/challenges-projects/design-challenges/sustain-the-world-design-challenge/b/blog/posts/setting-hardware-part-2-blog-3We will continue setting the hardware, we will talk about the environmental sensors and the display. We had available the DHT11 sensors, the popular temperature and humidity sensor, the MQ135 Air Quality Meter, the MQ7 CO sensor and the sensor supplien-USTelligent Community 12