Telephone anti-theft alarm implemented by SPCE061A

This solution is applied to home burglar alarms. It can be networked with various types of wireless detectors such as burglar alarms, smoke detectors, and combustible gases to form a security defense deployment system. Receive wireless coded signals from various types of detectors, analyze them, and make corresponding alarm actions according to the situation. Use a wireless remote control to control the host for deployment, disarming, and emergency alarms, which can be carried by users. 10S of voice can be pre-recorded, and the host can play the pre-recorded voice to the caller when dialing the alarm call. Through keyboard input, 6 groups of alarm calls can be preset. When an alarm occurs, the host will analyze the type of alarm to dial different calls. Users can choose whether the host should make an on-site sound and light alarm when there is an alarm through settings.

This solution uses the SPCE061A single-chip microcomputer as the controller, and it is combined with some peripheral devices to form the minimum system of the 061A single-chip microcomputer. In addition to completing the control function of the main controller, it also completes all the voice functions in the main controller.

The telephone line interface circuit, in this solution, serves as the alarm channel of the main controller and is also the channel for user remote control, responsible for signal detection and information transmission. The DTMF encoding and decoding module is responsible for the encoding and decoding of the telephone's dual-tone multi-frequency. The keyboard and display module can be selected according to the customer's choice. The basic solution is a 4X4 keyboard and LED display. The wireless transceiver module currently uses the most common wireless transceiver module on the market. The power block is mainly an external 9VDC power supply with a built-in rechargeable battery for use during power outages. Backup interface, etc.

Among them, the keyboard and display module can be selected according to the grade of the product, and LED display or LCD display of different grades can be selected; and wireless or wired (UART, etc.) communication can be selected according to the communication method within the defense zone; the networking between defense zones can also be networked through the backup interface.