SOUND - BASIC Stamp Command Reference
Page 320
•
BASIC Stamp Programming Manual 2.0b
•
www.parallaxinc.com
Demo Program (SOUND.bas)
' This program generates a constant tone 25 followed by an ascending tones. Both the tones
' have the same period (duration).
'{$STAMP BS1} 'STAMP directive (specifies a BS1)
SYMBOL Tone = B0
FOR Tone = 0 TO 255
SOUND 1, (25, 10, Tone, 10)
NEXT
10
µ
F (both)
+
+
≥
40
Ω
Speaker
(or 8
Ω
in series
with 33
Ω
resistor)
from I/O pin
C1
C2
Notes:
C1 may be omitted for piezo speakers
C2 is optional, but reduces high-frequency noise
from I/O pin
Driving a Speaker
1k
0.1
µ
F
0.01
µ
F
1k
Driving an Audio Amplifier
Amplifier
(e
.g., Radio Shack
277-1008C)
Vss
Vss
Vss
Vss
Vss
Figure 5.42: Example RC filter
circuits for driving and audio
amplifier or a speaker.
1
Содержание BASIC Stamp 2e
Страница 1: ...BASIC Stamp Programming Manual Version 2 0c...
Страница 30: ...Introduction to the BASIC Stamps Page 28 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 34: ...Quick Start Guide Page 32 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 90: ...BUTTON BASIC Stamp Command Reference Page 88 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 118: ...END BASIC Stamp Command Reference Page 116 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 128: ...FREQOUT BASIC Stamp Command Reference Page 126 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 196: ...NAP BASIC Stamp Command Reference Page 194 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 206: ...OWIN BASIC Stamp Command Reference Page 204 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 214: ...OWOUT BASIC Stamp Command Reference Page 212 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 216: ...PAUSE BASIC Stamp Command Reference Page 214 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 226: ...POLLMODE BASIC Stamp Command Reference Page 224 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 232: ...POLLOUT BASIC Stamp Command Reference Page 230 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 236: ...POLLRUN BASIC Stamp Command Reference Page 234 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 240: ...POLLWAIT BASIC Stamp Command Reference Page 238 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 262: ...RCTIME BASIC Stamp Command Reference Page 260 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 274: ...RUN BASIC Stamp Command Reference Page 272 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 310: ...SEROUT BASIC Stamp Command Reference Page 308 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 324: ...STOP BASIC Stamp Command Reference Page 322 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 340: ...ASCII Chart Page 338 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 342: ...Reserved Words Page 340 BASIC Stamp Programming Manual 2 0b www parallaxinc com...
Страница 346: ...Conversion Formatters Page 344 BASIC Stamp Programming Manual 2 0b www parallaxinc com...