Build a low-power wearable air quality pendant using STM32 and SGP40 sensor to monitor TVOC levels with RGB LEDs, buzzer alerts, and real-time feedback, ideal for homes, offices, or industrial safety.

README STM32_temp_fan_control University project with STM32F103C8T6 to control fan PWM duty cycle based on DS18S20 temp sensor readings. This circuit uses a STM32F103C8T6 MCU, DS18S20 One Wire temp ...

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