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WCH BLE OTA Web Updater

Professional Web Bluetooth firmware update tool WCH BLE devices · Designed By Heng ZHANG (HKU) zhhku@connect.hku.hk

Browser Not Connected OTA FEE0/FEE1 Idle

1. Device Connection

Filter
No device connected

2. Firmware File

No firmware selected
Size: --
Type: --
Start: --
End: --
⚠ Select a firmware file first.

3. OTA Parameters

Advanced
Transfer mode
Packet size 244 B Delay 0 ms
Size
Delay
BIN start

Update Dashboard

Chip
--
Not read
Active Image
--
Booted app
APP Offset
--
OTA image start
Block Size
--
Erase unit

Firmware Analysis

Parsed firmware

File type--
Start address--
End address--
Image size--
Erase blocks--

Transfer estimate

Write packets--
Verify packets--
Current speed--
Estimated remaining--
Current address--

OTA Progress

Idle
Total progress-- / 0%
1
Read Device Info
--
2
Erase Flash
--
3
Write Firmware
--
4
Verify Image
--
5
Finish & Reboot
--
Keep this page in foreground during OTA.

Live Console

Auto-scroll
INFO0
TX0
RX0
ERR0
▣ OTA transaction logHEX view FEE1

Notes

Chrome / Edge recommended. Use HTTPS or localhost. iPhone Safari does not support Web Bluetooth.
OTA firmware: CH32V208 OTA HEX should normally start from 0x00004000. Debug firmware starts from 0x00000000.