TTGO T-Call – development board with ESP32, GPRS module SIM800L and USB-C

News2019-07-03
Author: Petr Šrámek

LilyGO is known manufacturer of development boards, kits and modules TTGO, which contains diverse variantions of electronic components and functionality.

Today they released a new board called TTGO T-Call contains WiFi and Bluetooth module ESP32 together with GPRS module SIM800L. The device can be powered by USB-C connector or battery.

You can buy it on aliexpress website, but at this moment, there is not so much info. More infor you can find on github of project and of course on website of manufacturer LilyGO.

The github shows you the connection between ESP32 and SIM800L and also example code for this board.

More info you can find on website of manufacturer. You meet with specification, pinout or mechanical drawing.

USB-UART is used typical CP2104, power supply voltage is from 2.7V to 3.6V, the current in deep-sleep mode is only 300 uA and only Nano SIM is supported.

There is USB-C connector and also battery connector on the board.

The price for TTGO T-Call is 14.63 USD + 5.35 USD shipping (in my case – Czech Republic).

Aliexpress: https://www.aliexpress.com/item/33045221960.html

Github: https://github.com/Xinyuan-LilyGO/TTGO-T-Call

Stránky výrobce: http://www.lilygo.cn/claprod_view.aspx?TypeId=21&Id=1129&FId=t28:21:28


Share the article:
Show your
Maker soul!
Buy a T-Shirt
Coffee for Chiptron
Give a boost to the next article

Related Articles

Really small ESP32 PICO D4 module for 4.70 USD

News2018-05-13

Espressif released ESP32 PICO D4 before a few months. During this time, manufacturers released a few development boards with this WiFi and Bluetooth IC. This news describes you really small module (smaller than ESP-WROOM-32) with ESP32 PICO D4, which you…

SIM908 – development board

Articles2015-12-05

I had to create development board with SIM908 – GPS&GSM&GPRS module for diploma thesis. The board is designed as top side. It’s easier than top and bottom sides. On the board are pin headers which are connected to the SIM908…

Other ESP32 development board – Whitecat ESP32 N1 board

News2017-05-08

Do you know WhitecatBoard? It is other company which develops development board with ESP32. If you pay a little bit more you get ESP32 with wireless module for LoRa network. The base component is ESP32 – Dual-core Tensilica LX6 processor…

ATMega328P clone – LGT8F328P by LogicGreen and development boards

News2018-04-04

The cnx-software website shared interesting news about clone of ATMega328P called LGT8F328P microcontroller by LogicGreen. The manufacturer promises 99% compatibility with popular ATMEga328P microcontroller by Atmel/Microchip. What is the 1% uncompatibility nobody knows. The manufacturer gives better parameters of microcontroller.…

ESP32 and Arduino IDE

Articles2017-05-07

Finally, I can write you a short tutorial how to play with ESP32 (more powerful than ESP8266). On the internet is a lot of tutorials how to do it, but this is a little bit different. I don’t have LoLin32,…

About ESP32 and the FireBeetle development board.

Articles2018-01-18

I would like to thank Richard Stefun for this very good article about ESP32 and development board. The IOT applications of new generation. After the launch of ESP-01 modules in 2014 that used the ESP8266 microcontrollers from Espressif Systems, the…

Trends