EngineersGarage

  • Engineers Garage Main Site
  • Visit our active EE Forums
    • EDABoard.com
    • Electro-Tech-Online
  • Projects & Tutorials
    • Circuits
    • Electronic Projects
    • Tutorials
    • Components
  • Digi-Key Store
    • Cables, Wires
    • Connectors, Interconnect
    • Discrete
    • Electromechanical
    • Embedded Computers
    • Enclosures, Hardware, Office
    • Integrated Circuits (ICs)
    • Isolators
    • LED/Optoelectronics
    • Passive
    • Power, Circuit Protection
    • Programmers
    • RF, Wireless
    • Semiconductors
    • Sensors, Transducers
    • Test Products
    • Tools
You are here: Home / Replies / i tried to send sms using

i tried to send sms using

|

Microcontroller › 8051 › GSM SIM 300 interfacing › i tried to send sms using

November 8, 2013 at 4:44 pm #10588
munlaiji moljengo
Participant

i tried to send sms using sim300 and hyperterminal from my pc.

i type AT  then enter and i got ok meaning the modem is good next,

 AT+CMGF=1

OK

AT+CMGS=234 phone number

+cms error: 321

 

what have i done wrong please advice

RSS Recent Posts

  • Help identify a part August 15, 2022
  • LM3914 Loading down the reference voltage August 15, 2022
  • Prototype for a detector August 15, 2022
  • CE Transistor Amplifier August 15, 2022
  • Drill speed controller fault August 14, 2022

Stay Up To Date

Newsletter Signup
EngineersGarage

Copyright © 2022 WTWH Media LLC. All Rights Reserved. The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of WTWH Media
Privacy Policy | Advertising | About Us

Search Engineers Garage

  • Engineers Garage Main Site
  • Visit our active EE Forums
    • EDABoard.com
    • Electro-Tech-Online
  • Projects & Tutorials
    • Circuits
    • Electronic Projects
    • Tutorials
    • Components
  • Digi-Key Store
    • Cables, Wires
    • Connectors, Interconnect
    • Discrete
    • Electromechanical
    • Embedded Computers
    • Enclosures, Hardware, Office
    • Integrated Circuits (ICs)
    • Isolators
    • LED/Optoelectronics
    • Passive
    • Power, Circuit Protection
    • Programmers
    • RF, Wireless
    • Semiconductors
    • Sensors, Transducers
    • Test Products
    • Tools