Making an Arduino shield can be simpler than you think. This time I designed one to program Attiny and Atmega ...

I had this idea of building my own bicycle lighting system totally personalized, the lights would have the exact lighting pattern I wanted and the shape I decide. That's why I started to build this ...

Power adapter for Dell laptops contains IC to determine adapter capabilities (watts, voltage, current). If you connect an unoriginal adapter, the laptop refuses to charge the battery. This project ...

The main function of the ATtiny is acting as a battery friendly low power co-processor for the ESP. A bit like the ULP low power co-processor of the ESP32, except with a lot more IO functions and ...

When your GPU fan goes rogue with an unholy screech, you either shell out for a new one or you go full hacker mode. Well, [ashafq] did the latter. The result is a delightfully nerdy fan controller ...

Unlike Texas Instruments, whose graphing calculators have famously not made technological improvements in decades despite keeping the same price tag, HP has made a few more modern graphing calculators ...

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 ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Marguerita is a Certified Financial Planner (CFP), Chartered Retirement Planning Counselor ...

On March 31, 2026, the Federal Court will hold a hearing to decide whether it will approve a proposed settlement agreement in the Sweet Class Action. Learn more about the proposed settlement and ...

The National Research Council of Canada Industrial Research Assistance Program (NRC IRAP) is Canada's leading innovation assistance program for small and medium-sized businesses. If you operate an ...

Find out more about what students learn in Alberta's K to 12 education system and get resources to support their learning. We recognize that parents play an important role in shaping the way their ...