Every Arduino tutorial here is built and tested on real hardware — no untested copy-paste code. You’ll find sensor integrations, motor control, displays, RFID, and complete project builds, each with a wiring diagram and sketch. The boards below are the same pre-soldered Nanos and Megas used in the guides.
Shop the parts used in these tutorials
ESP32 Capacitive Soil Moisture: Smart Auto Watering | ShillehTek
Build an ESP32 capacitive soil moisture smart plant monitor that waters only when dry, supports deep sleep battery li...
Arduino LoRa vs NRF24L01+: Choose the right radio | ShillehTek
Compare Arduino LoRa (RFM98/Ra-02) vs NRF24L01+ to pick the right wireless radio for range, data rate, and battery li...
Arduino HX1838 vs VS1838: Choose the Best IR Receiver | ShillehTek
Compare Arduino HX1838 vs VS1838 IR receiver modules, wire either with IRremote, and pick the best option for sunligh...
Arduino Temperature Sensors: Choose the Right One | ShillehTek
Build a better Arduino temperature sensor setup by comparing thermistor, DHT, DS18B20, BME280, thermocouple, and RTD ...
Arduino GPIO Sinking vs Sourcing Current: Avoid Burnt Pins | ShillehTek
Learn Arduino GPIO sinking vs sourcing current with simple LED wiring diagrams and safe current limits so you avoid b...
Arduino vs Raspberry Pi GPIO: Choose the Right Board | ShillehTek
Learn how Arduino microcontrollers and Raspberry Pi Linux boards differ, when to use each (or both), and avoid GPIO v...
Arduino UNO R4 vs R3 and Leonardo: Pick the right board
Compare Arduino UNO R3, Leonardo, UNO R4 Minima, and UNO R4 WiFi to pick the right board based on USB, I/O, power, an...
ESP32 BH1750: Motorized Wi-Fi Blinds Control | ShillehTek
Build ESP32 BH1750 motorized Wi-Fi blinds control with a 28BYJ-48 stepper and ULN2003, plus optional light-based auto...
ESP32 MPU6050: Build a Wrist Sleep Tracker | ShillehTek
Build an ESP32 + MPU6050 wrist-worn sleep tracker that logs motion all night and plots deep sleep vs REM from activit...
ESP32 ADS1115: Monitor 4 Soil Sensors via Wi-Fi | ShillehTek
Build an ESP32 + ADS1115 multi-plant soil monitor that reads 4 moisture sensors and serves live Wi-Fi dashboard value...
ESP32-CAM HX711 PIR: Motion photos with seed weight | ShillehTek
Build an ESP32-CAM bird feeder that uses a PIR sensor to snap photos and an HX711 load cell to log seed weight to a W...
Arduino Nano HC-SR04 Theremin: Gesture Pitch Control | ShillehTek
Build an Arduino Nano ultrasonic theremin with an HC-SR04 sensor and KY-006 buzzer for gesture-controlled pitch in ab...