1、 Introduction to smoke detector schemeThis smoke alarm scheme uses a single chip microcomputer and MQ-2 smoke sensor as the core design of the smoke alarm, which can achieve smoke alarm, smoke solubility display, watchdog self check of the status o…
The scheme development of metal detector single chip microcomputer is based on the package model of Jiuqi single chip microcomputer NY8A062D, which is 14 pin SOP, and is developed and designed through the main control chip program; The product can qui…
Infrared alarm, infrared alarm can be divided into two categories: active and passive. The active infrared alarm uses the alarm system to send out infrared rays actively. When the infrared ray hits an obstacle, it will bounce back and be received by t…