hi everyone, first off, i'm new to arduino so, hello arduinoites. just got a kit from hk and have recently been playing with it, and loving it. made a binary led counter, with variable counting speed (via potentiometer), also got the LCD working, to display the output from an analog in, and also built a basic EM detector with a bar graph of LEDs.
now i'm looking for some thing to do with the IR emitter and the IR detector that came with the kit. so far i have just managed to make an IR detector, with a piezzo buzzer (which doesn't actually use the computational power of the arduino at all, and in fact requires no code, just 5v) what i would like to make is a IR proximity sensor (as i also have an emitter), or ideally a tape measure, or 'range finder'.
it seems however that all the info i can find on this uses an actual rangefinder ir sensor (a three pin affair in a small black rectangular box), rather than just a separate emitter and sensor. so, i was hoping someone might suggestions for building a rangefinder without an integrated unit.
thanks for all and any replies.