LilyGO TTGO T-Impulse Development Wristband - S76G - LoRa 868MHz - GNSS

Availability: Directly available from warehouse in Eindhoven
SKU: 004697

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€49.00

Ex Tax: €40.50

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Description
Reviews

A wristband based on an S76G System in Chip (SiP) that integrates a number of chips into one, including a microcontroller, LoRa chip and GNSS (GPS) chip.

Note: The same wristband is used as for the TTGO T-Wristband modules, however, this product is a bit thicker so that the strap does not fit properly and can therefore slide up and down. Aesthetically this is not entirely attractive and it also offers room for moisture and/or dirt to penetrate through the USB connector. Keep this in mind!

Note: On the page in the link below it says that there is an IMU in the T-Impulse, this is not correct, it is not included.

See the following page for more information: GitHub

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Tags: LilyGO TTGO T-Impulse Development Wristband - S76G - LoRa 868MHz - GNSS , LILYGO-K151 , With LoRa

Specifications

General
Brand	LilyGO TTGO
Manufacturer model/SKU	K151
Features	Battery charger Display Microcontroller Battery protection circuit Enclosure Battery
General physical appearance
Main color	Black
Weight [g]	23
Form factor	Wristband
General electrical properties
Minimum supply voltage [V DC]	5
Maximum supply voltage [V DC]	5
MCU/SoC
Manufacturer	STMicroelectronics (AcSiP)
Chip series	STM32L0 (S76G)
Maximum clock frequency [MHz]	32
Number of cores	1
Internal memory
SRAM [KB]	20
Flash memory [MB]	0.1875 (192KB)
EEPROM [B]	64
EEPROM type	Built-in
Communication
Hardware interface(s)	Native USB
USB to serial converter	Integrated into microcontroller
Wireless communication
Interface(s)	GNSS LoRa
GNSS chip/SoC	CXD5603GF (S76G)
Supported GNSS systems	GPS Beidou GLONASS
LoRa chip/SoC	SX1276 (S76G)
LoRa frequency [MHz]	868
Display
Type	OLED
Driver	SSD1306
Number of pixels long side	64
Number of pixels short side	32
Pixel colors	White
Battery circuit
Supported battery chemistry	Li-ion Li-Po
Maximum charging voltage [V]	4.2
Adjustable charging current	No
Protection circuit	Yes
Battery
Chemistry	Li-Po
Rechargeable	Yes
Capacity [mAh]	200
Connectors
Power supply connector(s)	USB-C female
IO-connector(s)	USB-C female
LoRa antenna connector	Built-in antenna
GNSS antenna connector	Built-in antenna
Enclosure
Material	Plastic (unknown material)
Package contents
Package contents	1x TTGO T-Impulse 1x Wristband 1x USB-A to USB-C cable