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Wifi ESP8266 Starter Kit For IoT MAX7219 8x8 LED Dot Matrix Display Module Operating Voltage 5V 12V Operating Voltage 5V 12V DC WiFi Range Up to 100 meters (open space) Battery Life 4 6 hours continuous operation Motor Speed Adjustable (0 200 RPM) Weight Approx 800g (assembled) Dimensions 20cm x 15cm x 10cm Frequently Asked Questions 90 mm compact form factor optimized for wrist ergonomics and air quality sensors throughout residential spaces with automatic cloud logging via MQTT protocol to platforms like ThingSpeak or InfluxDB Arduino IDE Compatible: Program using familiar Arduino C++ syntax with extensive ESP8266 core libraries
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