LilyGO TTGO T-Relay ESP32 - Development Board
- Availability: Directly available from warehouse in Eindhoven
- SKU: 004327
€14.50
Ex Tax: €11.98
Please note! Due to the busy period around Black Friday and the holidays, there is a chance of longer delivery time.
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The T-Relay is a handy relay module with Wi-Fi and Bluetooth. This module has 4 relays and an ESP32-Wrover.
See the following page for more information and examples: LilyGO T-Relay Github
Note: This board does not have a built-in USB to serial converter, to program the board the following converter is needed: TTGO T-U2T
| General | |
| Brand | LilyGO TTGO |
| Manufacturer model/SKU | H516 |
| Model revision | V1.0 |
| Features | Electric switch Microcontroller (MCU) |
| General physical appearance | |
| Main color | Black |
| Weight [g] | 83 |
| Dimension X [mm] | 85 |
| Dimension Y [mm] | 85 |
| Dimension Z [mm] | 19 |
| Mounting options | Mounting hole(s) |
| Diameter mounting hole(s) [mm] | 4 |
| Form factor | Module (general) |
| General electrical properties | |
| Minimum supply voltage [V DC] | 5 (only via USB-C, minimum 12V DC via screw terminal) |
| Maximum supply voltage [V DC] | 24 (only via screw terminal, maximum 5V DC 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 |
| Maximum clock frequency [MHz] | 240 |
| Number of cores | 2 |
| Internal memory | |
| SRAM [KB] | 520 |
| PSRAM [MB] | 8 |
| Flash memory [MB] | 4 |
| EEPROM type | Emulated |
| Communication | |
| Hardware interface(s) | ADC DAC I2C I2S PWM SPI GPIO UART |
| Number of IO-pins | 16 |
| Maximum available hardware PWM channels | 12 |
| Maximum available analog input pins (ADC) | 14 |
| Maximum available analog output pins (DAC) | 1 |
| Maximum available hardware UART interfaces | 3 |
| Maximum available hardware I2C interfaces | 2 |
| Maximum available hardware SPI interfaces | 2 |
| USB to serial converter | None (TTGO T-U2T required) |
| Wireless communication | |
| Interface(s) | Wi-Fi Bluetooth |
| Wi-Fi chip/SoC | ESP32 |
| Wi-Fi frequency [GHz] | 2.4 |
| Bluetooth chip/SoC | ESP32 |
| Bluetooth version | 4.2 |
| Supported Bluetooth standard(s) | LE Classic |
| Switch | |
| Switching method | Electrical |
| Switch type | Mechanical relay |
| Number of channels/gangs | 4 |
| Contact(s) | NO (normally open) NC (normally closed) |
| Maximum switching voltage [V AC] | 250 |
| Maximum switching voltage [V DC] | 24 |
| Switching voltage equal to supply voltage | No |
| Maximum switching current per channel (resistive load) [A] | 10 |
| Connectors | |
| Power supply connector(s) | USB-C female Screw terminal |
| IO-connector(s) | USB-C female Through hole solder pin(s) (2.54mm) |
| Switch connector(s) | Screw terminal |
| Pin distance [mm] | 2.54 |
| Wi-Fi/Bluetooth antenna connector | Built-in antenna |
| Package contents | |
| Package contents | 1x TTGO T-Relay 1x Male pin header set |