Go for the Gutter
What would be the harm in my participating in, say, a sing-along, so long as the group is large enough to put my voice out of their misery? And who’s to care whether my bowl of apples looks like a…
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One MHz sine wave with ATmega32A
Following picture shows ATmega32A on breadboard with Low Pass filter made up of 22uH inductor and 1nF capacitor for filtering the square wave. Also picture shows frequency counter measuring the frequency of signal from the filter output. Here Arduino Nano is used as frequency counter.
The following shows the schematic diagram of generate 1MHz sine wave.
In the schematic diagram a LC low pass filter made of up 22uH and 1nF is connected to the OC0 pin(Port B pin 3) of the ATmega32 microcontroller. The cutoff frequency of this LC LPF is 1.1MHz.
The C program code for generating this 1MHz using CTC(Clear Timer on Compare) mode with toggle is below.
The C program is very easy, we just load the OCR0 register with 1 and configure the Timer0 to use CTC mode and toggle mode.
The following video is demonstration.
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