my OLED displays but I just can't get it to work. I2C based display Jan 22, 2024 · If you have similar problams as I had, i. The CS and DC pins ESP32 Default UART Pins. You’ll learn how to wire the display to the Explore comprehensive documentation for the ESP32-Based Smart Alarm Clock with I2C LCD Display and Bluetooth Connectivity project, including components, wiring, and code. arduino esp32 u8g2 ssd1309 st7565 esp32-c3 luatos gmg12864 Display Component¶. Setting the esp32-c3-i2c-lcd. After Hardware or Software Reset, all display settings are saved. The ESP8266 default I2C pins are GPIO 5 (SLC) and GPIO 4 (SDA). Used libraries: . i2c: panel_io_i2c_tx_buffer(177): i2c transaction failed but ESP_ERROR_CHECK still outputs ESP_OK I repeat again, the display itself may or may not This MicroPython LCD I2C library is designed for any hardware platform that supports MicroPython such as Raspberry Pi Pico, ESP32, Micro:bit to work with the LCD I2C. Check out our detailed guide with programming instructions, code samples, a wiring diagram. The advantage of using an I2C LCD is that the wiring is really simple. This Run IoT and embedded projects in your browser: ESP32, STM32, Arduino, Pi Pico, and more. If you have more I have an LCD display 128x64 St7567s i2c. You can’t always trust the datasheet. The display component houses ESPHome’s powerful rendering and display engine. This circuit integrates an ESP32 Connecting 1. I In this tutorial we will learn how to use PCF8574 I2C GPIO Expander with Arduino UNO or ESP32 Watch the Video! In this Tutorial we are going to make a This repository contains a simple I2C LCD driver for ESP32 microcontrollers written in C. Explore comprehensive documentation for the ESP32-Based Ultrasonic Liquid Level Indicator with I2C LCD Display project, including components, wiring, and code. Key Components. 5-inch Display ; Optional ESP32-H2, ESP32-C6, “Meshtastic”, and nRF2401 modules. The following shows the circuit diagram of connecting I2C OLED display to ESP32-CAM module. Description¶ This plugin can E (2319) lcd_panel. Pada artikel kali ini aku ingin berbagi pengalaman ketika mencoba menggunakan LCD 16x2 I2C dengan merangkainya pada ESP32 dan memprogram menggunakan IDE I have a NodeMCU esp32-s board and I'm trying to connect My 16x2 lcd with PCF8574T I2C bus to the esp32 , the problem is that the lcd doesn't show anything and the Learn how to connect TM1637 4-digit 7-segment display to ESP32, how to program ESP32 to display information on TM1637 4-digit 7-segment display. Multiple displays on the I2C bus. Select the correct port that your ESP32 is Hi, I’m trying to run two displays off the ESP32 dev w/OLED. We will see how to configure the I 2 C Pins in ESP32, download necessary libraries for Arduino IDE, understand how This tutorial provides instructions on how to use Arduino Nano ESP32 with LCD I2C. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly Re: [SOLVED] I2C LCD 2004A displays gibberish. ESP32 and 8 OLEDs arranged in a circle. 43inch AMOLED Display Development Board, 466×466, QSPI Interface Round Display, Accelerometer And Gyroscope Sensor, With CNC Metal CaseThis product adopts This product adopts ESP32-S3R8 chip with 2. - icaroj/ESP32-OLED-Display-SSD1306- #define I2C_SDA 14 // Pin for LCD SDA #define I2C_SCL 15 // Pin for LCD SCL. 3" OLED I2C Display with Luatos ESP32 C3 Core and u8g2 library by olikraus Topics. Like I2C and SPI, these UART pins can be mapped to any GPIO pin on the ESP32. It shows SDA This is an example application for the HD4470-compatible LCD1602 device connected via an I2C backpack. i2c_oled_qtpy. Advantages of E-Paper; Ultra Low Power Consumption - E-Paper (or E-Ink) displays are ideal Small code to support I2C OLED Display driven by SSD1306 IC using ESP-IDF. 0. For this tutorial we’ll be using a 16×2 I2C LCD display, but LCDs with other sizes should also work. h enable Learn: how LCD I2C works, how to connect LCD I2C to ESP32, how to program Arduino Nano ESP32 step by step. Plugin details¶ Type: Display. With a lot of projects, having a way to display information is vital, so we will, in this article, use one Easy to use Arduino / ESP32 library for SH1106, SH1107, SSD1306 OLED I2C displays, virtual displays and carousels - mathieucarbou/MycilaEasyDisplay Espressif ESP32 Official Forum. OLED, short for Organic Light-Emitting Diode, is a popular display module. I have improved upon that work and developed a reasonably complete LCD In this section, we'll learn how to use an OLED display module with the ESP32. I can't use this module as SSD1309 with u8g2 library, but it works as SSD1306 module I can't use this module Hi all Arduino geniuses! I am using the code from original designer "Projects of Red" for the wire stripper. Wire. However, they have a default pin assignment on most board Oke kalau misal udah beres dengan urusan library, kita masuk tahap pengecekan dulu ya. It has I2C communication and is connected to the ESP32 via 3 wires: I want to use an i2c Multiplexer with the 7 segment displays to save pins on the esp32 I was following this tutorial but I am a bit confused as to how I am supposed to setup the display. 19 depending on the The I2C peripheral, once started, can handle an I2C transmission very much by itself, so theoretically it being interrupted by WiFi or anything else should not lead to issues. I would like to Re: [SOLVED] I2C LCD 2004A displays gibberish. One connection is a Most notably, this I2C display works particularly poorly with the ESP32 - it becomes glitchy within a minute if not seconds, and eventually requires a hard reset. I'll start with what works : I can scan the According to Wemos, a C3 mini has on board the RISC-V single-core CPU, i2c (1x), SPI (1x), UART serial (1x), 12 x IO pins with PWM and 4x ADC. json libraries. It will also esp32-s3-lcd-4. Combining the two does not work. + Project. The following geometries are currently supported: 128x64, 128x32, 64x48. I wish to use the Newhaven NHD_0216AW_XB3 (US2066 driver chip with I2C interface) display on an ESP32 This project demonstrates how to interface an ESP32 microcontroller with an OLED display using the I2C protocol. The sketch was successful uploaded but I can't see display on At a glance it looks like the device supports both the I2C and SPI interfaces, both of which the ESP32 supports. I first found the CrowPanel Advance ESP32 displays on Aliexpress for $25. 33-inch LCD Development Board I2C Digital Light Sensor Module WiFi Bluetooth at Aliexpress for . Step 1: The Connections. DIY smart home device based on XIAO ESP32C3 connecting DHT11 sensor and an OLED display to monitor humidity and I bought this module on aliexpress 2. ino. How to display special characters on the LCD I2C using In this tutorial, we will learn how to interface I2C LCD with ESP32 and how to display simple text/numbers on the I2C LCD using ESP-IDF. 66” Across)Operating It seems that connecting two displays to this Dev-board is not easy at all. by albert118. This is a great to build graphical Description. Onboard 1. 0rc), got around some glitches but am having some issues with I2C. Maintainer: . CrowPanel ESP32 Display 2. No installation required! ESP32_I2c_LCD. Connect the OLED Display to the ESP32-CAM: VCC to 3. This tutorial shows how to program the ESP32 using the Arduino language (C/C++) via the In this project, we will learn how to interface a PCF8574 I2C LCD with ESP32 Development Board. ESP32 I2C Bus Interfaces. Control a buzzer by the In this tutorial we are interfacing I2C LCD with ESP8266 or ESP32. It's almost certainly SPI. The ESP32/ESP8266: DHT Temperature and Humidity Readings in OLED Display; ESP32 CYD with LVGL: Digital Clock with Time and Date; How to Use I2C LCD with ESP32 The display used on the development board is an OLED of 0. ; After uploading the code, connect the I2C device Esp32 Tutorial: SSD1306 Oled Display With I2C. Hey All, Anyone been to drive a TM1637 LED display successfully with ESP32? My display and sketch work fine on In this section, we'll learn how to use an OLED display module with the ESP32. Find more 44, 200333150 Espressif ESP32 Official Forum. T ESP32 is a series of low cost, low power system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth. ino with the Arduino IDE. ESP32 I2C lib for OLED displays with SSD1306 or SH1106 Resources. Hi guys, I am new in ESP32 and Arduino and I am working on a project of a remote Hello! So I've got myself in a bit of a mess thinking I'd just use nice compact this round LCD display dev board from Waveshare in my project. 8inch Display Development Board Type B, 480×640, IPS, 32-bit LX7 Dual-core Processor, Up To 240MHz Frequency, Supports WiFi & Bluetooth, ESP32 With Display Board index English Forum Discussion Forum ESP32 Arduino [SOLVED] I2C LCD 2004A Hello ! I am trying to use a LCD Display 20x04 with a DevKitV4 Wrover-B, but I am The ESP32 default I2C pins are GPIO 22 (SCL) and GPIO 21 (SDA). Libraries:. Both code examples are given. type_I2C_HOST: The I2C host to use for the touch controller eg. Meet the Hardware. Right out of the box running the You may also like: Guide for I2C Communication with the ESP32 Working with the RTC. Skip to content. 96 inches. No installation required! Board index English Forum Discussion Forum ESP32 Arduino [SOLVED] I2C LCD 2004A displays gibberish. 3V chip and your display is probably a Run IoT and embedded projects in your browser: ESP32, STM32, Arduino, Pi Pico, and more. I'm not shure whether The ESP32 supports two raspberry-pi arduino attiny i2c esp32 atmega328p arduino-library spi arkanoid attiny85 lcd-display ssd1306 sh1106 ssd1325 ssd1331 nokia5110 ili9341 ssd1327 ssd1351 Resources Readme I2C Adapter Module: This module has a PCF8574T chip which can handle 16X2 and 20X4 displays and has an inbuilt potentiometer to adjust the contrast. The 128x64 OLED which it’s a part of the board and the 1. 5inch SPI Capacitive Touch Display ; CrowPanel ESP32 HMI 2. HAH, pengecekan apa itu, bro? Ya, kita mendeteksi dulu dong, apakah i2c LCD Connect XIAO ESP32 C3 with the DHT11 via I2C. In Tools > Board select DOIT ESP32 DEVKIT V1. Original Drivers from Adafruit and elsewhere! About. Connecting I2C LCD to ESP8266 is very easy as you only need to connect 4 pins. The TTGO T-Display is a great little dev board, incorporating an 1. Here’s a step-by-step guide to help you. 4GHz WiFi and Bluetooth BLE 5 support, integrates high-capacity Flash and PSRAM. 2 7-segment LED from Adafruit (Adafruit 1. Hardware Required: 1. 66" oled module IIC I2C Screen Size: 64x48 pixels (0. Thus a simple internet clock I am using a binary mutex for the job but the I2C command probably works like shot and forget in the ESP32 meaning if I do u8g2_SendBuffer(&u8g2); which updates the I2C Show driving an I2C OLED display using a QTPy ESP32-S3, with the display soldered directly on top Raw. Also, the graphics example program works fine. Connecting the TFT Display to an ESP32 is easy but the labelling of the pins on the display is a bit confusing. Eric Carr. 66 inch OLED LED LCD Dispaly Shield Compatible for WEMOS D1 MINI ESP32 64X48 0. Run IoT and embedded projects in your browser: ESP32, STM32, Arduino, Pi Pico, and more. 3V on the ESP32 The ESP32 has two I2C interfaces, one is localized on the pins 21-22, that would be my favorite to work with. Hello ! I am trying to use a LCD Display 20x04 with a DevKitV4 Connect your ESP32 board to your computer and open bitcoinTicker. ** Other projects where multi My problems start when using the ESP32 with the 7 inch V2. It uses the ESP32-WROOM-32 module as the main control 7. // I2C Slave - esp32-2432s028 // Tasmota SPI+I2C multi display (software mode). This project born as add-on for my intercom, and implement a retro camera for electric wheelchair. Find more 44, 200333150 All you will need is a ST7920 128X64 LCD display, a ESP32 and a 10K pot. I Feb 21, 2021 · TTGO T-Display I2C pin location. 69inch Round LCD Display Module with Touch panel, Micro LCD Display, 240×280 Resolution, IPS, SPI And I2C Communication, 262K Display Color 1. GT911_i2C_HOST: ESP32 I2C lib for OLED displays with SSD1306 or SH1106. The project uses the u8g2 library for display handling and the FreeRTOS Espressif ESP32 Official Forum. No installation required! The LDC I2C 16×2 display is a type of LCD display that can display 16 characters in each of its two rows. 8inch Display Development Board Type B, 480×640, IPS, 32-bit LX7 Dual-core Processor, Up To 240MHz Frequency, Supports WiFi & Bluetooth, ESP32 With Display Dec 13, 2017 · Individually the devices work fine and values can be displayed on the serial terminal. !!!Caution!!! Displays must be initialized every time the ESP8266/ESP32 is powered off/on. That "esp32-hal" doesn't seem to support multiple displays; notably, it will attempt to install the I2C driver for each display again which fails on the second There seems to be problem to connect I2C devices to the ESP32-CAM. fzswurafjbytrkqtswohgtqwvwxmtdalzgmiffkkrwjjhpf