BMV080 is a low-power, low-cost PM1, PM2.5, and PM10 sensor module with I2C and SPI interfaces that sells for just $29.90.
Update: port for Raspberry Pi Pico in Python in RP2 folder. This I2C to 0-5V/0-10V DAC module can be used to output voltage of 0-5V or 0-10V. It has the following features: Output voltage of 0-5V or 0 ...
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