This project is a BLE door and window sensor design that uses a U-blox BMD-330-A-R for BLE communication, a reed switch as a sensor, a multi-color LED for status display, and is powered by VBAT. There's also a programming interface and reset switch included.
#WiFi #BLE #MCU #ReferenceDesign #project #referenceDesign #simple-embedded
#ublox #template #reference-design