Portable Air Quality Monitor

Back to overview

For those who wonder how safe the air around them is and what can be changed to avoid the negative health effects of polluted air.

Thomas

1
Step 1
Board assembly - SMD
1. Manually apply solder paste
2. Place surface mount components on top using tweezers
3. Heat with hot air to reflow solder
4. Repeat for bottom layer components
2
Step 2
Board assembly - through hole
1. Install and solder connectors (Jx), switches (SWx), and MD4 (CO sensor).
2. Solder super capacitor (C7), trim leads short.
3. Ensure MD1 has been programmed (ESP8266).
4. Solder MD1 and MD2 modules (wifi and uSD).
5. Solder MD3 module (MH-Z19).

Discussions