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This kit uses a commercial 14 button remote control, unit to put an active low signal onto one of 14 output pins on a decoder IC. That is, when a button is pressed the pin corresponding to that button goes low. Normally, each of the 14 output pins is high. It is up to the user to use this information in their own circuit where remote control is required. For example, to control up to 14 relays or to control the movement of a robot. We supply all the necessary extra components required for the decoder IC to function properly. No PCB is supplied. It is up to the user to breadboard their application then make their own PCB. A sample application/test circuit is provided. A 330W resistor & LED are supplied for testing the active low on a pin in response to a button press. We supply three sets of components: 1. a 14 button Infra Red Remote Control unit. It just needs you to add 2 x AAA batteries. 2. a 3-pin Infrared Receiver Module, the Waitrony PIC1018SCL, which converts the modulated 38kHz signal into data pulses. 3. an Atmel 89C2051-24PC microcontroller which we have preprogrammed to decode the IR data pulses from the remote control into one of 14 active low outputs. All required components for the microcontroller are supplied - a 12MHz ceramic resonator for the oscillator, resistor, capacitor and diode for the power-on reset circuit plus two 10K pullup resistors.
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