AirQualityMonitor-Mega2560-MQ135
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) |
Arduino Code.