1. Wi-Fi Module

▫️Firmware Flashing

🔹Preparation Before Flashing

• Flashing software download: Click to Download
• AiPi-PalChatV1 (XiaoZhi AI) firmware: Click to Download - V1.9 Version
• TTL to USB tool, if you don't have one: Click to Buy
• Serial port driver download
  • FT232 driver: Click to Download
  • CP2102 driver: Click to Download

🔹Wiring

TTL to USB Module	AiPi-PalChatV1
GND	GND
TXD	RXD
RXD	TXD
Vo	3V3

🔹Reference Video for Flashing

To enter flashing mode for AiPi-PalChatV1, follow these steps:

1. Press and hold the BOOT button
2. Restart the power switch
3. Start flashing

▫️Log Viewing

🔹Serial Assistant Download

• It is recommended to use the Anxinke Combo-AT debugging tool: Click to Download

Use the debugging tool to install the serial assistant, as shown below:

🔹Select Serial Port and Baud Rate

• Select the corresponding COM port
• Select baud rate: 2000000

As shown below:

2. Offline Voice Chip

v2.x versions of AiPi-PalChatV1 no longer rely on flashing tools to upgrade firmware. You can directly use the firmware of AiPi-PalChatV1.

We have also flashed the offline voice firmware into the main control chip of AiPi-PalChatV1, and it will automatically upgrade the old version of the offline voice firmware.

Firmware Flashing

▫️Preparation Before Flashing

• Flashing software download: Click to Download
• Dedicated flashing tool, if you don't have one: Click to Buy
• Firmware download (wake word: Hello Xiao An): Click to Download

▫️Wiring

Flashing Tool	AiPi-PalChatV1
GND	GND
DP	DP
DM	DM
VCC	5V

▫️Flashing

• (1). First open the flashing software as shown below:

Click to expand

After connecting the flasher and powering on, the red light stays on, the green light blinks, and when you press the button on the flasher, the green light turns off. At the same time, the device status in the upper computer changes to ONLINE, and the "Verify" and "Upgrade" buttons become active.

As shown below:

• (2). Click "Upgrade" to complete the flashing.