E77-400MBL-01 LoRa wireless data transmission anti-interference test kit Rf Transmitter Receiver Wireless Module
[Interface]：USB
[Working frequency band]：400MHz
[Introduction]：The MBL series evaluation kits are designed to help users quickly evaluate Ebyte’s next-generation package-compatible wireless modules. Most of the pins on the board are led out to the pin headers on both sides, making it easy for developers to connect a varietyof peripherals via jumpers to their needs.
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| PIN | Defi | Description |
| 1 | 3.3V | The 3.3V supply leads the pin |
| 2 | VCC | The module power supply pin needs to be shorted to pin 1 to power the module |
| 3 | REST | The MCU external reset pin |
| 4 | SWCLK | SWCLK pin of the MCU |
| 5 | SWDI0 | SWDIO pin of the MCU |
| 6 | GND | Baseplate reference ground |
| 7 | PC13 | Module Normal IO |
| 8 | PA15 | Module Normal IO |
| 9 | PB0 | Module Normal IO |
| 10 | PB2 | Module Normal IO |
| 11 | PB12 | Module Normal IO |
| 12 | PA10 | Module Normal IO |
| 13 | PA11 | Module Normal IO |
| 14 | PA12 | Module Normal IO |
| 15 | PA9 | Module Normal IO |
| 16 | PA8 | Module Normal IO |
| 17 | GND | Baseplate reference ground |
| 18 | 3.3V | The 3.3V supply leads the pin |
| 19 | TXD | Module low-power serial port TXD |
| 20 | RXD | Module low-power serial port RXD |
| 21 | PB3 | Module Normal IO |
| 22 | PB4 | Module Normal IO |
| 23 | PB5 | Module Normal IO |
| 24 | PB6 | Module Normal IO |
| 25 | PB7 | Module Normal IO |
| 26 | PB8 | Module Normal IO |
| 27 | PA0 | Module Normal IO |
| 28 | PA1 | Module Normal IO |
| 29 | PA4 | Module Normal IO |
| 30 | PA5 | Module Normal IO |