EWT104-BT53A3 Bluetooth module test kit
[Interface]：UART
[Chip]：-
[Size]：54.4*30mm
[Product weight]：9.4 ± 0.1g
[Introduction]：The EWT104-BT53A3 wireless module development board is a Bluetooth test kit based on the E104-BT53A3 Bluetooth module, which can significantly reduce the user's development cycle. For detailed information about the E104-BT53A3 Bluetooth module, please visit the official website to download relevant information about this model.
Official Store
| Serial number | definition | illustrate | Remark |
| 1 | NC | - | 2.54mm pitch female header |
| GND | Power ground | ||
| TXD | Serial port output pin | ||
| RXD | Serial port input pin | ||
| 3.3V | DC 3.3V input pin | ||
| 2 | POWER | Power indicator | - |
| 3 | LINK-MASTER | Indicates host connection status | Connect module PD01 pin |
| 4 | LINK-SLAVE | Indicates the connection status of the slave (including Beacon role) | Connect the module to the PD00 pin |
| 5 | RXD | Serial port receiving indicator | - |
| 6 | TXD | Serial port sending indicator | - |
| 7 | RESET | Reset button | - |