ESP 32 Hauptplatine
| ESP 32 |
I/O |
Bezeichnung |
| 5V |
|
Spannungsversorgung für
Feinstaubsensor |
| 3,3V |
|
Spannungsversorgung für
Temperatursensor(DHT22) |
| GND |
|
Ground |
| |
|
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| |
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ESP32 - DHT22
ESP32
Port |
I/O |
DHT22 |
I/O |
Bezeichnung |
| 3,3V |
|
1 |
I |
VDD |
| GPIO23 |
I |
2 |
O |
Data |
| GND |
|
4 |
|
Ground |
ESP32 - SDS011
ESP32
Port |
I/O |
SDS011 |
I/O |
Bezeichnung |
| 5V |
O |
3 |
I |
VDD 5V |
| GND |
O |
5 |
I |
Ground |
| GPIO 17 |
O |
6 RX |
I |
UART Schnittstelle |
| GPIO 16 |
I |
7 TX |
O |
UART Schnittstelle |
ESP32 -SDS018
ESP32
Port |
I/O |
SDS018 |
I/O |
Bezeichnung |
| 5V |
O |
3 |
I |
VDD 5V |
| GND |
O |
5 |
I |
Ground |
| TX |
O |
6 RX |
I |
UART Schnittstelle |
| RX |
I |
7 TX |
O |
UART Schnittstelle |
DHT22 PIN Belegung
| Connector Pin-out |
Name |
| 1 |
VDD |
| 2 |
DATA--signal |
| 3 |
NULL |
| 4 |
GND |
SDS011 PIN Belegung
| Connector Pin-out |
Name |
Comment |
| 1 |
CTL |
control pin,backup |
| 2 |
1μm |
PM2.5 0-999ug/m³,PWM Output |
| 3 |
5V |
5V Input |
| 4 |
25um |
PM10 0-999 ug/m³,PWM Output |
| 5 |
GND |
Ground |
| 6 |
R |
RX of UART（TTL） |
| 7 |
T |
TX of UART（TTL） |
SDS018 PIN Belegung
| Connector Pin-out |
Name |
Comment |
| 1 |
NC |
Not Connect |
| 2 |
1μm |
PWM output,（default） |
| 3 |
5V |
5V Input |
| 4 |
2.5μm |
PWM output,( for customized output ） |
| 5 |
GND |
Ground |
| 6 |
R |
RX of UART（TTL）@3.3V |
| 7 |
T |
TX of UART（TTL）@3.3V |
LoRa-WAN |
