randomnerdtutorials.com

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# Random Nerd Tutorials

Learn ESP8266, ESP32, Arduino, and Raspberry Pi

## Posts

- [Blog](https://randomnerdtutorials.com/blog/)
- [ESP32 Pinout Reference: Which GPIO pins should you use?](https://randomnerdtutorials.com/esp32-pinout-reference-gpios/)
- [Arduino UNO Q: Getting Started (Features, Pinout, Examples)](https://randomnerdtutorials.com/arduino-uno-q-getting-started/)
- [ESP32: Save Wi-Fi Credentials in a Separate File (and Other Sensitive Information)](https://randomnerdtutorials.com/esp32-save-credentials-separate-file/)
- [SMART HOME with Raspberry Pi, ESP32, and ESP8266 eBook](https://randomnerdtutorials.com/smart-home-ebook/)
- [What is MQTT and How It Works](https://randomnerdtutorials.com/what-is-mqtt-and-how-it-works/)
- [ESP32 with FreeRTOS Queues: Inter-Task Communication (Arduino IDE)](https://randomnerdtutorials.com/esp32-freertos-queues-inter-task-arduino/)
- [ESP32 GPIO Interrupts with Arduino IDE](https://randomnerdtutorials.com/esp32-gpio-interrupts-arduino/)
- [Getting Started with LILYGO TTGO T-A7670G ESP32 (4G, GPRS, and GPS)](https://randomnerdtutorials.com/lilygo-ttgo-t-a7670g-a7670e-a7670sa-esp32/)
- [ESP32 with PIR Motion Sensor using Interrupts and Timers (Arduino IDE)](https://randomnerdtutorials.com/esp32-pir-motion-sensor-interrupts-timers/)
- [ESP-IDF: ESP32 GPIO - Read Digital Inputs](https://randomnerdtutorials.com/esp-idf-esp32-gpio-inputs/)
- [Raspberry Pi Pico with Interrupts: External and Timer Interrupts (MicroPython)](https://randomnerdtutorials.com/raspberry-pi-pico-interrupts-micropython/)
- [BLE Communication between Raspberry Pi and Raspberry Pi Pico W](https://randomnerdtutorials.com/ble-raspberry-pi-and-pi-pico-w/)
- [Getting Started with Thonny MicroPython (Python) IDE for ESP32 and ESP8266](https://randomnerdtutorials.com/getting-started-thonny-micropython-python-ide-esp32-esp8266/)
- [ESP32 with FreeRTOS (Arduino IDE) - Getting Started: Create Tasks](https://randomnerdtutorials.com/esp32-freertos-arduino-tasks/)
- [ESP32 with FreeRTOS: Getting Started with Semaphores (Arduino IDE)](https://randomnerdtutorials.com/esp32-freertos-semaphores-arduino/)
- [Getting Started with the ESP32-C3 Super Mini](https://randomnerdtutorials.com/getting-started-esp32-c3-super-mini/)
- [ESP-IDF: Create Template ESP32 Project using VS Code](https://randomnerdtutorials.com/esp-idf-template-project-vs-code/)
- [MicroPython: ESP-NOW with ESP32—Receive Data from Multiple Boards (many-to-one)](https://randomnerdtutorials.com/micropython-esp-now-esp32-many-to-one/)
- [ESP-IDF: ESP32 GPIO PWM with LEDC (Control LED Brightness)](https://randomnerdtutorials.com/esp-idf-esp32-gpio-pwm-ledc/)

## Pages

- [Home](https://randomnerdtutorials.com/)
- [Welcome to the RNT Insider Area](https://randomnerdtutorials.com/insider/)
- [Random Nerd Tutorials Courses and eBooks](https://randomnerdtutorials.com/courses/)
- [60+ ESP32-CAM Projects, Tutorials and Guides with Arduino IDE](https://randomnerdtutorials.com/projects-esp32-cam/)
- [Download Our Free eBooks and Resources](https://randomnerdtutorials.com/download/)
- [Hi, Welcome to Random Nerd Tutorials!](https://randomnerdtutorials.com/about/)
- [250+ ESP32 Projects, Tutorials and Guides with Arduino IDE](https://randomnerdtutorials.com/projects-esp32/)
- [60+ Arduino Projects, Tutorials and Guides](https://randomnerdtutorials.com/projects-arduino/)
- [30+ Raspberry Pi Projects, Tutorials and Guides](https://randomnerdtutorials.com/projects-raspberry-pi/)
- [40+ MicroPython Projects, Tutorials and Guides with ESP32 / ESP8266](https://randomnerdtutorials.com/projects-esp32-esp8266-micropython/)
- [200+ ESP8266 NodeMCU Projects, Tutorials and Guides with Arduino IDE](https://randomnerdtutorials.com/projects-esp8266/)
- [Raspberry Pi Pico and Pico W Projects, Tutorials and Guides](https://randomnerdtutorials.com/projects-raspberry-pi-pico/)
- [Flash Sale - Expired](https://randomnerdtutorials.com/flash-sale/)
- [Terms and Conditions](https://randomnerdtutorials.com/terms/)
- [Contact](https://randomnerdtutorials.com/contact/)
- [Privacy Policy](https://randomnerdtutorials.com/privacy-policy/)
- [Returns and Refunds Policy](https://randomnerdtutorials.com/returns-and-refunds/)
- [Arduino Mini Course Access](https://randomnerdtutorials.com/arduino-mini-course-access/)
- [Sign Up For Free Arduino Mini Course](https://randomnerdtutorials.com/arduino-mini-course/)
- [Almost There](https://randomnerdtutorials.com/almost-there/)

## Categories

- [Uncategorized](https://randomnerdtutorials.com/category/uncategorized/)
- [Arduino](https://randomnerdtutorials.com/category/arduino/)
- [Circuits](https://randomnerdtutorials.com/category/circuits/)
- [Nerd News](https://randomnerdtutorials.com/category/nerd-news/)
- [Reviews](https://randomnerdtutorials.com/category/reviews/)
- [Theory and Blog](https://randomnerdtutorials.com/category/arduino/a-theory-and-blog/)
- [Theory and Blog](https://randomnerdtutorials.com/category/circuits/c-theory-and-blog/)
- [Tools](https://randomnerdtutorials.com/category/tools/)
- [Tutorials](https://randomnerdtutorials.com/category/arduino/a-tutorials/)
- [Tutorials](https://randomnerdtutorials.com/category/circuits/c-tutorials/)
- [Theory](https://randomnerdtutorials.com/category/electronics-theory/)
- [Raspberry Pi](https://randomnerdtutorials.com/category/raspberry-pi/)
- [Theory and Blog](https://randomnerdtutorials.com/category/raspberry-pi/r-theory-and-blog/)
- [Tutorials](https://randomnerdtutorials.com/category/raspberry-pi/r-tutorials/)
- [Updates](https://randomnerdtutorials.com/category/updates/)
- [Random Articles](https://randomnerdtutorials.com/category/random-articles/)
- [Teensy](https://randomnerdtutorials.com/category/teensy/)
- [Tutorials](https://randomnerdtutorials.com/category/teensy/t-tutorials/)
- [Home Automation Server](https://randomnerdtutorials.com/category/home-automation-server/)
- [Tutorials](https://randomnerdtutorials.com/category/home-automation-server/h-tutorials/)

## Tags

- [200$](https://randomnerdtutorials.com/tag/200/)
- [4 digit 7 segment display](https://randomnerdtutorials.com/tag/4-digit-7-segment-display/)
- [7 segment display](https://randomnerdtutorials.com/tag/7-segment-display/)
- [7 segment display truth table](https://randomnerdtutorials.com/tag/7-segment-display-truth-table/)
- [74HC595](https://randomnerdtutorials.com/tag/74hc595/)
- [8 bit Shift register](https://randomnerdtutorials.com/tag/8-bit-shift-register/)
- [android](https://randomnerdtutorials.com/tag/android/)
- [arduino features](https://randomnerdtutorials.com/tag/arduino-features/)
- [arduino led cube tutorial](https://randomnerdtutorials.com/tag/arduino-led-cube-tutorial/)
- [arduino shields](https://randomnerdtutorials.com/tag/arduino-shields/)
- [arduino tutorial](https://randomnerdtutorials.com/tag/arduino-tutorial/)
- [arduino video tutorial](https://randomnerdtutorials.com/tag/arduino-video-tutorial/)
- [arduino with smartphone](https://randomnerdtutorials.com/tag/arduino-with-smartphone/)
- [automatic wire cutter](https://randomnerdtutorials.com/tag/automatic-wire-cutter/)
- [awesome](https://randomnerdtutorials.com/tag/awesome/)
- [basic](https://randomnerdtutorials.com/tag/basic/)
- [beginner](https://randomnerdtutorials.com/tag/beginner/)
- [Blueterm app](https://randomnerdtutorials.com/tag/blueterm-app/)
- [bluetooth](https://randomnerdtutorials.com/tag/bluetooth/)
- [bluetooth module](https://randomnerdtutorials.com/tag/bluetooth-module/)

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