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DeskBrightness turns your Android phone into a wireless ambient light sensor. It reads your phone's light sensor over ADB and automatically adjusts your Windows monitor brightness in real time — no extra hardware needed.
Most desktop PCs lack a built-in ambient light sensor. DeskBrightness fills this gap by using your phone's existing sensor, bringing adaptive brightness to any setup: desktop towers, multi-monitor workstations, or laptops with external displays.
The brightness curve is calibrated to match human eye perception using a logarithmic mapping, with configurable sensitivity, smoothing, and hysteresis. It supports both DDC/CI (direct monitor control) and WMI fallback for laptops. Connection is via USB or wireless ADB debugging.
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