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Re: infra red remote control
it will be easier buying a remote control for TV and using it as transmitter. Especially RC5 coding is easy to decode. Buy a sony RC unit and use it in your receiver.
Re: can i measure AC voltage with a mcu with only resistance
without aux. ADC or built-in ADC it seems not possible. Bu as a theory, if you know the frequency of AC signal, you can make a R-2R ladder to create a DAC synchrosed with your test signal at zero-crossing. By changing amplitude of DAC...
Re: IR remote control
if you need boosting signal strength try using high frequency opamps for the emitter side. It works well. But if you want to control more then one device it should be better doing it with software.
which code do you use for IR? I can advice you RC5(standart coding of Sony remote). It is very simple. If you give details i can send you a code in C lang. and PICBASIC
Re: RS232 range
check out the maxim rs232 converters and repeaters section. if you need a really long distance communications in serial mode, try using null modems. One of theese systems designed by our company engineers, used in BTC pipeline project for the rectifier units.
Re: C coding for 89C51
ithink you are using command-line compiler. Try to find Keil IDE or use ultraedit it will be very helpfull for writing code.
i hope that is what you need.
Re: proteus too slow!
i had same problem with f877. i am using CCS pic c. when i started ending code with infinite loop [while(1)] the problem never occured again. Most of my codes never reach that infinite loop, it stays there but never used. I hope it works for you.
mide-51 project
Did you check theese sites related with 8051 and AVR?
www.8051.com
www.avrfreaks.com (better)
there are several free IDE's for software developing.
Pic c
I have downloaded pic c 8.01pl3 from htsoft and used a keygen from astalavista.box.sk but it says "compiler not installed correctly". Please Help. :(
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