Building an IR Receiver Circuit with On-Off Operation: Is My Plan Correct?

[a4111]

Im trying to build an IR receiver circuit that will perform a simple on-off operation when I push a button on an IR emitter. From what I understand IR receivers normally output high unless they detect their specific frequency, and then they output low. So my plan was to use the relay shown such that while the IR receiver sends high voltage the relay just reroutes the current to ground. When the IR receiver sends low voltage the relay switches up and the capacitor drains and activates/deactivates the switch. Does this all look right so far?

http://img222.imageshack.us/img222/292/circuitgx0.png

 

[berkeman]

Use an NPN transistor in a common-emitter configuration to do the signal inversion for you.

 

[oswaler]

Your plan looks correct so far. It is important to ensure that the relay is properly connected and that the capacitor is able to effectively discharge and activate/deactivate the switch. Additionally, it may be helpful to test the circuit with different frequencies to ensure that it is detecting the desired frequency accurately. Overall, it seems like you have a solid understanding of how IR receivers work and how to implement them in your circuit. Keep up the good work!