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Raspberry Pi, ESP32 & Arduino tutorials
470+ free tutorials covering Raspberry Pi, ESP32, Arduino, and embedded systems — written by engineers who use this hardware every day.

ESP32 INMP441: Sound-Reactive LED Matrix | ShillehTek
Turn sound into moving LED bars with an ESP32, INMP441 I2S microphone, and MAX7219 matrix. Watch the demo, then follow the wiring and com...
Read articleESP32 BME280: Live Grafana Dashboard via WebSocket | ShillehTek
Build an ESP32 BME280 WebSocket sensor that feeds Node-RED, stores data in InfluxDB, and powers a live Grafana dashboard with alerts by S...
Read articleESP32 BME280 ESP-NOW: MQTT Sensors in Home Assistant | ShillehTek
Build ESP32-C3 BME280 deep-sleep nodes using ESP-NOW, then forward readings via an ESP32 gateway to MQTT for Home Assistant with ShillehT...
Read articleESP32 AMG8833: Interpolated Thermal Heat Map on TFT | ShillehTek
Build an ESP32 + AMG8833 thermal viewer that renders a smooth interpolated heat map on an ILI9341 TFT, plus a quick OLED character-map te...
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