Tag Archives: System sensor

Custom Security Alarm and nRF52832 BTLE Module OEM

Custom Security Alarm and nRF52832 BTLE Module OEM Located within Shenzhen Shenzhen SUMRING Tech Co. Ltd is a high technology firm specializing in the research and development of Burglar Alarm and fire alarm system products, like Passive infrared (PIR) intrusion sensor, smoke sensor, gas leak detectors, CO alarm, fire alarm bell/strobe/siren, nRF52832 Bluetooth Smart module, […]