LilyGO TTGO T-Weigh ESP32 - LoRa 868MHz - HX711

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SKU: 004568

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€24.00

Ex Tax: €19.83

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Description
Reviews

The TTGO T-Weigh is a microcontroller based on an ESP32 with HX711 load cell amplifiers to which four load cells can be connected. This module also has the option to communicate via LoRa.

Note: This board does not have a built-in USB to serial converter, the following converter is required to program the board: TTGO T-U2T

See the following page for more information: GitHub

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Tags: LilyGO TTGO T-Weigh ESP32 - LoRa 868MHz - HX711 , LILYGO-H522 , With Bluetooth

Specifications

General
Brand	LilyGO TTGO
Manufacturer model/SKU	H522
Model revision	V1.0
Features	Microcontroller Load cell amplifier
General physical appearance
Main color	Black
Weight [g]	26 (including antenna)
Dimension X [mm]	58
Dimension Y [mm]	50
Form factor	Module (general)
General electrical properties
Minimum supply voltage [V DC]	5
Maximum supply voltage [V DC]	12 (via screw terminal) 5 (via USB-C)
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]	20
Maximum IO-pin sink current [mA]	28
MCU/SoC
Manufacturer	Espressif
Chip series	ESP32-PICO
Maximum clock frequency [MHz]	240
Number of cores	2
Internal memory
SRAM [KB]	520
PSRAM [MB]	0
Flash memory [MB]	4
EEPROM type	Emulated
Communication
Hardware interface(s)	I2C I2S SPI UART PWM ADC DAC GPIO
Number of IO-pins	2 (pulled-up)
Maximum available hardware PWM channels	2 (pulled-up)
Maximum available analog input pins (ADC)	2 (pulled-up)
Maximum available analog output pins (DAC)	0
Maximum available hardware UART interfaces	1
Maximum available hardware I2C interfaces	1
Built-in pull-up resistor(s) [kΩ]	4.7
Maximum available hardware SPI interfaces	0
USB to serial converter	None (TTGO T-U2T required)
Wireless communication
Interface(s)	Wi-Fi Bluetooth LoRa
Wi-Fi chip/SoC	ESP32-PICO
Wi-Fi frequency [GHz]	2.4
Bluetooth chip/SoC	ESP32-PICO
Bluetooth version	4.2
Supported Bluetooth standard(s)	LE Classic
LoRa chip/SoC	SX1262
LoRa frequency [MHz]	868
Signal amplifier
Chip	HX711
Type	Load cell amplifier
Number of channels	4
Connectors
Power supply connector(s)	Screw terminal USB-C female
IO-connector(s)	JST-XH (compatible) male Through hole solder pin(s) (2.54mm) USB-C female
Wi-Fi/Bluetooth antenna connector	Built-in antenna IPEX MHF 1/uFL male (requires modification)
LoRa antenna connector	IPEX MHF 1/uFL male
Package contents
Package contents	1x TTGO T-Weigh 1x LoRa antenna