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BASIC Stamp II
FREQOUT
Output a sine-wave(s) for some time.
usage:
FREQOUT pin,milliseconds,freq1{,freq2}
Pin will be temporarily placed in output mode for modulation.
Milliseconds specifies how long to output the frequency(s).
Freq1 specifies the (first) frequency in 1Hz units (0-32768 Hz).
Freq2 is optional and specifies a second frequency.
The pin may be filtered by an RC circuit to achieve a clean sine-wave.
High-impedance speakers may be driven with a coupling cap and a
filter cap (see below).
BASIC Stamp II Manual 0.94 • Parallax, Inc. • (916) 624-8333 • Page 35
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