NRF 51822 wireless PIR sensor with Android camera
NRF 51822 is a very low power BLE System On Chip , that allows to use as B luetooth Low Energy peripheral connected to Passive Infrared Receiver module. PIR module used: Schematic diagram of ble motion sensor: HW build to 3D printed case: Software for NRF51822 was developed with Arduino IDE: NRF connect android application could be used to check Bluetooth Low Energy UART services and characteristics: BleCameraNRF android application is used to start motion detection from Nrf51 module, check battery, temp and solar log. Project files can be found from github: https://github.com/joukohak/nrf51pir