@tutorials: Recent Tutorials
30 Jun, 2026 by @ELECTRONOOBS

DevBoard - Multimeter board for testing with Arduino

Using this board you could learn how to make each part of my Arduino based multimeter from previous episodes. You have a...

29 Jun, 2026 by @ELECTRONOOBS

Filament from Bottle

For a while I’ve been watching PET bottles filament maker projects on YouTube. There are a lot of them, and I have to ...

29 Jun, 2026 by @ELECTRONOOBS

Arduino based multimeter

Measure voltage is very easy. In this tutorial we make a 5 in 1 multimeter based on an Arduino, an ADC module and an LC ...

28 Jun, 2026 by @ELECTRONOOBS

Handheld Multimeter

This device can measure anything, anything. Even the flatness of the earth. Naah guys, just kidding. But I think this wi...

28 Jun, 2026 by @ELECTRONOOBS

ESP32 LAN IOT control examples

Do you want to learn how to make this? (show a real example of turning on a light bulb with a Relay and ESP32 and the we...

23 Jun, 2026 by @ELECTRONOOBS

Homemade MSLA printer ESP32 Arduino TFT display

In 2021 I've started working on a concept: A small Arduino abser MSLA printer and you have that post here. It was small,...

23 Jun, 2026 by @ELECTRONOOBS

Arduino Reflow Hot Plate - V2

Hey guys. This will be a low-cost reflow hot plate for SMD components and will be homemade. If you remember, a few weeks...

22 Jun, 2026 by @ELECTRONOOBS

Dual Rail Supply Circuit

Double rail means that it could give both positive and negative values, for example +12V and -12V. Usually my projects w...

20 Jun, 2026 by @ELECTRONOOBS

Homemade Solar BMS 100A With ESP32 and LAN server

I’ve made a homemade and powerful solar BMS system and I want to show you how to make one, is fully open source. Solar...

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