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100K Ohm NTC 3950 Thermistor XT60 Male connector 2 BR EDR + BLE Storage 2 BR EDR + BLE Storage Slot MicroSD card (up to 4 GB supported) Onboard LED Flash High brightness white LED for low light capture GPIO Pins 9 usable GPIO pins (some shared with camera SD) UART Interface Via U0TXD (GPIO 1) and U0RXD (GPIO 3) for programming Operating Voltage 5V (via 5V pin) or 3 1 x 3D Printing Pen Pull up Resistor Value: Use a 100K Ohm fixed resistor for best accuracy around room temperature Smart Home Temperature Monitor: Pair with an ESP8266 ESP32 and MQTT to create a wireless temperature sensor node for home automation platforms like Home Assistant
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US$ 700.00
US$ 39.90