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Showing posts from January, 2015

DHT11 incubator with I2C LCD (part 2)

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DESCRIPTION This iteration of part 1 updates code for  button as controls to set the TempTarget and time/duration. DHT11 is applied as a sensor for temperature and humidity. To control temperature, a relay is used and connected to heating elements. Humidity and Temperature are displayed on a 16x2 LCD via I2C/PCF8574. On the next iteration, there will be  humidity control via pneumatic parts However, other incubator implementing LM35 as temperature sensor is already explained  on this link EQUIPMENT IN USE This incubator uses a clone of Arduino UNO, DCcduino with CH340G USB , a DHT11  sensor, a relay, and a LCD 16x2 connected to I2C module (PCF8574 ). DIAGRAM AND PICTURES CODE You may grab the code here