Simple BLE device to monitor ambient light level and the proximity of the human body. Furthermore, device monitors motion and and logs the all collected data into non-volatile memory.
Requirements:
- BLE interface for device configuration,
- BLE real time data streaming,
- Data logging into non-volatile serial flash,
- ASL and proximity sensing,
- Motion
Major components:
- nRF51822 BLE SoC
- VCNL4040M3OE
- AT45DB641
- BMA280
Number of PCB layers : 4
Realization time: 2 weeks
BOM price: 37 USD
