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Simple Remote Control (ATTINY213)

2015-01-09 08:57  
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This article describes the Simple Remote Control (ATTINY213). The content is very simple, very helpful. Components in this article can help you understand better understanding of this article. For example, in this article, you can go to find and buy these components:ATTINY213. 

This circuit was working well, all that was left was to
add an ATTINY2313, a battery, and some buttons. The Princeton
Technology decoders, such as the PT2272, have an amazing tolerance for
data rates – about plus or minus 50%. The ATTINY213 is clocked by its
internal RC oscillator, and given the wide tolerance of the decoder, I
didn’t bother to calibrate the oscillator. The five input pins are
configured as inputs with internal pull up resistors and the pin change
interrupt, set to interrupt when the pin makes a high to low
transition, is enabled for each input.

I am not sure this is a really good idea,? but instead of using a
large
capacitor across
the micro controller’s power and ground pins, the controller shares the
little 680
pf decoupling capacitor with the transmitter.
simple Remote control ATTINY
firmware : asmfile, compiled hex, pcb

source : http://cappels.org