LILYGO TTGO T-CALL ESP32 W/ SIM800L DEV MODULE

All pictures are for illustrative purposes only.

PID# 18830

CA$30.00
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Description

The TTGO T-Call from LilyGO is a microcontroller based on an ESP32 in combination with an SIM800L GSM GPRS module. The USB to serial converter makes it easy to program, even as an Arduino. The board has a USB-C connection with which it can be programmed and/or powered (USB-C cable not included).

Specifications:

  • Supply voltage: 5V DC (via USB-C) of 3.3V DC (via 3V3 pin)
  • GPIO voltage: 3.3V*
  • Output voltage: 5V DC (via 5V pin)
  • Main chip: ESP32 (WROVER module, 240MHz dual core processor)
    • Flash memory: 4MB
    • SRAM: 520 kB
    • PSRAM: 8MB
    • Built-in Wi-Fi
    • Built-in Bluetooth
  • USB to serial converter: CP2104 or CH9102F (drivers)
  • Built-in SIM800L GSM GPRS module
  • Built-in Nano SIM card connection
  • Built-in power management chip (IP5306) with Li-ion/Li-Po battery charging circuit (~2A charging current)
  • Battery connector: 2p JST-PH
  • Dimensions: See images

Package contents:

  • 1x TTGO T-Call SIM800L

See the following page to get started with the board: TTGO-T-Call-ESP32

To program the board with the Arduino IDE select the 'ESP32 Wrover Module' in the board manager.

*Note: The pins on the board are directly connected to the ESP32 chip and are therefore only suitable for 3.3V signals.

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