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
Arduino MAX30102 vs MAX30100: Choose the best sensor
Compare MAX30100 vs MAX30102 pulse oximeter modules for Arduino wearables, focusing on ADC, FIFO, and libraries so you choose confidently with ShillehTek.
Arduino TM1637, SSD1306, E-Paper: Pick a Display
Compare TM1637, SSD1306 OLED, and 2.13-inch e-paper to pick the right Arduino display based on power, refresh rate, readability, and code complexity...
ESP32 LVGL Display: Touchscreen Smart Switch UI
Build an ESP32 LVGL touchscreen smart switch UI with relay control, a DHT22 temperature gauge, and MQTT updates for Home Assistant using...
ESP32 HLK-LD2410: Smart light with presence sensing
Build an ESP32 smart light using the HLK-LD2410 mmWave presence radar to keep lights on while you sit still, with relay control...
ESP32 Capacitive Soil Moisture: Smart Auto Watering
Build an ESP32 capacitive soil moisture smart plant monitor that waters only when dry, supports deep sleep battery life, and can send...
Arduino LoRa vs NRF24L01+: Choose the right radio
Compare Arduino LoRa (RFM98/Ra-02) vs NRF24L01+ to pick the right wireless radio for range, data rate, and battery life, with ShillehTek parts.
Arduino HX1838 vs VS1838: Choose the Best IR Receiver
Compare Arduino HX1838 vs VS1838 IR receiver modules, wire either with IRremote, and pick the best option for sunlight, range, and noisy...
Arduino Temperature Sensors: Choose the Right One
Build a better Arduino temperature sensor setup by comparing thermistor, DHT, DS18B20, BME280, thermocouple, and RTD trade-offs with ShillehTek.
Arduino GPIO Sinking vs Sourcing Current: Avoid Burnt Pins
Learn Arduino GPIO sinking vs sourcing current with simple LED wiring diagrams and safe current limits so you avoid burnt pins and...
Arduino vs Raspberry Pi GPIO: Choose the Right Board
Learn how Arduino microcontrollers and Raspberry Pi Linux boards differ, when to use each (or both), and avoid GPIO voltage mistakes with...
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,...
ESP32 BH1750: Motorized Wi-Fi Blinds Control
Build ESP32 BH1750 motorized Wi-Fi blinds control with a 28BYJ-48 stepper and ULN2003, plus optional light-based automation, using ShillehTek parts.