Specifications

HKUST NIE Social Media Lab HKUST NIE Social Media Lab
Dimensions and Weight
Dimensions: 12 x 28 x 36 mm
Weight: 11.3 g
Energy Harvesting Unit
Model name: AM-1819CA
Type: Amorphous solar cell
Dimensions: 31 x 24 mm
Datasheet: click here
Bluetooth Unit
Bluetooth chipset: nRF51822
Bluetooth version: Bluetooth Low Energy 4.0 (upgradeable to 5.0)
Transmission power: -20 to +4 dBm
Sensitivity: -90 dBm
Datasheet: click here
Computation Unit
Computation device: 32-bit ARM Cortex M0
Data rates: 250 Kbps, 1 Mbps, and 2 Mbps
Memory: 256/128 KB flash, 32/16 KB RAM
Power Management Unit
Power management chipset: S6AE103A
Datasheet: click here
Energy Storage
Model name: ML 1220
Type: Li-ion rechargeable
Capacity: 17 mAh
Dimensions (diameter): 12 mm
Datasheet: click here