To develop firmware for " LILYGO® TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board"

Hello, Deep is here from Ahmedabad. I can help you to develop firmware for ESP32-SIM800 GSM modem. I have experience working with ESP32 Firmware development using Arduino IDE as well as ESP-IDF SDK, SIM800 GPRS, SMS, Calling. Actual development cost and time depends on your requirements.

Hi I am an expert in electrical engineering and I am a professional designer. I already worked on projects like this. I am sure that I can provide you the solution that you expect. Feel free to contact me at any time to discuss your project. Best regards

Hi We have done several projects using ESP32 and Sim800L. We are also able to help you setup your server and develop mobile app if requires. Actual cost will be set after we fully understand your requirements. Feel free to contact us at anytime.

I am a Electronic Component supplier , I can supply you with Integrated Circuits, Microchips , MicroControllers, Voltage Regulators, Relays, Crystals, Mosfet, ASIC , FPGA, Transistors and other (LCD, Connectors, Heat Sink etc. ) Active and Passive Components. Components can be delivered any place in India.

Hi I have 10+ years of experience in embedded firmware engineering .I am good at •Architecting, Designing, Developing, Testing of real time embedded products •Development of complete firmware/drivers/chip architecture/chip top level design(digital side) from scratch for an ASIC •Managing teams ( development as well as QA, technical guidance cum leadership ) for any embedded product/ASIC My expertise :- Operating Systems/Schedulers:- freeRtos, Linux ,Ecos, Greenhills UVelocity VxWorks, WindowsDDK, Event Based/Message based schedulers, Micro controllers :- ARM 7TDMI , ARM Cortex -M3/M4 , ARC, 8051,STM32Fx... , Freescale MPC512x Host Interfaces :- UART, SPI, I2C, SDIO , PCI , MiniPCI , Cardbus Languages:- C, C++ Configuration tools:- Git ,CVS Environments:- RVDS ARM simulator, GCC ARM , GCC 8051(SDCC), ATmelstudio 6, ARC simulator, gcc-cygwin SDKs( boards ):- Rasberry Pi, ESP WROOM 02, STM3240G-EVAL, Atmel SAM4s , Atmel D20/21, Renesas S7G2 , Anaren(rezolt) Em-fi kit (STM32F205 MCU), Anaren FA2/FA3 cellular platform (STM32F205 MCU), Nordic NRFgo mother kit , Gainspan GS1011 , Area of Engineering :- IOT Telecom Datacom Consumer electronics Defence Electronics Let us discuss if you find my expertise suits to your requirement. To gain mutual confidence , let me work with task wise. --venu