LilyGO T-Watch S3 - Development Smartwatch - ESP32-S3 - LoRa 868MHz - Silver

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SKU: 005871

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Description
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The T-Watch S3 from LilyGO is a development smartwatch based on an ESP32-S3 microcontroller. The watch has numerous sensors and in addition to Wi-Fi and Bluetooth, this watch also supports LoRa.

See the following page for more information: GitHub

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Tags: LilyGO T-Watch S3 - Development Smartwatch - ESP32-S3 - LoRa 868MHz - Silver , LILYGO-K214 , With Bluetooth

Specifications

General
Brand	LilyGO TTGO
Manufacturer model/SKU	K214
Features	Battery charger Display Microcontroller (MCU) Touchscreen Audio amplifier Battery protection circuit Enclosure RTC Vibration motor Microphone Battery Speaker/buzzer Acceleration sensor
General physical appearance
Main color	Gray/silver
Weight [g]	58
Dimension X [mm]	50
Dimension Y [mm]	41
Dimension Z [mm]	13
Form factor	Wristband
General electrical properties
Minimum supply voltage [V DC]	5
Maximum supply voltage [V DC]	5
MCU
Manufacturer	Espressif
Chip series	ESP32-S3
Maximum clock frequency [MHz]	240
Number of cores	2
Internal memory
SRAM [KB]	512
PSRAM [MB]	8
Flash memory [MB]	16
EEPROM type	Emulated
Communication
Hardware interface(s)	Native USB USB CDC
Number of IO-pins	0
USB to serial converter	Integrated into microcontroller
Wireless communication
Interface(s)	Wi-Fi Bluetooth LoRa IR
Wi-Fi chip/SoC	ESP32-S3
Wi-Fi frequency [GHz]	2.4
Bluetooth chip/SoC	ESP32-S3
Bluetooth version	5.0
Supported Bluetooth standard(s)	LE
LoRa chip/SoC	SX1262
LoRa frequency [MHz]	868
IR receiver/transmitter	Transmitter
Display
Type	IPS
Driver	ST7789V
Screen diagonal [inch]	1.54
Number of pixels long side	240
Number of pixels short side	240
Display shape	Square
Pixel colors	RGB
Touchscreen
Touchscreen controller	FT6236U
Touch type	Capacitive
Acceleration sensor
Sensor chip/SoC	BMA423
Degrees of freedom (DOF)	3
Maximum measuring range [±g]	16
Maximum resolution [bit]	12
Sound sensor
Sensor (chip(s))	SPM1423
Type	Microphone
RTC
RTC chip	PCF8563
Back-up battery/capacitor	Yes
Audio amplifier
Amplifier chip	MAX98357
Number of (normal) channels	1
Speaker
Speaker type	Standard
Motor driver
Driver chip	DRV2605
Battery circuit
Battery charger chip/SoC	AXP2101
Supported battery chemistry	Li-ion Li-Po
Maximum charging voltage [V]	4.2
Maximum charging current [mA]	1000
Adjustable charging current	Yes
Protection circuit	Yes
Safety features	Short circuit Overvoltage Overcurrent Undervoltage
Battery
Chemistry	Li-Po
Rechargeable	Yes
Capacity [mAh]	470
Maximum cell voltage [V]	4.2
Connectors
Power supply connector(s)	Micro USB female
IO-connector(s)	Micro USB female
Wi-Fi/Bluetooth antenna connector	Built-in antenna
LoRa antenna connector	Built-in antenna
Package contents
Package contents	1x T-Watch S3 1x USB-A to micro USB cable