gsm module sim900a help

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I am working on gsm sim900a module, using serial monitor putty to check the response of gsm module, AT commands have no response. All the connection are ok using usb to serial monitor. need help in trouble shooting this problem.

Microcontroller Embedded Systems Arduino Firmware

Projekt ID: #21714418

Om projektet

11 bud Remote projekt Aktiv 4 år siden

11 freelancere byder i gennemsnit $38 timen for dette job

maxbul

I have a great experience in using of SIMx00-based devices. Also, I have made my own library for GSM communications with extended debug functions. I will need to use TeamViewer to help you. I have made more than 200 A Flere

$30 USD på 1 dag
(107 bedømmelser)
6.0
jitendracf

Hi, I have more than 8 years of experience in embedded system design and development. I have expertise in IoT products development based on WiFi,BLE,GSM,GPS,RF etc. I have designed no of products using SIM900A module. Flere

$30 USD på 1 dag
(15 bedømmelser)
5.6
harisjamal1995

Hello Sir I am a Mechatronics engineer and I have a lot of experience dealing with these things. I will definitely deliver your work on time and I will be pleased to do your project in a reasonable budget. Thank you

$15 USD på 1 dag
(13 bedømmelser)
4.4
CordWoodTech

Hello there, We have past experience in GSM module and we have build product based on SIM 800, SIM900 and SIM808 module. I understand the issue you are facing. I would like to few details about the circuit: - Circuit Flere

$50 USD på 1 dag
(16 bedømmelser)
4.8
AntonHouzich

sim900 uses USART bus. You are using a USB-RS232 adapter. Therefore, the module does not receive commands, since the RS232 inverts the USART signal. You need to add an RS232-TTL adapter. Or use any RS232 driver chip

$15 USD in 4 dage
(1 bedømmelse)
2.0
abubakarayyub01

Hello Dear Concern, We are a team of professional members of Electrical, Electronics, Mechanical, Civil, Chemical Engineering. We are also expert in following softwares: Power World Simulator(PWS), PADS, PORTEL, ,Soli Flere

$100 USD på 1 dag
(0 bedømmelser)
0.0
oscarhayt

i have work with a lot of projects with thah kind of modules, i have knowledge about all the basic configuration for this module. i can show you in a video the basic configuration and help you trough teamviewer, i can Flere

$29 USD på 1 dag
(0 bedømmelser)
0.0
autotechcontrols

I am searching good jobs I can do your project

$55 USD på 1 dag
(0 bedømmelser)
0.0
hanumandla2103

I can support you in this issue.

$45 USD på 1 dag
(0 bedømmelser)
0.0
Vaishnaviwtg

I have done many project on GPS module

$25 USD på 1 dag
(0 bedømmelser)
0.0
lasith11

I have completed Special degree of Bachelor of Technology in (B Tech)-Mechatronics .Further, I have been working as an electrical engineer from 6 years. Skills: •Programming Microcontroller in C (CCS C compiler, Ardu Flere

$20 USD in 7 dage
(0 bedømmelser)
0.0