The Keypad library is designed for driving matrix style keypads (matrix decoder) when using the Arduino platform. It uses the standard method of selecting a column and scanning all the rows to see ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Barbara Friedberg is a veteran investment portfolio manager, fintech consultant, and expert investor. She is a published author of several books. Suzanne is a content marketer, writer, and ...

For many small businesses, a laptop computer is the company's lifeline. It allows you to monitor your inventory, prepare documents and reports, and stay connected to the Internet to monitor your ...

This project demonstrates Li-Fi (Light Fidelity) communication between two Arduino boards using visible light for data transmission. Text data is transmitted using an LED and a 4x4 keypad on the ...