70016 Parallax Inc, 70016 Datasheet - Page 188
70016
Manufacturer Part Number
70016
Description
TEXT INFRARED REMOTE FOR BOE-BOT
Manufacturer
Parallax Inc
Datasheet
1.70016.pdf
(212 pages)
Specifications of 70016
Accessory Type
Manual
Product
Microcontroller Accessories
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
Boe-Bot®
For Use With
29122 - KIT PARTS IR REMOTE FOR BOE-BOT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
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Figure B-1 IR Transmit and Receive Circuits
Developing the IR Communion Protocol
All it takes to transmit infrared with the BASIC Stamp 2 is an IR LED, a resistor, and the
FREQOUT
will transmit the 38 kHz signal in time increments of 1 ms. With this in mind,
won't work for the 2.4, 1.2, and 0.6 ms time increments required to transmit the SONY
TV protocol signals.
Since the protocol we are developing in this activity is for communication between
BASIC Stamp modules, the sensible solution is to chose pulse durations that last, 3, 2, or
1 ms and assign them as the start, binary-1 and binary-0 pulses. Also, since the BASIC
Stamp variable sizes are bit, nibble, byte and word, the number of data bits transmitted
command. The one hitch to the
See Appendix C if you want to emulate SONY remote functions with a BASIC Stamp.
Appendix C introduces a different circuit along with programming techniques you can use to
transmit 38 kHz IR signals that last fractions of milliseconds, including 2.4, 1.2, and 0.6 ms.
FREQOUT
command is that the BASIC Stamp
FREQOUT
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