[Interface]:UART
[Frequency]:410.125~493.125MHz
[Power]:30dBm
[Distance]:10km
[Size]:40.5 * 25 mm
[Introduction]:E150-400T30S is a wireless serial port module (UART) based on LoRa radio frequency chip. It works in the frequency band of 410.125~493.125MHz (default 433.125MHz) and adopts LoRa spread spectrum technology.
No. | Name | Direction | Usage |
---|---|---|---|
1 | VCC | Input | Module power positive reference, voltage range: 3.3 ~ 5.5V DC |
2 | GND | Input | Module power ground |
3 | SWCLK | Input | SWD debug pin |
4 | NRST | Input | Reset module pin, it needs to be pulled low for at least 10 ms and then released to perform external reset |
5 | SWDIO | Input | SWD debug pin |
6 | 485_EN | Output | When connecting an external UART to RS485 chip, this pin is used as the control terminal |
7 | AUX | Output | Used to indicate the working status of the module, or to wake up an external MCU |
8 | RXD | Input | TTL serial input, connect to external TXD output pin, pull-up input |
9 | TXD | Output | TTL serial output, connect to external RXD input pin 10 GND Input Module power ground |
11 | ANT | output/output | RF signal output/output terminal, IPEX interface, for connecting the antenna |
12 | GND | Input | Module power ground |
13 | GND | Input | Module power ground |
14 | GND | Input | Module power ground |
15 | GND | Input | Module power ground |
16 | PWM1 | output | PWM Output |
17 | PWM2 | output | PWM Output 18 GND Input Module power ground |
19 | DAC1 | output | DAC output pin 20 DAC2 output DAC output pin |
21 | ADC1 | Input | ADC input pin for voltage measurement (0~5V) |
22 | ADC2 | Input | ADC input pin for voltage measurement (0~5V) |
23 | ADC4 | Input | ADC input pin for current measurement (0~20mA) |
24 | ADC5 | Input | ADC input pin for current measurement (0~20mA) |
25 | DI1 | Input (very weak pull-up) | Digital input, IO status can be inquired through Modbus commands |
26 | DI2 | Input (very weak pull-up) | Digital input, IO status can be inquired through Modbus commands |
27 | DI3 | Input (very weak pull-up) | Digital input, IO status can be inquired through Modbus commands |
28 | DI4 | Input (very weak pull-up) | Digital input, IO status can be inquired through Modbus commands |
29 | DO1 | output (open drain) | Open-drain output, pull-up resistor must be added externally, otherwise it cannot output high level |
30 | DO2 | output (open drain) | Open-drain output, pull-up resistor must be added externally, otherwise it cannot output high level |
31 | DO3 | output (push-pull) | Push-pull output |
32 | DO4 | output (push-pull) | Push-pull output |