Temperatuur sensoren

DHT22 temperatuur en vochtigheid sensor
Pin Identification and Configuration 
 
 
 
 
 No: 
 Pin Name 
 Description 
 
 
 For DHT22 Sensor 
 
 
 1 
 Vcc 
 Power supply 3.5V to 5.5V 
 
 
 2 
 Data 
 Outputs both Temperature and Humidity through serial Data 
 
 
 3 
 NC 
 No Connection and hence not used 
 
 
 4 
 Ground 
 Connected to the ground of the circuit 
 
 
 For DHT22 Module 
 
 
 1 
 Vcc 
 Power supply 3.5V to 5.5V 
 
 
 2 
 Data 
 Outputs both Temperature and Humidity through serial Data 
 
 
 3 
 Ground 
 Connected to the ground of the circuit 
 
 
 
 
 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% 
 
 
 BRON: 
 Components101 
 
 
  

DS18B20 temperatuur sensor
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