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 Voice Recognition Module V3: Voice LED Control | ShillehTek
Build an Arduino voice-controlled LED using the Elechouse Voice Recognition Module V3, training custom commands for r...
Arduino R307 Fingerprint Sensor: Enroll and Match IDs | ShillehTek
Build an Arduino R307 fingerprint sensor project to enroll up to 127 templates and match IDs with confidence scores f...
Arduino PN532 NFC/RFID: Read, Write, Build Wallet | ShillehTek
Build an Arduino PN532 NFC/RFID reader-writer with a 1602 LCD, then store packed-BCD credits on a MIFARE tag for an e...
Arduino LCD2004 I2C: Hello World on 20x4 Display | ShillehTek
Build an Arduino LCD2004 20x4 I2C display that prints Hello World using only four wires, ideal for menus and sensor r...
Arduino ULN2003 Stepper: One-Revolution Control | ShillehTek
Build an Arduino-controlled 28BYJ-48 stepper motor project with a ULN2003 driver and get precise one-revolution motio...
ESP8266 WS2812 Ring: NTP-Synced NeoPixel Clock | ShillehTek
Build an ESP8266 D1 Mini clock with a 24-LED WS2812 NeoPixel ring that syncs time over NTP, giving an always-accurate...
Arduino Reed Switch: Build a Door Alarm | ShillehTek
Build an Arduino reed switch door alarm that beeps when a door opens, using a magnetic sensor and buzzer with simple ...
Arduino Rain Sensor Module: Flood Detection States | ShillehTek
Build an Arduino rain sensor module project that reads A0 and classifies Not Raining, Rain Warning, or Flood for quic...
Arduino 49E Hall Effect Sensor: Read Analog and Digital | ShillehTek
Build an Arduino 49E linear Hall sensor reader to monitor analog magnetic field strength and a digital threshold outp...
Maker Component Cabinet Resistor Kits: Find Parts Fast | ShillehTek
Build a labeled drawer component cabinet to organize 1900+ resistors, capacitors, and transistors so you find values ...
ESP32 SD Card: Local CSV Data Logging Setup | ShillehTek
Build an ESP32 SD card CSV data logger with optional DS3231 timestamps for reliable offline sensor logging when WiFi ...
Arduino Nano EM4100 RFID: EEPROM multi-card door lock | ShillehTek
Build an Arduino Nano EM4100 125 kHz RFID door lock with EEPROM multi-card access and a relay-driven electric strike ...