LilyGO TTGO T-Weigh ESP32 - LoRa 868MHz - HX711
- Availability: Directly available from warehouse in Eindhoven
- SKU: 004568
€23.00
Ex Tax: €19.01
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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
| General | |
| Brand | LilyGO TTGO |
| Manufacturer model/SKU | H522 |
| Model revision | V1.0 |
| Features | Microcontroller (MCU) 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 | |
| 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 |