Air quality monitor system with Mega2560 R3 board and MQ135 sensor.
License: MIT License
Air quality monitor system with Mega2560 R3 board and MQ135 sensor.
| Arduino Mega | MQ-135 |
|---|---|
| 5V | Vcc |
| GND | GND |
| A0 | A0 |
| Arduino Mega | Lcd |
|---|---|
| - Breadboard (gnd) | K |
| 5V | A |
| 2 | D7 |
| 3 | D6 |
| 4 | D5 |
| 5 | D4 |
| 11 | E |
| - Breadboard (gnd) | RW |
| 12 | RS |
| 6 | V0 |
| + Breadboard (5v) | Vdd |
| - Breadboard (bnd) | Vss |
| Arduino Mega | DHT11 |
|---|---|
| 29 | Signal |
| + Breadboard (5v) | Vcc |
| GND | GND |
| Arduino Mega | RGB Led | |
|---|---|---|
| 39 | 220 Ohm Resistor | Red Pin |
| GND | Cathode (GND) | |
| 37 | 220 Ohm Resistor | Green Pin |
| 35 | 220 Ohm Resistor | Blu Pin |
| Arduino Mega | Breadboard |
|---|---|
| GND | - (GND) |
| 5V | + (Vcc) |
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