Can anyone help me design a circuit diagram? PWM,555timer,PIR sensor,dc motor and gears? - simple pir sensor circuit diagram
Function is the program for this device to body heat with RIP sensor.the problem to recognize is that you only simple circuit, without any programming effort
Thursday, February 18, 2010
Simple Pir Sensor Circuit Diagram Can Anyone Help Me Design A Circuit Diagram? PWM,555timer,PIR Sensor,dc Motor And Gears?
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2 comments:
These help links:
555 Circuits:
http://www.discovercircuits.com/M/modula ...
Infrared circuits:
http://www.discovercircuits.com/I/infrar ...
Motor / Motor Controls:
http://www.discovercircuits.com/H/hbridg ...
http://www.discovercircuits.com/M/mosfet ...
http://www.discovercircuits.com/M/motor- ...
Transmission:
http://www.drgears.com/
https: / / sdp-si.com/eStore /
(You can always reduce the RPMs with PWM with a constant torque, without the mechanical gear - 555, but not enough to do it and get 100% duty cycle with a simple circuit - the circuit 555 is very complex - but use as a SG3524 PWM IC, 3525.3526, are used UC3842. is the best idea, ifI microcontroller 8051, the Core series Cygnal F300 cheap - - but the design is very simple)
Check out these sites for alternative models:
http://home.att.net/ ~ wzmicro/prod01.htm
http://www.cygnal.com
Lot schematics are in the application notes from National Semiconductor Application Notes are available. Or you can go into Google and IC application notes, 555 and get all the channels of the manufacturer and application notes.
PWM 555 is available.You May need to add a driver and a DC motor. If you have a small DC motor, 555, but it can better manage to add a buffer transistor driver.
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