CPU Nordic nRF52833 SOC BLE 5.0 512 Flash + 128 KB RAM Sensor LIS2DH12TR 3 axis Accelerometer Embedded FIFO 10-bit, 32-level Battery Replaceable CR2450 620 mAh Coin battery -30~85℃ Diameter 24.5mm, thickness 5mm Interface Reed switch or Tactile Switch For Reset and Wake up Antenna On board BLE Antenna Enclosure […]