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 OLED DHT: Build an Internet-Synced Clock
Build an ESP32 internet clock with an SSD1306 OLED and DHT temperature/humidity sensor for always-correct NTP time and a useful desk display...
Arduino Nano 4x4 Keypad LCD: Build a Calculator
Build an Arduino Nano calculator with a 4x4 keypad and a 16x2 LCD, showing expressions and results with safe input handling, using...
Arduino HC-SR04 Servo: Touchless Pump Dispenser Build
Build an Arduino touchless sanitizer dispenser using an HC-SR04 distance sensor and a servo for one-pump-per-hand control, with parts from ShillehTek.
ESP32 Bluetooth Serial: Control an LED or Relay
Build an ESP32 Bluetooth Serial (SPP) command interface to control an LED or relay from your Android phone, with two-way status feedback...
ESP32-C6 DHT11 + OLED: Centered Temp Logger Display
Build an ESP32-C6 DHT11 temperature logger with an SSD1306 OLED for centered, readable humidity and temperature data, using parts from ShillehTek.
Pro Micro 4x4 Matrix Keypad: USB Macro Pad Build
Build a Pro Micro + 4x4 matrix keypad USB macro pad with 16 programmable hotkeys for OBS and workflows, using simple wiring...
ESP8266 Solid State Relay: Build a UDP Smart Plug
Build an ESP8266 NodeMCU 4-channel solid state relay smart plug and toggle AC outlets silently over WiFi using simple UDP commands, with...
ESP32 2.9-inch E-Paper: Flash-Free Partial Refresh
Build an ESP32 + 2.9 inch e-paper display with GxEPD2 partial refresh for fast, flash-free updates, ideal for clocks and dashboards, from...
Arduino PZEM-004T: Fast AC Power and kWh Readings
Build an Arduino PZEM-004T AC energy monitor to stream voltage, current, power, frequency, power factor, and kWh fast over serial using ShillehTek...
ESP32 GC9A01: Build a Stereo Retro VU Meter
Build an ESP32 GC9A01 stereo retro VU meter with two round TFT dials, envelope follower input, and peak LEDs for smooth analog-style...
Arduino SX1278 LoRa: Build 433MHz Point-to-Point Link
Build a 433MHz Arduino SX1278 (Ra-02) LoRa point-to-point link that transmits packets and displays messages plus RSSI on an SSD1306 OLED with...
Teensy 4.0 GUVA-S12SD: Rechargeable UV Index Meter
Build a Teensy 4.0 GUVA-S12SD rechargeable UV index meter with an ST7789 color LCD, battery gauge, and USB charging using parts from...