Raspberry Pi, ESP32 & Arduino Tutorials

Compare Arduino HX1838 vs VS1838 IR receiver modules, wire either with IRremote, and pick the best option for sunlight, range, and noisy...

Build a better Arduino temperature sensor setup by comparing thermistor, DHT, DS18B20, BME280, thermocouple, and RTD trade-offs with ShillehTek.

Build a simple Arduino Nano motion test and compare HC-SR501 PIR vs RCWL-0516 radar to choose the right sensor for reliable motion...

Compare relay modules, NPN transistors, and logic-level MOSFETs with Arduino Nano wiring examples so you choose the right switch for AC or...

Learn Arduino GPIO sinking vs sourcing current with simple LED wiring diagrams and safe current limits so you avoid burnt pins and...

Compare BBC micro:bit V2 vs Arduino UNO/Nano to choose the best education board for beginners, including built-in features, voltage, pins, and ecosystem.

Compare Arduino UNO, Raspberry Pi Pico, and BBC micro:bit in a DS18B20 freezer Ice Challenge and learn why condensation matters most, from...

Benchmark Arduino Nano vs ESP8266 vs ESP32 vs STM32F103 using the same loop test to compare real-world integer and float speed, with...

Learn how Arduino microcontrollers and Raspberry Pi Linux boards differ, when to use each (or both), and avoid GPIO voltage mistakes with...

Compare Arduino Nano readings from HC-SR04 ultrasonic vs VL53L0X ToF to choose the right distance sensor for robots, with bench-tested results from...

Compare DHT11, DHT22, BME680, and DS18B20 on an Arduino Nano to choose the best temperature sensor for humidity, VOC, or waterproof builds...

Compare Arduino UNO R3, Leonardo, UNO R4 Minima, and UNO R4 WiFi to pick the right board based on USB, I/O, power,...