Raspberry Pi, ESP32 & Arduino Tutorials

Build a 3S 18650 portable 12V battery box with a balanced BMS for safer charging and reliable field power for camping, ham...

Build a USB-C PD bench power supply with a PDSink trigger board and buck converter for adjustable 1.5–19V output using any laptop...

Build an ESP32 smart light using the HLK-LD2410 mmWave presence radar to keep lights on while you sit still, with relay control...

Build a solar-powered ESP32 weather station with a BME280 sensor, deep sleep, and cloud posting for reliable off-grid monitoring using ShillehTek parts.

Build an ESP32 capacitive soil moisture smart plant monitor that waters only when dry, supports deep sleep battery life, and can send...

Build an Arduino Nano MAX6675 K-type thermocouple reader with OLED display and optional over-temp relay cutoff for safer high-temperature monitoring by ShillehTek.

Wire an Arduino Nano to a TCA9548A I2C multiplexer to run up to eight identical 0x3C OLEDs or sensors without address collisions...

Build a Raspberry Pi Pico 2W + 2.13 inch e-paper HAT Wi-Fi name badge that stays readable with near-zero idle power, using...

Build an Arduino Nano menu UI using a KY-040 rotary encoder and SSD1306 OLED for smooth scroll-and-click navigation with clean, reusable code...

Build an Arduino WS2812B LED strip that reacts to music using a KY-037 mic module, with VU meter and beat effects, using...

Build a DIY 4S 18650 lithium battery pack with a 4S BMS for balanced charging and safer power. Follow the wiring and...

Compare Arduino LoRa (RFM98/Ra-02) vs NRF24L01+ to pick the right wireless radio for range, data rate, and battery life, with ShillehTek parts.