🔋 BHR Battery Diagnostics Tool

Web-based Firmware Flasher

ℹ️ Browser Requirement: This tool requires Chrome or Edge browser with WebSerial support.

Before You Start:

✅ Connect your ESP32 via USB
✅ Close any serial monitors or Arduino IDE
✅ Make sure you're using Chrome or Edge browser

Flash Firmware

1 Click the button below to start flashing

❌ Web Serial is not supported in this browser. Please use Chrome or Edge. ❌ Permission denied. Make sure you're using HTTPS or localhost.

2 Select your ESP32 device from the popup

3 Wait for flashing to complete (this may take 30-60 seconds)

After Flashing Successfully:

Disconnect and reconnect your ESP32
Open a serial monitor at 115200 baud
Send command: SCAN to scan for battery

Available Commands

            SCAN - Scan I2C bus for battery

            VOLTAGE - Read basic battery info

            FULL - Read full battery diagnostics

            UNSEAL 0xKEY1 0xKEY2 0xREG [0xOPSTATUS] - Unseal battery

            RESET [0xREG] - Send reset commands

            STATUS - Check battery security status

⚠️ Troubleshooting:

If flashing fails, press and hold the BOOT button on your ESP32
Try a different USB cable (data cable, not just power)
Make sure no other program is using the serial port