BLE enabled device to serve as price tag in market place. The benefit of the device is ability to update prices remotely and via automated scripts through the BLE interface. For long power supply option a motion activation mechanism can be enabled.
Requirements:
- BLE interface for device configuration,
- E-Ink display for data presentation,
- Motion detection,
- Power supply via CR2470
Major components:
- nRF52832
- ADXL362
- GDEW0154Z04
- TPS61220
Number of PCB layers: 4
BOM price: 25 USD
Realization time: 6 weeks
eInk Tag