Raspberry Pi, ESP32 & Arduino Tutorials

Build an ESP32 WebSocket dashboard that streams KY-018 and DHT11 sensor readings to a live browser chart twice per second, self-hosted with...

Build an Arduino Nano self-balancing robot using the MPU6050 and L298N, with a complementary filter and PID loop for stable two-wheel balancing...

Build an Arduino Nano DS3231 binary LED clock with 12 LEDs for hours, minutes, and a seconds heartbeat, plus battery-backed timekeeping from...

Build an Arduino Uno 16x2 I2C LCD demo with custom characters, a smooth 80-step progress bar, and a walking animation using HD44780...

Build an Arduino Nano LED pendulum metronome with an SSD1306 I2C OLED BPM display, a potentiometer tempo knob, and a buzzer accent...

Build a two-button Breakout game on an Arduino Nano with a WS2812 8x8 LED matrix, lives, sound, and a reusable FastLED game...

Build an Arduino Nano auto-ranging ohmmeter using five reference resistors and an LCD1602 to measure 10Ω to 5MΩ accurately across ranges with...

Build an Arduino Nano 18650 capacity tester using a relay and power resistor to log real mAh and mWh with LCD cutoff...

Build an ESP8266 D1 Mini + I2C LCD YouTube subscriber counter that pulls live channel stats from the YouTube Data API, shown...

Build an ESP32 SSD1306 OLED crypto price ticker that pulls live CoinGecko JSON over HTTPS, cycles multiple coins, and auto-refreshes every minute...

Build an ESP32 ST7789 TFT weather station that pulls live conditions and a 5-day forecast from OpenWeatherMap, refreshing every 10 minutes with...

Build an Arduino Uno DHT11 thermostat that ramps a DC fan with PWM, shows live readings on an I2C LCD, and avoids...