Ebyte módulos inalámbride UART de alta calidad para la lectura de contadores inteligentes hogar inteligente agricultura control industrial
[IC]：SX1278
[frecuencia]：410~525MHz
[poder]：10~20dBm
[distancia]：3.0km
[La interfaz]：UART
[peso]：2.1±0.1g
[Introducción]：E32-400T20S es un módulo de puerto serie inalámbrico desarrollado por EBAit para la industria de lectura de contadores inalámbricos. La solución LoRa spread Spectrum, con función de despertador de aire (bajo consumo de energía), banda de frecuencia de lectura del medidor por defecto de fábrica de 470MHz, modo de subcontratación largo (197 bytes por paquete), puede satisfacer la aplicación de la industria de la lectura de contadores.
| Pin No. | Pin Item | Pin Direction | Pin Application |
|---|---|---|---|
| 1 | GND | - | Ground |
| 2 | GND | - | Ground |
| 3 | GND | - | Ground |
| 4 | GND | - | Ground |
| 5 | M0 | Input(weak pull-up) | Work with M1 & decide the four operating modes;Floating is not allowed, can be ground. |
| 6 | M1 | Input(weak pull-up) | Work with M0 & decide the four operating modes;Floating is not allowed, can be ground. |
| 7 | RXD | Input | TTL UART inputs, connects to external TXD output pin;Can be configured as open-drain or pull-up input. |
| 8 | TXD | Output | TTL UART outputs, connects to external RXD input pin Can be configured as open-drain or push-pull output. |
| 9 | AUX | Output | To wake up the external MCU, during the procedure of self-check initialization, the pin outputs low level; Can be configured as open-drain output or push-pull output; Floating is allowed. |
| 10 | VCC | - | Voltage positive reference of module; Power supply 2.6V ~ 5.2V DC |
| 11 | GND | - | Ground |
| 12 | NC | - | - |
| 13 | GND | - | Ground |
| 14 | NC | - | - |
| 15 | NC | - | - |
| 16 | NC | - | - |
| 17 | NC | - | - |
| 18 | NC | - | - |
| 19 | GND | - | Ground |
| 20 | GND | - | Ground |
| 21 | ANT | - | Antenna |
| 22 | GND | - | Ground |