add clarification for firmware requirement

This commit is contained in:
HL Yi
2026-06-21 13:21:06 -05:00
parent f76ccaf3d8
commit c61e94527e
+4 -1
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@@ -115,7 +115,10 @@ Install with:
pip3 install smbus2
```
## Common Usage Patterns
## Common Use Cases
Both `i2c_read_rtl_gpio.py` and `i2c_dump_rtl_regs.py` shall run with the **original** firmware, not RTLPlayground firmware.
### Monitoring GPIO Changes
```bash