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 1x Male header set 1x Battery cable 1x Antenna with cable
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