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RP2040-Zero microcontroller
This is a mini version of RP Pico. It fits small project better because you don't need to use all the GPIO anyway. You will have a compact design using this. More important is the price, this one is cheaper that the original Pico.
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SHT31
This Humidity and Temperature sensor is popular thanks to the accuracy and repeatablity. It is much better than DHT11 or DHT22 which are usually come with beginner kit.
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SGP30
Multi-gas (VOC and CO₂eq) sensor.
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0.96" in. oled SSD1306
In this versio I used the 2-colors yellow and blue, you should update the address of the screen in the ssd1306.py (line 105) to 0x3D instead of 0x3C
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