EWM181-Z20SP Module réseau ad hoc ZigBee Auto-réparation du réseau Faible consommation d'énergie Prend en charge plusieurs topologies de réseau
[Interface de communication]：UART
[Fréquence de fonctionnement]： 2,4 GHz
[Puissance d’émission]：20 dBm
[Distance de communication]：0,8 km
[Dimensions]：14 x 20 mm
[Poids]：1,0 ± 0,1 g
[Introduction]：La série EWM181-Z20 est un module sans fil ZigBee 3.0 vers port série, de faible volume, conçu et fabriqué par Ebyte. De type CMS, il offre une puissance de transmission maximale de 20 dBm et un espacement des broches de 1,27 mm. Doté d'un micrologiciel réseau auto-organisateur, il est simple et facile à utiliser. Il est principalement adapté aux applications de transmission de données.
Magasin officiel
| Pin number | Pin Name | Pin direction | Pin Purpose |
| 1 | GND | Input/Output | Ground wire, connected to the power reference ground |
| 2 | WKP | Input | Module sleep wake-up pin, low level wake-up, default pull-up, see 6.1.2 Wake-up pin for details |
| 3 | NWK_KEY | Input | One-key networking pin, 10ms~1000ms low level to configure the network, 5s low level to reset the network, pull-up by default, see 6.1.4 One-key networking for details |
| 4 | PA1 | Input/Output | Reserved, users do not need to pay attention |
| 5 | PA2 | Input/Output | Reserved, users do not need to pay attention |
| 6 | PC3 | Input/Output | Reserved, users do not need to pay attention |
| 7 | PC2 | Input/Output | Reserved, users do not need to pay attention |
| 8 | PC1 | Output | TXD, serial port 2 data output |
| 9 | PC0 | Input | RXD, serial port 2 data input |
| 10 | GND | Input/Output | Ground wire, connected to the power reference ground |
| 11 | VCC | Input | Power supply, 2.0~3.8V DC power supply |
| 12 | TXD | Output | Serial port 1 data output |
| 13 | RXD | Input | Serial port 1 data input |
| 14 | M1 | Input/Output | Select port 1 for the node type, which must be used in conjunction with port M0. |
| 15 | M0 | Input/Output | Select port 0 as the node type and use it in conjunction with port M1. |
| 16 | LINK | Output | Network status indication pin, high level network is valid, default is low level, see 6.1.5 Network status pin for details |
| 17 | PB1 | Input/Output | Reserved, users do not need to pay attention |
| 18 | RST | Input | Reset pin |