27981 Parallax Inc, 27981 Datasheet
27981
Specifications of 27981
Related parts for 27981
27981 Summary of contents
Page 1
... MHz falls into the Ultra High Frequency (UHF) designation, which is defined as the frequencies from 300 MHz ~ 3 GHz. UHF has free-space wavelengths 100 mm (3.28 ~ 0.33 feet or 1.05e-16 ~ 1.05e-17 lightyears). ©Parallax, Inc. • 433.92 MHz RF Transmitter and Receiver (#27980, #27981) • v1.0 Web Site: www.parallax.com Forums: forums.parallax.com Sales: sales@parallax ...
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... RSSI (receiver only) Received Signal Strength Indicator. This line will supply an analog voltage that is proportional to the strength of the received signal. ©Parallax, Inc. • 433.92 MHz RF Transmitter and Receiver (#27980, #27981) • v1.0 Function Power Down - active low, pulled high internally so may be left floating Data Output Power – ...
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... CPU.pulseOut(300, CPU.pin8); (Note: this line assumes that I/O pin 8 is connected to the DATA line on the transmitter) Connection Diagrams Transmitter (#27980) ©Parallax, Inc. • 433.92 MHz RF Transmitter and Receiver (#27980, #27981) • v1.0 Sending several characters can accomplish this, however Receiver (#27981) 1/06 ...
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... Module Dimensions Transmitter (#27980) ©Parallax, Inc. • 433.92 MHz RF Transmitter and Receiver (#27980, #27981) • v1.0 Receiver (#27981) 1/06 Page ...
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... DEBUG terminal. 'This code receives at 2400 baud, inverted. SYMBOL SYMBOL Start: ©Parallax, Inc. • 433.92 MHz RF Transmitter and Receiver (#27980, #27981) • v1.0 Sample Tx Code (BS1) 'Sync pulse for the receiver 1/06 Page ...
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... LED (with proper current limiting resistor) may be connected to the 'BS2 I/O pin 0, this will blink when data is received. 'This code receives at 9600 baud, inverted. x VAR Word y VAR Word DO ©Parallax, Inc. • 433.92 MHz RF Transmitter and Receiver (#27980, #27981) • v1.0 'Sync pulse for the receiver 1/06 Page ...
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... Connect Javelin I/O pin 8 to the RF Tx module DATA line. Connect +5v (Vdd) to the RF Tx module 5v line. Connect ground (Vss) to the RF Tx module GND line. This code will transmit at 9600 baud, inverted. This code is meant to run in conjunction with RF Rx module (#27981) running code set to receive at 9600 baud. ***/ import stamp.core.*; ...
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... Connect Javelin I/O pin 7 to the RF Rx module DATA line. Connect +5v (Vdd) to the RF Rx module 5v line. Connect ground (Vss) to the RF Rx module GND line. This code will receive at 9600 baud, inverted. This code is meant to run in conjunction with RF Tx module (#27981) running code set to transmit at 9600 baud. ***/ import stamp.core.*; ...