TTGO T4 ESP32 board features 2.4

LilyGO has launched yet another ESP32 board with an integrated color display. The TTGO T4 offers a 2.2-inch or 2.4-inch color display, LiPo battery support, but in contrast to many other boards from the company, features a battery charging circuitry based on Injonic IP5306 “fully-integrated power bank system-on-chip with 2.1A charger, 2.4A discharger”.

The WiFi and Bluetooth IoT board is also equipped with 4MB flash, a MicroSD card socket, 8MB PSRAM, a 20-pin GPIO header and a 5-pin I2C connector for expansion, and a few buttons for programming and user control.

TTGO T4 v1.3 specifications:

LilyGO lists the Arduino and MicroPython programming languages for the board, but only provides “test code” based on the Arduino IDE and TFT_eSPI and Button2 libraries. You’ll find the Arduino sketch, the schematics, and basic instructions on the relevant Github repo for T4, or other Tx ESP32 boards from the company.

The TTGO T4 board is sold for $28.98 (2.2-inch) or $25.98 (2.4-inch) on LilyGO’s Aliexpress store with CP2104 USB to TTL chip, a battery cable, plus a cable for the 5-pin I2C connector than ends with female jumper wires at the other end.

Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011.

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