NRF 51822 wireless PIR sensor with Android camera
NRF51822 BLE battery voltage logger
NRF 51822 is a very low power BLE System On Chip , that allows to use as Bluetooth Low Energy peripheral connected to Passive Infrared Receiver module.
Software for NRF51822 was developed with Arduino IDE:
BleCameraNRF android application is used to start motion detection from Nrf51 module, check battery, temp and solar log.
https://github.com/joukohak/nrf51pir
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