ModuleAngle Switch Sensor Module SW-460D
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Description
1 sensor can sense objects angle changes
2 working voltage: 3.3V-5V
3 output form: digital switch output (0 and 1)
4 provided with fixing bolt holes, easy to install
5 PCB size: 3.2cm * 1.4cm
Interface description (3 wire)
1 VCC external 3.3V-5V voltage (directly connect with the 5V MCU and 3.3V chip)
2 GND external GND
3 DO small digital output interface (0 and 1)
Note: AO is not valid here, without any treatment
Instructions for use
1 tilt sensor uses MEC original tilt switch SW-460D, high sensitivity, the change is usually used to detect angle
2 module in the absence of tilt or slope angle is not up to the preset threshold, DO port output high level, when the sensor tilt angle exceeds the preset threshold, module D0 output low level
3 small digital output D0 can be directly connected with the MCU, the MCU to detect changes of level, thereby to detect objects angle
4 small digital output DO can directly drive the relay module, which can form a tilt switch
Application
Tire pressure monitoring system (TPMS), a lamp, a digital photo frame rotation, rotate, flip video camera, anti-theft system
Test instructions
Wiring instructions:
Module VCC connect development board VCC
Module GND connect development board GND
Connect the VCC and GND, module power indicator exhibit of lanterns lit
The module level with the desktop, the module is the direction towards a slowly rotating, switch directions exhibit of lanterns lit, then the rotating module in the opposite direction, to return to the original state, switches exhibit of lanterns out. This phenomenon is explained, change the angle sensor can trigger module, so that the switch indicator lights.
The data attached a 51 program, used to high level detection of tilt sensor module of digital interface D0
Wiring:
Module VCC development board VCC
Module GND development board GND
Module D0 development board P0.1
Microcontroller: STC89C52
The serial port to send data baud rate: 9600
Phenomenon: the module of angle change trigger, serial send 01, at the same time switch indicator light
No angle change does not trigger module, serial data is not sent, the lamp is off
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