Recently we got many customers’ feedback about the A9G module, that how to upgrade the A9G firmware, as Aithink released new version firmware.
That we released the Maduino A9G 2.0, with A9G module firmware upgrade port added:
1. The A9G firmware upgrade port:
The A9G using simple UART port for firmware updates. In our new released Maduino A9G 2.0 version, you can find it here:
And, you may need a USB2UART convertor, such as the CP2002 Convertor.
3. Connect the USB2UART to Maduino, as below:
A9/A9G 3.3V USB to TTL
HRXD <-> TXD
HTXD <-> RXD
GND <-> GND
4. Open the firmware update tool, select the latest version of firmware, and click “start” to start the upgrading.