# Temperatuur sensoren



# DHT22 temperatuur en vochtigheid sensor

[![DHT22-Sensor-Pinout.png](https://www.linuxfun.nl/uploads/images/gallery/2023-09/scaled-1680-/dht22-sensor-pinout.png)](https://www.linuxfun.nl/uploads/images/gallery/2023-09/dht22-sensor-pinout.png)

#### **Pin Identification and Configuration**

<figure class="wp-block-table" id="bkmrk-no%3A-pin-name-descrip"><table><tbody><tr><td>**No:**</td><td>**Pin Name**</td><td>**Description**</td></tr><tr><td>**For DHT22 Sensor**</td></tr><tr><td>1</td><td>Vcc</td><td>Power supply 3.5V to 5.5V</td></tr><tr><td>2</td><td>Data</td><td>Outputs both Temperature and Humidity through serial Data</td></tr><tr><td>3</td><td>NC</td><td>No Connection and hence not used</td></tr><tr><td>4</td><td>Ground</td><td>Connected to the ground of the circuit</td></tr><tr><td>**For DHT22 Module**</td></tr><tr><td>1</td><td>Vcc</td><td>Power supply 3.5V to 5.5V</td></tr><tr><td>2</td><td>Data</td><td>Outputs both Temperature and Humidity through serial Data</td></tr><tr><td>3</td><td>Ground</td><td>Connected to the ground of the circuit</td></tr></tbody></table>

[![DHT22-pcb.jpg](https://www.linuxfun.nl/uploads/images/gallery/2023-09/scaled-1680-/dht22-pcb.jpg)](https://www.linuxfun.nl/uploads/images/gallery/2023-09/dht22-pcb.jpg)

#### **DHT22 Specifications**

- Operating Voltage: 3.5V to 5.5V
- Operating current: 0.3mA (measuring) 60uA (standby)
- Output: Serial data
- Temperature Range: -40°C to 80°C
- Humidity Range: 0% to 100%
- Resolution: Temperature and Humidity both are 16-bit
- Accuracy: ±0.5°C and ±1%

</figure>###### BRON:

[Components101](https://components101.com/sensors/dht22-pinout-specs-datasheet)

<figure class="wp-block-table" id="bkmrk-%C2%A0-1"></figure>

# DS18B20 temperatuur sensor

[![DS18B20-pinout.jpg](https://www.linuxfun.nl/uploads/images/gallery/2023-09/scaled-1680-/ds18b20-pinout.jpg)](https://www.linuxfun.nl/uploads/images/gallery/2023-09/ds18b20-pinout.jpg)

[![DS18B20-ESP8266.jpg](https://www.linuxfun.nl/uploads/images/gallery/2023-09/scaled-1680-/ds18b20-esp8266.jpg)](https://www.linuxfun.nl/uploads/images/gallery/2023-09/ds18b20-esp8266.jpg)

[![DS18B20-Circuit-Diagram.png](https://www.linuxfun.nl/uploads/images/gallery/2023-09/scaled-1680-/ds18b20-circuit-diagram.png)](https://www.linuxfun.nl/uploads/images/gallery/2023-09/ds18b20-circuit-diagram.png)

#### **DS18B20 Sensor Specifications**

- Programmable Digital Temperature Sensor
- Communicates using 1-Wire method
- Operating voltage: 3V to 5V
- Temperature Range: -55°C to +125°C
- Accuracy: ±0.5°C
- Output Resolution: 9-bit to 12-bit (programmable)
- Unique 64-bit address enables multiplexing
- Conversion time: 750ms at 12-bit
- Programmable alarm options
- Available as To-92, SOP and even as a waterproof sensor

###### BRON:

[Components 101](https://components101.com/sensors/ds18b20-temperature-sensor)