https://randomnerdtutorials.com/esp32-door-status-monitor-email/
ESP32 Door Status Monitor with Email Notifications (IFTTT) | Random Nerd Tutorials
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https://randomnerdtutorials.com/esp32-rfid-user-management-web-server/
ESP32 RFID User Management System with Web Server | Random Nerd Tutorials
Apr 7, 2025 - Build an RFID user management system with a web server that runs on an ESP32. The ESP32 board is connected to an MFRC522 RFID reader and a microSD card that...
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https://randomnerdtutorials.com/esp32-set-custom-hostname-arduino/
ESP32 Setting a Custom Hostname (Arduino IDE) | Random Nerd Tutorials
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https://randomnerdtutorials.com/esp32-http-get-post-arduino/
ESP32 HTTP GET and HTTP POST with Arduino IDE | Random Nerd Tutorials
Oct 27, 2022 - Learn how to make HTTP GET and HTTP POST Requests with the ESP32 board with Arduino IDE. How to get values, post JSON data objects, URL encoded requests, etc.
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https://randomnerdtutorials.com/esp32-bluetooth-low-energy-ble-arduino-ide/
ESP32 Bluetooth Low Energy (BLE) on Arduino IDE | Random Nerd Tutorials
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https://randomnerdtutorials.com/raspberry-pi-pico-w-whatsapp-micropython/
Raspberry Pi Pico W: Send Messages to WhatsApp (MicroPython) | Random Nerd Tutorials
Sep 10, 2024 - Send messages to WhatsApp with the Raspberry Pi Pico using a free API CallMeBot. Receive notifications from your board with sensor readings, and alert...
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https://randomnerdtutorials.com/raspberry-pi-motion-email-python/
Raspberry Pi: Motion Detection with Email Notifications (Python) | Random Nerd Tutorials
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https://randomnerdtutorials.com/getting-started-esp32-c3-super-mini/
Getting Started with the ESP32-C3 Super Mini | Random Nerd Tutorials
Oct 2, 2025 - The ESP32-C3 Super Mini is a compact development board based on the Espressif ESP32-C3 chip. Its small size and low power consumption in deep sleep mode.
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https://randomnerdtutorials.com/micropython-hc-sr04-ultrasonic-esp32-esp8266/
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Sep 3, 2021 - Learn how to use the HC-SR04 Ultrasonic Sensor with ESP32 and ESP8266 NodeMCU to get the distance to an object using MicroPython firmware. Get the distance to...
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https://randomnerdtutorials.com/telegram-control-esp32-esp8266-nodemcu-outputs/
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Sep 11, 2023 - Control ESP32 or ESP8266 NodeMCU GPIOs from anywhere using Telegram application. Send a message via Telegram to control the GPIOs and request the current state.
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https://randomnerdtutorials.com/esp32-date-time-ntp-client-server-arduino/
ESP32 NTP Client-Server: Get Date and Time (Arduino IDE) | Random Nerd Tutorials
Mar 25, 2020 - Request date and time from an NTP Server using the ESP32 with Arduino IDE. With an Internet connection, you can make data logging projects with timestamps.
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https://randomnerdtutorials.com/micropython-ws2812b-addressable-rgb-leds-neopixel-esp32-esp8266/
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Jul 30, 2020 - This tutorial shows how to control WS2812B addressable RGB LEDs (neopixels) with the ESP32 and ESP8266 using MicroPython firmware. It has schematics and code.
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https://randomnerdtutorials.com/esp32-cam-post-image-photo-server/
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https://randomnerdtutorials.com/projects-esp32/
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Sep 9, 2024 - Discover all our ESP32 Guides with easy to follow step-by-step instructions. Each tutorial includes circuit schematics, source code, images and videos.
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https://randomnerdtutorials.com/esp32-s3-devkitc-pinout-guide/
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Mar 12, 2025 - The ESP32-S3 DevKitC is a popular dev board with the ESP32-S3 chip. This chip comes with 45 pins and has a different pinout than the boards with the...
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https://randomnerdtutorials.com/getting-started-micropython-esp32-esp8266/
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https://randomnerdtutorials.com/altimeter-datalogger-esp32-bmp388/
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Jul 28, 2021 - Build an altimeter datalogger with the ESP32 and the BMP388 sensor. The BMP388 is a precise pressure sensor that allows us to estimate altitude with great...
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https://randomnerdtutorials.com/esp32-web-server-gauges/
ESP32 Web Server: Display Sensor Readings in Gauges | Random Nerd Tutorials
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https://randomnerdtutorials.com/raspberry-pi-remote-desktop-connection-rdp-mac-os/
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Feb 7, 2024 - Set up a Remote Desktop Connection with a Raspberry Pi using RDP on Mac OS computer. RDP allows you to connect your Windows PC to your Raspberry Pi and control...
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https://randomnerdtutorials.com/esp32-troubleshooting-guide/
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Jul 29, 2024 - The ESP32 has a few problems when you are trying to upload new sketches or install the ESP32 add-on. This is the ESP32 troubleshooting guide for Arduino IDE.
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https://randomnerdtutorials.com/esp8266-nodemcu-hc-sr04-ultrasonic-arduino/
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Jul 22, 2021 - Learn how to use HC-SR04 Ultrasonic Sensor with the ESP8266 NodeMCU using the Arduino core. The ultrasonic sensor uses sonar to determine the distance to an...
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https://randomnerdtutorials.com/raspberry-pi-pico-i2c-scanner-micropython/
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Jan 17, 2025 - Learn how to find the address of I2C devices with the Raspberry Pi Pico programmed using MicroPython firmware. The default I2C pins are GPIO 4 (SDA) and GPIO 5...
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ESP8266 NodeMCU HTTP GET with Arduino IDE (OpenWeatherMap.org and ThingSpeak) | Random Nerd...
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May 6, 2024 - Generate PWM signals with the Raspberry Pi Pico using MicroPython firmware. Learn how to dim the brightness of an LED by changing the duty cycle over time.
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https://randomnerdtutorials.com/esp8266-nodemcu-ds3231-real-time-clock-arduino/
ESP8266 NodeMCU: DS3231 Real Time Clock Module (RTC) | Random Nerd Tutorials
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https://randomnerdtutorials.com/esp32-cam-qr-code-reader-scanner-arduino/
ESP32-CAM QR Code Reader/Scanner (Arduino IDE) | Random Nerd Tutorials
Mar 27, 2025 - Build a QR code reader/scanner with the ESP32-CAM board programmed with Arduino IDE. The ESP32-CAM scans for new QR codes using the ESP32QRCodeReader library.
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https://randomnerdtutorials.com/esp32-web-server-websocket-sliders/
ESP32 Web Server (WebSocket) with Multiple Sliders PWM | Random Nerd Tutorials
Mar 14, 2025 - Build an ESP32 Web Server that displays a web page with multiple sliders to control the brightness of multiple LEDs using WebSocket protocol using Arduino IDE.
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https://randomnerdtutorials.com/tca9548a-i2c-multiplexer-esp32-esp8266-arduino/
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Sep 8, 2021 - Learn how to expand the I2C bus ports (ESP32, ESP8266 NodeMCU, Arduino) using TCA9458A 1-to-8 I2C Multiplexer. It controls multiple I2C devices with the same...
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https://randomnerdtutorials.com/micropython-esp32-esp-now-two-way/
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Aug 21, 2025 - Establish a two-way communication between two ESP32 boards using ESP-NOW communication protocol. Then, exchange data between boards and display the results on...
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https://randomnerdtutorials.com/getting-started-node-red-raspberry-pi/
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ESP32 DHT11/DHT22 Web Server using Arduino IDE | Random Nerd Tutorials
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https://randomnerdtutorials.com/installing-esp32-arduino-ide-2-0/
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Mar 19, 2025 - Install the ESP32 boards in Arduino IDE 2.0 and upload code to the board. This guide is compatible with Windows, Mac OS X, and Linux operating systems.
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https://randomnerdtutorials.com/esp8266-multisensor-shield-with-node-red/
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Apr 2, 2019 - In this project you’ll discover how integrate the ESP8266 Multisensor Shield for the Wemos D1 Mini board with Node-RED. The Raspberry Pi is running Node-RED.
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Arduino with Load Cell and HX711 Amplifier (Digital Scale) | Random Nerd Tutorials
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Mar 27, 2020 - Learn how to read digital inputs (like a button switch) and control digital outputs (an LED) using the ESP32 board programmed with Arduino IDE.
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https://randomnerdtutorials.com/telegram-esp32-cam-photo-arduino/
Telegram: ESP32-CAM Take and Send Photo (Arduino IDE) | Random Nerd Tutorials
Sep 19, 2023 - In this tutorial, you’ll create a Telegram bot to interact with the ESP32-CAM to request a new photo. You can request a new photo using your Telegram account...
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https://randomnerdtutorials.com/flash-upload-micropython-firmware-esp32-esp8266/
Flash/Upload MicroPython Firmware to ESP32 and ESP8266 | Random Nerd Tutorials
Jul 27, 2023 - This posts shows how to flash MicroPython firmware to ESP32/ESP8266 boards using the uPyCraft IDE software. It works on Windows, Linux, and Mac OS X.
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https://randomnerdtutorials.com/esp32-bluetooth-classic-arduino-ide/
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https://randomnerdtutorials.com/get-change-esp32-esp8266-mac-address-arduino/
Get ESP32/ESP8266 MAC Address and Change It (Arduino IDE) | Random Nerd Tutorials
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Getting Started with Home Assistant on Raspberry Pi | Random Nerd Tutorials
Apr 2, 2019 - In this post we’re going to show you how to get started with Home Assistant on Raspberry Pi board. Home Assistant is an open source home automation hub
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Node-RED: Send Messages to WhatsApp | Random Nerd Tutorials
Mar 15, 2024 - Send messages to your WhatsApp account with Node-RED. Send notifications with sensor readings, alert messages when a sensor reading is above or below a certain...
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https://randomnerdtutorials.com/projects-esp32-esp8266-micropython/
60+ MicroPython Projects, Tutorials and Guides with ESP32 / ESP8266 | Random Nerd Tutorials
Aug 5, 2024 - Discover all our MicroPython Guides for the ESP32 and ESP8266 with easy to follow step-by-step instructions. Each tutorial includes schematics and source code.
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https://randomnerdtutorials.com/raspberry-pi-pico-files-directories-micropython/
Raspberry Pi Pico: Files and Directories (MicroPython) | Random Nerd Tutorials
Dec 26, 2025 - Handle files and directories with the Raspberry Pi Pico programmed with MicroPython firmware. Learn how to create and perform operations with files and...
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https://randomnerdtutorials.com/esp8266-load-cell-hx711/
ESP8266 NodeMCU with Load Cell and HX711 Amplifier (Digital Scale) | Random Nerd Tutorials
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https://randomnerdtutorials.com/raspberry-pi-pico-w-bluetooth-low-energy-micropython/
Raspberry Pi Pico W: Bluetooth Low Energy (BLE) with MicroPython | Random Nerd Tutorials
Aug 7, 2025 - The Raspberry Pi Pico W (and 2 W) supports Bluetooth Low Energy (BLE) using MicroPython. This guides shows how to setup BLE peripheral and as a BLE central...
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https://randomnerdtutorials.com/projects-esp32-cam/
90+ ESP32-CAM Projects, Tutorials and Guides with Arduino IDE | Random Nerd Tutorials
Apr 16, 2025 - Discover all our ESP32-CAM Guides with easy to follow step-by-step instructions. Each tutorial includes circuit schematics, source code, images and videos.
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Raspberry Pi: Set Up Remote Desktop Connection (RDP) - Windows PC | Random Nerd Tutorials
Feb 7, 2024 - Set up a Remote Desktop Connection with a Raspberry Pi using RDP on a Windows PC. RDP allows you to connect your Windows PC to your Raspberry Pi and control...
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https://randomnerdtutorials.com/11-clever-uses-for-your-raspberry-pi/
11 Clever Uses for Your Raspberry Pi | Random Nerd Tutorials
Apr 2, 2019 - Raspberry Pi is a credit card-sized development board and is a perfect tool for students, artists, hobbyists and hackers.
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https://randomnerdtutorials.com/esp8266-daily-task-publish-temperature-readings-to-thingspeak/
ESP8266 Daily Task - Publish Temperature Readings to ThingSpeak | Random Nerd Tutorials
Apr 2, 2019 - In this project you’re going to learn how to build a sensor node with an ESP8266 that publishes the temperature and humidity once a day to a free service...
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https://randomnerdtutorials.com/raspberry-pi-pico-hc-sr04-arduino/
Raspberry Pi Pico: HC-SR04 Ultrasonic Sensor (Arduino) | Random Nerd Tutorials
Aug 26, 2025 - Use the HC-SR04 Ultrasonic Sensor with the Raspberry Pi Pico to get the distance to an object programmed using Arduino IDE. Wire the sensor and display the...
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https://randomnerdtutorials.com/esp8266-nodemcu-rcwl-0516-arduino/
ESP8266 NodeMCU: RCWL-0516 Microwave Radar Proximity (Arduino) | Random Nerd Tutorials
Aug 17, 2023 - Use the RCWL-0516 Microwave Radar Proximity sensor to detect motion with ESP8266 NodeMCU. Wire the sensor to the ESP8266 and write an Arduino sketch to detect...
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https://randomnerdtutorials.com/interrupts-timers-esp8266-arduino-ide-nodemcu/
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https://randomnerdtutorials.com/esp32-cam-photo-microsd-card-timestamp/
ESP32-CAM Take Photo and Save to MicroSD Card with Date and Time (timestamp) | Random Nerd Tutorials
Jun 16, 2024 - Learn how to take a picture with the ESP32-CAM and save it to the microSD card. Then, add the current date and time on the filename so each picture has a...
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https://randomnerdtutorials.com/micropython-esp32-esp8266-dht11-dht22-web-server/
MicroPython: ESP32/ESP8266 with DHT11/DHT22 Web Server | Random Nerd Tutorials
Mar 6, 2024 - In this project, you’re going to create a web server with the ESP32 or ESP8266 to display DHT11/DHT22 temperature and humidity readings with MicroPython...
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https://randomnerdtutorials.com/esp8266-nodemcu-mqtt-publish-bme280-arduino/
ESP8266 NodeMCU MQTT - Publish BME280 Sensor Readings (Arduino) | Random Nerd Tutorials
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https://randomnerdtutorials.com/raspberry-pi-pico-stepper-motor-micropython/
Raspberry Pi Pico: Stepper Motor MicroPython | Random Nerd Tutorials
May 23, 2024 - Control a stepper motor with the Raspberry Pi Pico. Use the 28BYJ-48 unipolar stepper motor with the ULN2003 motor driver. Wire it to the Raspberry Pi Pico and...
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https://randomnerdtutorials.com/raspberry-pi-pico-w-pinout-gpios/
Raspberry Pi Pico and Pico W Pinout Guide: GPIOs Explained | Random Nerd Tutorials
Jan 20, 2025 - This article goes into detail about the Raspberry Pi Pico and Pico W pinout. The Raspberry Pi Pico comes with 40 pins that can be used to connect electronic...
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https://randomnerdtutorials.com/how-to-install-mosquitto-broker-on-raspberry-pi/
Install Mosquitto Broker Raspberry Pi | Random Nerd Tutorials
Nov 27, 2025 - This tutorial shows how to install the Mosquitto Broker for MQTT communication on a Raspberry Pi board.
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https://randomnerdtutorials.com/esp32-web-server-arduino-ide/
ESP32 Web Server - Arduino IDE | Random Nerd Tutorials
May 9, 2025 - In this project you’ll create a standalone web server with an ESP32 that can toggle two LEDs using the Arduino IDE programming environment.
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https://randomnerdtutorials.com/install-mediapipe-raspberry-pi/
Install MediaPipe on a Raspberry Pi - Gesture Recognition | Random Nerd Tutorials
Mar 28, 2024 - Get started with MediaPipe Python library on a Raspberry Pi board. It covers installing MediaPipe using pip on a virtual environment and running a gesture...
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https://randomnerdtutorials.com/esp8266-nodemcu-webserial-library/
ESP8266 NodeMCU WebSerial: Web-based Remote Serial Monitor | Random Nerd Tutorials
Aug 12, 2021 - Learn how to use a web-based Serial Monitor for your ESP8266 NodeMCU projects using WebSerial library. This creates a web-based interface to print debugging...
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https://randomnerdtutorials.com/arduino-k-type-thermocouple-max6675/
Arduino: K-Type Thermocouple with MAX6675 Amplifier | Random Nerd Tutorials
Mar 18, 2022 - Read temperature using a K-Type Thermocouple with the MAX6675 amplifier with the Arduino. A K-type thermocouple is a type of temperature sensor with a wide...
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https://randomnerdtutorials.com/esp32-thingspeak-publish-arduino/
ESP32 Publish Sensor Readings to ThingSpeak (easiest way) | Random Nerd Tutorials
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Arduino - Display the LED Brightness on a LCD 16x2 | Random Nerd Tutorials
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https://randomnerdtutorials.com/esp8266-nodemcu-guides-sensors-modules/
ESP8266 NodeMCU: 25 Free Guides for Sensors and Modules | Random Nerd Tutorials
Jan 9, 2025 - There is a wide variety of sensors, modules, and peripherals compatible with the ESP8266 NodeMCU boards. This article is a compilation of 25 free guides for...
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Oct 29, 2025 - Get started with ESP32 and the T-A7670G 4G/GPS/GPRS module. Use the LILYGO TTGO T-A7670G ESP32 board that combines the ESP32 chip, the A7670G (or A7670E,...
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ESP32 Light Sleep Mode and Wake-Up Sources (Arduino IDE) | Random Nerd Tutorials
Mar 24, 2025 - Light Sleep is one of the power-saving modes supported by the ESP32. Implement timer wake-up, external wake-up, GPIO wake-up, touch wake-up, and wake-up via...
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https://randomnerdtutorials.com/esp8266-esp-now-wi-fi-web-server/
ESP8266 NodeMCU: ESP-NOW Web Server Sensor Dashboard | Random Nerd Tutorials
Mar 17, 2025 - Host an ESP8266 NodeMCU web server and use ESP-NOW protocol simultaneously. Several ESP boards send sensor readings via ESP-NOW to one ESP receiver using...
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ESP32-CAM Save Picture in Firebase Storage | Random Nerd Tutorials
Jul 2, 2025 - Take and upload a picture to Firebase Storage using the ESP32-CAM. Create a Firebase project with Storage that allows you to store your files, go to the...
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ESP8266 NodeMCU HTTP POST with Arduino IDE (ThingSpeak and IFTTT.com) | Random Nerd Tutorials
Oct 27, 2022 - Learn how to make HTTP POST requests using the ESP8266 NodeMCU board with Arduino IDE. Post JSON data or URL encoded values to different APIs - ThingSpeak and...
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ESP32 Data Logging to Firebase Realtime Database | Random Nerd Tutorials
Jul 2, 2025 - Learn how to log data with the ESP32 to the Firebase Realtime Database with timestamps (data logging) so that you have a record of your data history...
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ESP8266 NodeMCU MPU-6050 Accelerometer and Gyroscope (Arduino) | Random Nerd Tutorials
Mar 17, 2025 - Use the MPU-6050 accelerometer and gyroscope module with ESP8266 NodeMCU using Arduino IDE. The MPU-6050 IMU is a 3-axis accelerometer and gyroscope sensor.
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https://randomnerdtutorials.com/complete-guide-for-ultrasonic-sensor-hc-sr04/
Complete Guide for Ultrasonic Sensor HC-SR04 with Arduino | Random Nerd Tutorials
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https://randomnerdtutorials.com/solved-failed-to-connect-to-esp32-timed-out-waiting-for-packet-header/
[SOLVED] Failed to connect to ESP32: Timed out waiting for packet header | Random Nerd Tutorials
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https://randomnerdtutorials.com/install-opencv-raspberry-pi/
Install OpenCV on a Raspberry Pi | Random Nerd Tutorials
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https://randomnerdtutorials.com/esp32-access-point-ap-web-server/
ESP32 Access Point (AP) for Web Server | Random Nerd Tutorials
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https://randomnerdtutorials.com/arduino-control-2-dc-motors-via-bluetooth/
Arduino - Control 2 DC Motors Via Bluetooth | Random Nerd Tutorials
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https://randomnerdtutorials.com/firebase-control-esp8266-nodemcu-gpios/
Firebase: Control ESP8266 NodeMCU GPIOs from Anywhere | Random Nerd Tutorials
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https://randomnerdtutorials.com/esp8266-0-96-inch-oled-display-with-arduino-ide/
ESP8266 0.96 inch OLED Display with Arduino IDE | Random Nerd Tutorials
Jul 30, 2020 - This guide shows how to use the 0.96 inch SSD1306 OLED display with ESP8266 using Arduino IDE. Learn how to write text, set different fonts, draw shapes and...
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https://randomnerdtutorials.com/esp32-async-web-server-espasyncwebserver-library/
ESP32 Async Web Server – Control Outputs | Random Nerd Tutorials
Mar 15, 2025 - Learn how to build an asynchronous web server with the ESP32 board to control outputs remotely. Program the ESP boards with ESPAsyncWebServer and Arduino IDE.
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https://randomnerdtutorials.com/micropython-mqtt-publish-dht11-dht22-esp32-esp8266/
MicroPython: MQTT Publish DHT11/DHT22 with ESP32/ESP8266 | Random Nerd Tutorials
Sep 23, 2021 - Learn how to program the ESP32 or ESP8266 boards with MicroPython to publish DHT11 or DHT22 sensor readings (temperature and humidity) via MQTT to any platform.
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https://randomnerdtutorials.com/arduino-ethernet-web-server-with-relay/
Arduino Ethernet Web Server Relay | Random Nerd Tutorials
Apr 2, 2019 - This posts shows how to build an Arduino Ethernet Web Server that controls a Relay that is attached to a lamp. You can access your web server with any device
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https://randomnerdtutorials.com/esp32-tft-touchscreen-on-off-button-ili9341-arduino/
ESP32: TFT Touchscreen On/Off Button - 2.8 inch ILI9341 (Arduino) | Random Nerd Tutorials
Jul 30, 2024 - Build a simple graphical user interface (GUI) with the ESP32 and a TFT Touchscreen with 2.8 inch display (240×320 px) with ILI9341 driver. It will have an ON...
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https://randomnerdtutorials.com/esp32-freertos-queues-inter-task-arduino/
ESP32 FreeRTOS Queues: Inter-Task Communication (Arduino) | Random Nerd Tutorials
Nov 20, 2025 - Learn how to use FreeRTOS queues for safe and efficient communication between tasks on the ESP32, using the Arduino IDE. Queues allow you to exchange data...
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https://randomnerdtutorials.com/esp8266-deep-sleep-with-arduino-ide/
ESP8266 Deep Sleep with Arduino IDE (NodeMCU) | Random Nerd Tutorials
Nov 16, 2021 - This guide shows what’s Deep Sleep and how to use it with ESP8266 (NodeMCU) in Arduino IDE. If you use the sleep functions with the ESP8266 it will save you...
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https://randomnerdtutorials.com/esp32-ntp-timezones-daylight-saving/
ESP32 NTP Time - Setting Up Timezones and Daylight Saving Time | Random Nerd Tutorials
Nov 20, 2022 - Get the time with ESP32 for your timezone and consider daylight saving time. It will request the time from an NTP server, and be automatically adjusted for...
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https://randomnerdtutorials.com/esp8266-nodemcu-ota-elegantota-arduino/
ESP8266 NodeMCU OTA (Over-the-Air) Updates – ElegantOTA Arduino IDE | Random Nerd Tutorials
Dec 20, 2024 - How to do OTA (over-the-air) updates to your ESP8266 NodeMCU boards using the ElegantOTA library (V3 version) with Arduino IDE. Update the firmware to your...
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https://randomnerdtutorials.com/arduino-apds9960-gesture-sensor/
Arduino: APDS9960 Proximity, Light, RGB, Gesture Sensor | Random Nerd Tutorials
Jun 26, 2025 - Interface an Arduino board with the APDS9960 sensor module, which combines gesture detection, proximity sensing, and ambient RGB light measurement over I2C.
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