In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Cenlasoft wrote:

Thanks for the info, I tried the code below and it gave me a 54.6 khz square wave signal on my scope. I will tweak it to get my 53 khz square wave.

INTERRUPT NOCODE 106_000
OutPin = ~OutPin
RETURNINT

My questions are:
1. I will be sending the square wave to a tank circuit (coil and capacitor). LC tank circuits can produces high voltages and current. Should I put a resistor or diode to protect my sx28 pin?
2. Is there is any code I can use to keep the frequency stable? I am a beginner in the sxb.
3. I will be reading the voltage on the coil using a voltage divider and ADC0831 later. Any thoughts are appreciated.
Thanks,
Curtis

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