Application:<br> Internet of Things<br> Wearable devices<br> Health monitoring<br> Education<br> Color: white + black<br> Material: PCB<br> Low-Power(LP) networking<br> Rapid prototyping<br> Application 1: Smart Private Garage<br> This is a peer-to-peer WiFi communication application, since two XIAOs detect each other via Wifi, the garage door open or keep opening, and vice .<br> Improvement:<br> It is nice to add an ultrasonic distance sensor to measure the car-to-door distance andanOLED screen to check the status of the garage. If you want an onboardvoice sensor to the door to open with vocal instruction, try our XIAO BLE Sense.<br> Application 2: Remote<br> Thanks to the tiny size of the XIAO series, it is suitable to make the wearable devices, such as a small pet . This wearable device can be used as a simple GPS- which lock its current location and publish other data via LoRa.<br> Improvement:<br> A compass that shows direction and distance is a great added value to the that you could consider. Meanwhile, publishing altitude, speed, or other parameters could bring more scenarios to this . Besides, the chip ESP32-C3 allowsthis to communicate over WiFi or BLE, and therefore, upload the 's data or realize the Long Range-to-MQTT bridge as well.<br> Package Contents:<br> 1 x Development Board<br> 1 x Antenna<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.