Here is a useful circuit for Arduino lovers and experimenters. It is a simple digital voltmeter, which can safely measure input dc voltages in 0 to 30V range. The Arduino board can be powered from a ...

If you are designing your own intelligent “Graden Computer” with an optional digital plant moisture sensor/water pump controller that lights an LED to alert the user when it is time to water a potted ...

Canadian electronics geek and nascent YouTuber [Technoyaki] wanted to measure 20 volt signals on his Arduino ... design and his experiments. Even though this isn’t quite a cut-and-paste circuit ...

In 3D modeling, precise and fluid navigation around a digital object is essential. Even though there are plenty of commercial ...

The circuit in (a) senses a high-side digital input, and the circuit in (b) shows the connection for a low-side digital input. Fig 2. These flow charts show the programming for a high-side digital ...