E104-BT02 Module UART vers BLE sans fil SMD 1 mW (0 dBm) avec des performances élevées
[Solution de puce]：DA14580
[Fréquence de fonctionnement]： 2,379 ~ 2,496 GHz
[Protocole de prise en charge]：BLE 4.2
[Distance de communication]：70 m
[Type d'interface]：UART
[Poids du produit]：1,0 ± 0,1 g
[Introduction]：E104-BT02 est un module UART vers BLE sans fil SMD 1 mW (0 dBm) avec des performances élevées, une petite taille et une antenne PCB intégrée et fonctionne sur une bande de fréquence de 2,4 GHz. Le port série (UART) peut être utilisé pour recevoir et transmettre des données ble, ce qui abaisse le seuil d'application de ble.
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| Pin | Name | Direction | I/O | Description |
| 1 | GND | - | Ground | Referenced ground |
| 2 | NC | - | Reserved | - |
| 3 | POO | Input | Mode configuration (MOD) | When low level is inputted, module enters configuration mode; when high level is inputted, module enters transparent transmission mode (it contains internal pull-up resistance and operates in transparent transmission mode by default) |
| 4 | P01 | - | Reserved | - |
| 5 | P02 | - | Resened | - |
| 6 | P03 | Output | X'alid data output (APP) | To indicate data outputted via serial port is valid： and the low level indicates that data is in transmission and the high level indicates that data transmission has completed (see more details on <See 5.4 Data Validity Instructions for details >) |
| 7 | P04 | Output | UART transmit data | Module outputs serial port data |
| 8 | P05 | Input | UART receive data | Module receives external serial port data |
| 9 | P06 | Output | Wake-up (WKP) | In any case： module enters wake-up mode when a low level is inputted and module enters sleep mode when a high level is inputted(it contains internal pull-up resistance and operates in sleep mode by default) |
| 10 | P07 | - | Reserved | - |
| 11 | GND | - | Ground | Referenced ground |
| 12 | VCC | - | 3.3V | Input power |
| 13 | RESET_H | Input | Reset (RST) | Module inputted a high level enters hardware reset state and module inputted a low level come back to normal operating state, which is used for restoration in emergency |
| 14 | PIO | - | Resened | - |
| 15 | Pll | Output | Connection state (STA) | To indicate connection state of Bluetooth, when connected the pin output a low level; when interrupted the pin output a high level. |
| 16 | P15 | - | Reserved | - |
| 17 | P14 | Input | Role selection | To configure the role of the module and it is a slave when a high level is inputted and it is a master when a low level is inputted. (It contains internal pull-up resistance and operates as a slave by default. See more on 5.5 Role selection) |
| 18 | P12 | - | Reserved | - |
| 19 | P13 | - | Reserved | - |
| 20 | GND | - | Ground | Referenced ground |