Arduino Uno LM35 Temperature Sensor DC Fan (5V or 12V) Transistor (TIP120 or BC547 for small fans, IRF540 for large fans) Diode (1N4007) – To prevent back EMF Resistor (1kΩ) 12V Power Supply (if using ...

In our case fanSpeed will have a value of 32 at tempMin and 255 at tempMax. These values are used to control the speed of the fan using PWM and the analogWrite(). The fanLCD re-maps the temp to allow ...

Arduino Uno Strain Relief. 24 Comments . by: Will Sweatman. October 7, 2017. Title: ... has had it with loose jumpers pulling out of his Uno, so he designed a case that not only secures the ...

ELK Junior Arduino Uno Case Includes Keypad, LCD And More. 10:08 am April 1, 2015 By Julian Horsey.

With this circuit, we will be able to adjust the fan speed in our home or office according to the room temperature and also show the temperature and fan speed changes on a 16x2 LCD display. To do this ...