Development of smoke alarm scheme

Smoke alarm, also known as fire smoke alarm, smoke sensor, smoke sensor, etc. It is powered by the bus, and multiple can be connected on the bus to form an alarm system through networking and communication with the fire alarm controller. There is no sound on the scene during alarm, and the host has audible and visual prompt. This kind of smoke alarm device is generally called smoke detector. Smoke detectors with address codes and without address codes.

PCB structure description of electric toothbrush

1. The PCB structure diagram is fully compatible with the male mold shell in the market, and the PCB structure can also be customized according to customer requirements.

2. Use 9V alkaline battery for 1 year.

3. The main control MCU is sop8 encapsulated, with long standby time and low power consumption. It uses 9V alkaline battery and has a life of up to 1 year.