Tech Explorations Help Desk

When making changes to a circuit, whether you add or remove components, or just re-wiring things, it is best to remove power first.  There are a few goo...

I refer you to the wiring schematic of a push button connected to the Arduino (you may ignore the external LED): Here's what happens when the butto...

To understand the reason, please start by having a look at the datasheet for this sensor (attached with this article), and scroll down to section 7. Jus...

Many cheaper Arduino clones, like this Arduino Nano from Banggood, use a CH340G USB controller in order to bring down the cost. The Mac Os does not come...