Ọrọ Iṣaaju
This manual provides detailed instructions for the Vikye A9G Development Board, a versatile module designed for validating basic communication and peripheral functions of the A9G module. It integrates GSM/GPRS for networking communications and GPS/BDS for dual-mode positioning capabilities, making it suitable for a wide range of prototyping and development projects.
Ọja Pariview
Key Awọn ẹya ara ẹrọ
- A9G Development Board: A versatile board based on the A9G GPRS/GSM + GPS/BDS module for validating communication and peripheral functions.
- Multifunction: Supports basic phone/SMS, GPRS networking communications, and GPS/BDS dual-mode positioning.
- Awọn Irinṣe Iṣọkan: Includes lithium battery charging management, microphone, speaker interface, USB communication interface, multiple user keys/LEDs, TF card slot, accelerometer, I2C2 interface, and ADC interface.
- Atọka itagbangba: Compatible with camera expansion boards (30W/200W) and coin machine expansion boards for traditional coin machines.
Package Awọn akoonu
- 1 x A9 Development Board
- 1 x GSM Antenna
- 1 x GPRS Antenna

This image displays the Vikye A9G Development Board, a compact module, with both the GSM antenna (flat, green PCB) and the GPS antenna (square, ceramic patch) connected via their respective coaxial cables. This illustrates the complete setup of the board with its primary communication and positioning components.
Awọn ilana iṣeto
Asopọmọra
Proper wiring is crucial for the functionality of the A9G Development Board. Follow the instructions below based on your power source and communication method.
- Using USB to TTL Serial Cable:
- VUSB to 5V
- GND si GND
- AT_TX to RX
- AT_RX to TX
- Using USB Cable for Power:
- GND si GND
- AT_TX to RX
- AT_RX to TX
- Using Lithium Battery for Power:
- VBAT to (3.3V-4.2V)
- GND si GND
- AT_TX to RX
- AT_RX to TX
- Tẹ awọn power_key bọtini fun 2 aaya lati mu ṣiṣẹ.

A alaye view of the Vikye A9G Development Board, highlighting the SIM card slot and the TF (microSD) card slot. The surrounding pin headers are visible, which are used for connecting external components and for power and data transmission during setup.
Agbara Lori Ilana
- The A9G development board can be powered by either a lithium battery or a USB connection.
- After power-on, the module will automatically start running within 1 to 2 seconds. The serial port will output information automatically. No manual operation is required for the board to begin normal operation.
- To reset the module, press the Rst_Key bọtini.
- The module defaults to AT instruction mode upon startup.
Awọn ilana Iṣiṣẹ
Isẹ ipilẹ
The A9G module operates primarily through AT commands. Once powered on, the module enters AT instruction mode, allowing communication via a serial interface (e.g., USB to TTL serial cable) to send commands and receive responses for controlling GSM/GPRS and GPS/BDS functions.
Awọn ohun elo ti o pọju
The versatility of the A9G Development Board allows for various peripheral prototyping and application development:
- Vehicle Immobilizer: Utilize GPRS + GPS with acceleration sensors for vehicle tracking and security.
- Remote Monitoring Intercom: Implement GSM with a microphone and speakers for two-way communication.
- Smart Watch Development: Create smartwatches with GPRS/GSM + GPS and a 1.54-inch capacitive touch screen.
- Elderly Monitoring Devices: Combine GPRS/GSM + GPS with heart rate and oximeter sensors and a 1.54-inch capacitive touch screen for health monitoring.
- Remote Monitoring Camera: Integrate GPRS + TF card + camera extension board for remote surveillance.
- Payment Slot Machine: Develop WeChat payment slot machine solutions.
- Custom Devices: Leverage onboard features for custom device development based on Lua programming.

This graphic depicts the A9G Development Board with its GSM and GPS antennas, overlaid with digital circuit patterns and text 'DATA TRANSMISSION MODULE'. It visually represents the board's capability for wireless data communication and positioning in various applications.
Itoju
Gbogbogbo Itọju
- Keep the development board in a dry environment to prevent moisture damage.
- Avoid exposing the board to extreme temperatures or direct sunlight.
- Handle the board with care to prevent physical damage to components or connectors.
- Ensure proper ventilation when operating for extended periods.
- Disconnect power before making any wiring changes or modifications.
Laasigbotitusita
Awọn ọrọ to wọpọ
- Ko si Agbara: Verify power connections (USB or battery) and ensure the power_key button is pressed for 2 seconds if using a battery. Check the power indicator LED.
- No Serial Output: Confirm correct wiring for AT_TX/RX to your serial adapter. Ensure the serial port settings (baud rate, etc.) match the module's requirements.
- GSM/GPRS Connectivity Issues: Check SIM card insertion and activation. Ensure the GSM antenna is securely connected. Verify network coverage in your area.
- GPS/BDS Positioning Issues: Ensure the GPS antenna is connected and has a clear view of the sky. Positioning may take longer in indoor environments.
- Modulu Ko dahun: Try pressing the Rst_Key button to reset the module. Recheck all connections and power supply.
For more complex issues, refer to the A9G module's official documentation or community forums for detailed AT command references and advanced troubleshooting guides.
Awọn pato
Imọ ni pato
| Ẹya ara ẹrọ | Ẹ̀kúnrẹ́rẹ́ |
|---|---|
| Brand | Vikye |
| Orukọ awoṣe | A9G |
| Asopọmọra Technology | GPRS |
| Awọn irinše to wa | 1 x A9 Development Board, 1 x GSM Antenna, 1 x GPRS Antenna |
| Eto isesise | Lua |
| isise Brand | ARM |
| Ibamu Alailowaya | 802.11b |
| Awọn ẹrọ ibaramu | Kamẹra |
| Ramu Memory Technology | LPDDR3 |
| Iwọn ero isise | 1 |
| Lapapọ Awọn ibudo USB | 1 |
| Iwọn Nkan | 0.02 kilo |
| Nọmba awoṣe | u7kdg9cs0m |
| ASIN | B07QDR4ZP6 |
| UPC | 748018527156 |

An overhead shot of the central A9G module integrated onto the development board. The module's metallic shield displays 'GPRS+GPS', a serial number, and a QR code, indicating its core functionalities and identification details.
Atilẹyin ọja ati Support
Alaye atilẹyin ọja
Specific warranty details for the Vikye A9G Development Board are not provided in this manual. Please refer to the product's purchase documentation or contact the seller directly for information regarding warranty coverage and terms.
Onibara Support
For technical assistance, troubleshooting, or any inquiries regarding the Vikye A9G Development Board, please contact the seller or manufacturer through the platform where the product was purchased. They can provide specialized support and guidance.