E22-400T33D Module de port série sans fil E22-400T33D
[La fréquence]：410.125~493.125MHz
[Du pouvoir]：33dBm
[Distance]：16km
[Taille]：37*60*7.6mm
[Poids du produit]：25.9±0.1g
[Introduction]：E22-400T33D est une nouvelle génération de module sans fil LoRa. Il s'agit d'un module de port série sans fil (UART) basé sur la solution lora de SEMTECH. Il existe différentes méthodes de transmission. Sortie de niveau, prend en charge la tension d'alimentation de 3,3 V à 5,5 V.
Magasin officiel
| Pin number | Pin name | Pin Orientation | Pin usage |
|---|---|---|---|
| 1 | M0 | Input (very weak pull-up) | Cooperate with M1 to determine the 4 working modes of the module (can not be suspended, if not used, it can be grounded) |
| 2 | M1 | Input (very weak pull-up) | Cooperate with M0 to determine the 4 working modes of the module (can not be suspended, if not used, it can be grounded) |
| 3 | RXD | Input | TTL serial port input, connected to the external TXD output pin |
| 4 | TXD | Output | TTL serial output, connected to external RXD input pin |
| 5 | AUX | Output | Used to indicate the working state of the module; the user wakes Chengdu Ebyte Electronic Technology Co.,Ltd. E22-400T30D User Manual Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd. 8 up the external MCU, and outputs a low level during the power-on self-test initialization; (can be left floating) |
| 6 | VCC | Input | Connect to the internal reference ground of the module |
| 7 | GND | Input | Connect to the internal reference ground of the module |
| 8~15 | fixing hole | Input | Connect to the internal reference ground of the module |