[Puce RF]:STM32WL33
[Puissance de transmission]:20 dBm
[Distance de communication]:3 500 m
[Taille du produit]:20*14mm
[Introduction]:Le module E04-400M20S est un module de communication sans fil SoC basé sur la nouvelle solution de puce STM32WL33 de STMicroelectronics. Le module sans fil présente les caractéristiques d'une longue distance de communication, d'une faible consommation d'énergie en veille, d'une forte capacité anti-interférence, de ressources d'interface riches, d'une forte capacité de traitement et d'une petite taille. Il convient également aux modules sans fil patch de bande de fréquence 433/470, utilisant des oscillateurs à cristal de haute précision de qualité industrielle de 32,768 kHz et 48 MHz pour assurer un fonctionnement stable du module. Ce module sans fil nécessite un développement secondaire par l'utilisateur et peut être largement utilisé dans l'industrie de l'Internet des objets.
| Pin number | Pin name | Pin direction | Pin usage |
| 1 | NC | - | - |
| 2 | NRST | enter | Chip reset trigger input pin, active low level |
| 3 | NC | - | - |
| 4 | NC | - | - |
| 5 | NC | - | - |
| 6 | NC | - | - |
| 7 | NC | - | - |
| 8 | PA1 | input/output | Configurable general-purpose IO port (see STM32WL33KCV6 manual for details) |
| 9 | PB2 | input/output | Configurable general-purpose IO port (see STM32WL33KCV6 manual for details) |
| 10 | NC | - | - |
| 11 | PB0 | input/output | Configurable general-purpose IO port (see STM32WL33KCV6 manual for details) |
| 12 | GND | output | Ground wire, connected to the power reference ground |
| 13 | 3.3V | enter | Power input, supports 2.8~3.6V power supply |
| 14 | PA2 | input/output | Program debugging/download port SWDIO |
| 15 | PA3 | input/output | Program debugging/download port SWCLK |
| 16 | PAO | input/output | Configurable general-purpose IO port (see STM32WL33KCV6 manual for details) |
| 17 | PA11 | input/output | Configurable general-purpose IO port (see STM32WL33KCV6 manual for details) |
| 18 | PA10 | input/output | Configurable general-purpose IO port (see STM32WL33KCV6 manual for details) |
| 19 | PA9 | input/output | Configurable general-purpose IO port (see STM32WL33KCV6 manual for details) |
| 20 | PA8 | input/output | Configurable general-purpose IO port (see STM32WL33KCV6 manual for details) |
| 21 | PB15 | input/output | Configurable general-purpose IO port (see STM32WL33KCV6 manual for details) |
| 22 | PB14 | input/output | Configurable general-purpose IO port (see STM32WL33KCV6 manual for details) |
| 23 | NC | - | - |
| 24 | PB6 | input/output | Configurable general-purpose IO port (see STM32WL33KCV6 manual for details) |
| 25 | PB7 | input/output | Configurable general-purpose IO port (see STM32WL33KCV6 manual for details) |
| 26 | NC | - | - |
| 27 | NC | - | - |
| 28 | GND | output | Ground wire, connected to the power reference ground |
| 29 | ON | output | Antenna interface, stamp hole (50Ω characteristic impedance), connected to IPEX-1 interface |
| 30 | GND | output | Ground wire, connected to the power reference ground |