If you’re reading Hackaday, you almost certainly have a voltmeter. Matter of fact ... On the receiver side, there’s an OLED screen, another nRF radio module, and an Arduino Nano.

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 ...

This, however, wasn’t quite good enough for Anthony Garofalo, who instead converted a prototype voltmeter he made using an Arduino Uno and a tiny OLED display into something that displays the ...

YouTube DIYer Educ8s builds a cheap voltmeter for less than $10 using an Arduino and a voltage sensor. A multimeter that measures voltage is one of those devices every electronics tinkerer should ...

Then I came across something very interesting. A set of two OLED displays with a 1.3” screen size. Very small but should be good for some Arduino projects, right? After a quick skim over the ...

Arduino is little open source circuit board ... The latest addition to the project is LiquidWare’s TouchShield, an sensitive OLED that sits on top of the main board. Here it interacts with ...

Do you desire a teeny, tiny, little Arduino board with OLED display? You bet you do! Microview is a new “chip-sized” Arduino on Kickstarter that costs $45. What can it do? All kinds of stuff!