Troubleshooting data transmission between Basic Stamp and Transceivers

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SUMMARY

The discussion focuses on troubleshooting data transmission between a Basic Stamp (BS2P24) and two transceivers, the AC4490-200 and CL4490. The user initially faced issues sending data from the BS2P24 to the AC4490, which then transmits wirelessly to the CL4490 connected to a PC. The solution involved adjusting the baud rate and correcting the pin connections to ensure successful data transmission. The user successfully resolved the issue after these modifications.

PREREQUISITES
  • Basic Stamp (BS2P24) programming knowledge
  • Understanding of transceiver pin configurations
  • Familiarity with baud rate settings, specifically 9600 bps
  • Experience with Aerocomm OEM software for data verification
NEXT STEPS
  • Research Basic Stamp (BS2P24) programming techniques for serial communication
  • Learn about configuring and troubleshooting AC4490-200 and CL4490 transceivers
  • Explore advanced features of Aerocomm OEM software for data monitoring
  • Investigate common baud rate issues and their resolutions in wireless communication
USEFUL FOR

Electronics hobbyists, embedded systems developers, and anyone involved in wireless communication projects using Basic Stamp and transceiver modules.

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I am working on a project that requires a Basic Stamp (BS2P24) to integrate with two transceivers (AC4490-200 and CL4490). The aim is send data from the BS2P24 to the AC4490 transceiver and then transmit wirelessly to the ground CL4490 transceiver which is connected to a PC. The AC4490 is interfaced to the BS2P24 as follows:

AC4490 pin # Name BS2P24 pin #
2 TXD 0
3 RXD 1
10, 11 VCC -
5,16 GND -


I used the Basic Stamp pins P0 and P1 to connect to transceiver pins 2 and 3 respectively. Then I used the following code to try and send data to the ground transceiver CL4490:

TXpin con 1 ' transmit pin
t9600 con $40F0 ' baud rate is 9600
temp VAR byte

Temp = “A”
SEROUT TXpin, t9600, [temp]

After running the code I was unable to verify that the data was sent to the CL440 transceiver. I’m using the Aerocomm OEM software to try and view the data. However, I’m able to send data from the AC4490 module to the CL4490 using the Aerocomm OEM software (without the Basic Stamp). Any help will be greatly appreciated. Thanks
 
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finally got it to work. just had to cahnge the baud rate and pin # to the transceiver
 

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