Arduino,Temperature,Humidity,a technology Arduino Temperature, Humidity and Dew Point Via Hurimel HS11
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A great option for adding temperature and humidity (and dew point) measurement to the Arduino (and freeduino) is to use the Hurimel HS1101 sensor. It is packages as a small board, approximately 13 x 23 with 4 screw terminals.The only electrical connections are these 4 1 for ground, and 3 I/O pins used on the Arduino 1 analog and 2 digital. The pin references used in this article are taken from a Freeduino BBB board.The 4 pins on the Hurimel are THERM, PULSE, GND and V+. Besides a connection to ground on the Arduino, 3 additional pins will be required an analog and 2 digital pins. One digital pin is used to provide power (+5VDC), in this example, pin 2 is connected to the V+ screw terminal on the Hurimel. Digital pin 5 can be used to count the pulses, connected to the PULSE screw terminal on the Hurimel. Finally an analog input is required for the temperature reading. Analog pin A5 on the Arduino connected to the THERM screw terminal on the Hurimel. Note that a 10k resistor must also be placed between 5V and analog pin A5 on the Arduino.In summary, the electrical connections in this example are: * Arduino BBB digital pin 2 Hurimel V+ screw terminal * digital pin 5 Hurimel PULSE terminal. * GND pin/connection Hurimel GND terminal. * Arduino BBB analog pin A5 Hurimel THERM terminal. * analog pin A5 10k resistor Arduino BBB GND +5v DC pin/connectionIn a future article, the Arduino source code required to read the temperature, humidity and dew point measurements will be discussed.Check out http://www.n1van.com for more electronics and amateur radio related information.
Arduino,Temperature,Humidity,a