[Interface de données]：Niveau TTL
[Tension de fonctionnement]：DC 4.5~18V
[Dimensions]：25*25mm
[Poids]：4,5 ± 0,2 g
[Introduction]：Le module E840-TTL(EC05-DNE)-V2 est un module 4G compact développé par EBITE et utilisant la technologie 4G CAT1. Il se caractérise par sa petite taille, sa vitesse élevée, sa faible latence et sa simplicité d'utilisation. Sa configuration simple permet la mise en réseau de périphériques série (transmission bidirectionnelle transparente entre les périphériques série et les serveurs réseau). Ce module utilise des connecteurs à broches de 2,0 mm pour faciliter le débogage et la configuration, ce qui le rend idéal pour l'intégration dans les projets IoT. Il prend en charge deux types de connexion, le protocole MQTT et l'accès aux plateformes Alibaba Cloud, OneNet, Baidu Cloud et Huawei Cloud, facilitant ainsi le déploiement d'applications IoT.
Magasin officiel
| Serial Number | name | Function | illustrate |
| 1 | GND | ground pin | Can be used as a power source ground |
| 2 | VCC1 | 4.5 ~ 18V input | For power supplies of 4.5V and above (note the module's operating voltage range), the VCC1 pin must be used, and the recommended power supply load capacity for VCC1 is 2A@5V or higher. Do not supply power simultaneously with VCC2!!! |
| 3 | NC | Empty pin | When customizing, use it as a regular I/O; when not in use, simply leave it floating. |
| 4 | GND | ground pin | Can be used as a power source ground |
| 5 | YES_TRUE | External SIM card pins | External SIM card VDD, used for connecting external SIM cards. |
| 6 | SIM_CLK | External SIM card pins | External SIM Card CLK is used to accept external SIM cards. |
| 7 | SIM_RST | External SIM card pins | External SIM card RST, used for connecting external SIM cards. |
| 8 | SIM_DATA | External SIM card pins | External SIM card DATA, used for connecting external SIM cards. |
| 9 | GND | ground pin | Can be used as a power source ground |
| 10 | RESET | Restart pin | Pulling it low will restart the module; it is recommended to pull it up externally when not in use. |
| 11 | RXD | Serial port receive pin | Connect to a microcontroller or TTL debugger via TXD. |
| 12 | TXD | Serial port transmit pin | Connect to a microcontroller or TTL debugger RXD |
| 13 | RS485_EN | RS485 chip enable pin | The RS485 enable control pin is set high when the serial port is sending data, and is normally low. |
| 14 | RELOAD | Factory reset pin | Pull the switch low for 3-5 seconds to restore factory settings; all indicator lights will illuminate successfully. Pull the switch low again to power on and enter upgrade mode; all indicator lights will flash. |
| 15 | STATE | STATE indicator external pin | For external LED use, common cathode connection. |
| 16 | LINK | LINK indicator external pin | For external LED use, common cathode connection. |
| 17 | DATA | DATA indicator external pin | For external LED use, common cathode connection. |
| 18 | VCC2 | 3.3 ~ 4.3V input | 4.2V battery system power supply (note the module's operating voltage range). VCC2 power supply load capacity is recommended to be 2.5A@4V or higher. Do not supply power simultaneously with VCC1, and do not reverse connection! |
| 19 | GND | ground pin | Can be used as a power source ground |
| 20 | ANT-GNSS | Antenna Interface | First generation IPEX connector, active antenna (only supported by E840-TTL (EC05-DGC), pads are empty for other models) |
| 21 | DATA | Data indicator light | Off: No data is being transmitted or received via the serial port; blinking: Data is being transmitted/received via the serial port. |
| 22 | LINK | Link indicator light | Always lit: Connection to the server is successful on any link; |
| Off: The module failed to connect to the server; | |||
| 23 | STATE | Network access status indicator light | Off: The module is powered on and searching for the SIM card; |
| Flashing: The module has detected the correct SIM card and is attaching to the network; | |||
| Changliang: Module successfully attached to network; | |||
| 24 | POWER | Power indicator light | Lights up when power is on |
| 25 | SIM | SIM card slot | The NaNo SIM card slot should have the chip facing upwards and the notch facing inwards when inserting the card. |
| 26 | ANT-4G | Antenna Interface | 1st generation IPEX socket |