Saturday 12 February 2011

27MHz TRANSMITTER - 4 CHANNEL

This circuit uses the same number of  components as the 2-Channel circuit above but  has 4 channels.   The frequency of the multivibrator is determined by the value of resistance on the base of each  transistor. 

A 4 channel receiver has been designed by  talking Electronics using a PIC12F628 micro to  detect the different frequencies. 
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1 comment:

  1. Does anyone know why most 27 mhz transmitters only have up to 4 channels?

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