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  1. rickcappels

    PIC Chip Programming

    Now if you were interested in the AVR, you could try www.avrfreaks.net All the stuff you need to get started in one place, including a forum where you can ask questions. There are also tons of stuff on the web for the PIC, but if your mind isn't made up yet, you might want to give AVR a try...
  2. rickcappels

    Direction using radio

    A fellow named Harry Lythall (one of my heros) has published the design of a system like that mentioned by hocage, on his web site. His site uses frames, so this is as specific as I can get: http://w1.859.telia.com/~u85920178/ Click on "Receiver Circuits" near the top of the...
  3. rickcappels

    IRED Distance Meter

    Yeah, its a good idea to filter the receiver, but doesnt' do any good to filter the transmitter.
  4. rickcappels

    IRED Distance Meter

    One other thing you can do is remove the filter from the IRED. Though it is an IR pass filter, it is attenuating some of the llight (even clear glass looses about 8% to reflection losses), and it serves no practical purpose, so loose the filter on the transmit side and get a little more power to...
  5. rickcappels

    Arbitrary Waveform Generator Design with microcontroller

    If you only need to update the DAC value once per second, you can use an Atmel AT90S2313 with object code I've posted on the web. These are basic interpreters that reside in single chip computers and use on-chip RAM and have connections for an RS-232 port. You can download the hex files and...
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