Build Guides
Step-by-step electronics projects with wiring diagrams, component lists, and ready-to-deploy code. Pick a guide and start building.
How to Build a ClawdBot Tamagotchi with ESP32
Create an ESP32 Tamagotchi-style companion bot with OLED face, buttons for feed/play/sleep, buzzer effects, and a care loop that responds to attention.
How to Build a Cosmic Critter Pet with Raspberry Pi Pico
Create a Raspberry Pi Pico virtual pet with MPU6050, OLED face, WS2812B LED ring, and buzzer. Tilting changes mood, colors, and sounds.
How to Build a Fitness Wristband Prototype with ESP32
Build an ESP32 fitness wearable prototype with MAX30102 heart-rate sensor, MPU6050 motion tracking, and OLED. Includes complete code and wiring guide.
How to Build a Gesture-Controlled Mood Lamp with ESP32
Step-by-step guide to building an ESP32 gesture-controlled mood lamp using an APDS-9960 sensor and WS2812B LED strip. Includes wiring diagram, Arduino code, and assembly instructions.
How to Build a Laser Harp Synth with ESP32
Create an ESP32 laser harp synthesizer using LDR sensors, a piezo speaker, and OLED display. Each broken beam plays a different musical note.
How to Build a Plant Disco Guardian with ESP32
Build an ESP32 plant guardian with soil moisture sensor, WS2812 LEDs, and buzzer. Alerts when dry, plays a disco celebration when watered.
How to Build a Rocket Launch Alarm Clock with ESP32
Create an ESP32 rocket-launch alarm clock with DS3231 RTC, WS2812 LEDs, and buzzer. Alarm triggers a 10-second countdown with liftoff sequence.
How to Build a Self-Balancing Rover with ESP32
Build an ESP32 self-balancing mini rover with MPU6050 IMU, OLED display, and PID control. Complete guide with wiring, code, and assembly.
How to Build an Arcade Reaction Tower with ESP32
Build an ESP32 arcade reaction game with WS2812 LED ring, arcade button, buzzer, and OLED score display. Tests reflexes with random light cues.
How to Build an ESP32 Kids Phone Prototype
Design an ESP32-based kids phone prototype with keypad, screen, speaker, and SOS button. Full wiring diagram, Arduino code, and step-by-step assembly.
How to Build an RFID Treasure Chest with ESP32
Design an ESP32 RFID treasure chest with MFRC522 reader, servo lock, buzzer, and OLED. Valid tags unlock the chest with a success tune.