LilyGO T-Dongle ESP32-S2

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SKU: 004566

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Description
Reviews

This T-Dongle module from LilyGO is a microcontroller based on an ESP32-S2 chip. This board has two USB connections, a type-A male and a type-A female. As a result, the module can not only be used as a (virtual) USB device (such as a keyboard), but alternatively a USB device can also be connected to it (support for the latter may be limited, depending on the type of USB device). In addition, this module also has a TFT display, an SD card adapter and an extra expansion connector.

See the following page for more information: GitHub

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Tags: LilyGO T-Dongle ESP32-S2 , LILYGO-H557 , With Wi-Fi

Specifications

General
Brand	LilyGO TTGO
Manufacturer model/SKU	H557
Model revision	V1.0
Features	Display Enclosure SD-card adapter Microcontroller (MCU)
General physical appearance
Main color	Black
Weight [g]	21
Dimension X [mm]	60
Dimension Y [mm]	28
Form factor	USB stick Module (general)
General electrical properties
Minimum supply voltage [V DC]	5
Maximum supply voltage [V DC]	5
Minimum IO-pin input voltage [V]	3.3
Maximum IO-pin input voltage [V]	3.3
IO-pin output voltage [V]	3.3
Maximum IO-pin source current [mA]	40
Maximum IO-pin sink current [mA]	28
MCU
Manufacturer	Espressif
Chip series	ESP32-S2
Maximum clock frequency [MHz]	240
Number of cores	1
Internal memory
SRAM [KB]	320
PSRAM [MB]	8
Flash memory [MB]	4
EEPROM type	Emulated
Communication
Hardware interface(s)	I2C I2S PWM GPIO UART USB CDC Native USB
Number of IO-pins	2
Maximum available hardware PWM channels	2
Maximum available analog input pins (ADC)	0
Maximum available analog output pins (DAC)	0
Maximum available hardware UART interfaces	1
Maximum available hardware I2C interfaces	1
Maximum available hardware SPI interfaces	0
USB to serial converter	Integrated into microcontroller
Supported SD card size	Micro SD
Wireless communication
Interface(s)	Wi-Fi
Wi-Fi chip/SoC	ESP32-S2
Wi-Fi frequency [GHz]	2.4
Display
Type	TFT
Driver	ST7789
Screen diagonal [inch]	1.14
Number of pixels long side	240
Number of pixels short side	135
Pixel colors	RGB
Connectors
Power supply connector(s)	USB-A male
IO-connector(s)	USB-A male USB-A female JST-PH (compatible) male
Wi-Fi/Bluetooth antenna connector	Built-in antenna IPEX MHF 1/uFL male (requires modification)
Package contents
Package contents	1x T-Dongle 1x Enclosure bottom 1x Enclosure top