After this tedious step, he designed a PCB that hosts an Arduino Nano to accept input, two MCP23017 GPIO expanders to give it enough outputs, and CD4066BE CMOS switches to trigger the connections.

For more advanced security applications, you might also want to explore our RFID door lock system using Arduino, which shares similar hardware components. At its core, the system offers automatic ...

Download all the source files and open examples/ * / *.ino in arduino IDE. Compile and download and run it on a arduino board. The SGP30 uses a dynamic baseline compensation algorithm and on-chip ...

Local authorities will be forced to increase council tax and make further cuts despite some of the ‘positive’ funding commitments in the Spending Review, council chiefs say. The Chancellor announced ...

Councils will have to wait until the autumn for details of reforms to services for children with Special Educational Needs and Disabilities (SEND). The Treasury's Spending Review, published today, ...

Developed an interactive LED array using Arduino, potentiometer, and photocell. LEDs light up progressively based on potentiometer input, but only under dark conditions. Serial monitor displays ...

So, whether you plan to mount it on a flagpole, no need to hire an expert as you can DIY. Making this product stand out from the rest is the photocell sensor that will be auto-on and -off according to ...