DIY Eight-channel wireless remote control with AT89C2051
Today, we're going to make eight-way wireless remote control by using AT89C2051. I used a pair of 315MHZ receiver for the wireless module. First let's look at the schematic.
Receiving part:
Transmitting part:
The VD8 in the pic is the reset indicating light, it will be on when you press the reset button, which means the the reset button is in good condition, if it is off means the reset button is bad. You must add resistance between p1.0 and p1.1 in AT89C2051, and here is the soldering pic:
The front side:
The back side:
Transmitting part:
Receiving part:
Because my module is broken, I can only use the line to connect the
receiving and transmitting parts. I used the teacher's module to test it
on the development board and finally succeeded. Then soldering the
board.(A roll of solder used out). Pls pay attention that you must
solder the crystal quickly, otherwise it is easy to bad, in addition,I
added a row pin Header in the receiving circuit for future expansion (
I'm so smart.)
Here is the link of part AT89C2051
Source from:Geekfans
Translated by:Utsource