The GND of the 9V battery is not connected to the GND of the arduino. So, this cause the fan unable to move even if the temperature exceed the threshold temperature. Solution 1. Connect the GND of the ...

I used an LCD shield to display the current temperature and speed of the fan, but you can use the circuit without the LCD display. You also need to select the transistor by the type of fan that you ...

For instance, the Serial Servo Raspberry Pi HAT offers multiple powering options, four Serial Servo connectors, four programmable buttons, an on/off switch, and a 1.14” TFT Display for status ...

The Arduino Servo Cat-a-pult looks to automate this rather annoying daily task. A pressure sensor mat — placed in front of your cat’s food dish — activates the device.

Spin that fan and get up to speed with Matter via Arduino. Must admit I'm not up to speed with Matter, a way to standardise IoT elements. So it's welcome to see a basic introductory tutorial on using ...

James Bruton. How To Make Robots Move Smoothly | Arduino Tutorial. Posted: June 17, 2025 | Last updated: June 17, 2025. AD $2 for 5 PCBs, SMT Assembly fee $0.