Diagrams, tutorials, and explanations of practical and educational electronic circuits to assemble at home or in the laboratory.
4-Channel Audio Mixer with LM3900 + PCB 🌐 You can read this article in: Português | Español Hello Everyone! Today, we’re going to embark on a fascinating project: we’ll build an audio mixer circuit, functioning as a sound mixer with…
VU Meter 10 LEDs using the LM3915 IC – Bargraph + PCB 🌐 You can read this article in: Português | Español Hello, electronics enthusiasts! Are you looking for a practical and visual way to monitor the audio level of…
3-Band Passive Equalizer with Bass, Midrange and Treble Control + PCB 🌐 You can read this article in: Português | Español Hello, electronics enthusiasts and audio lovers! Today we’re going to dive into the fascinating world of audio equalizers with…
12V Automatic Battery Charger with UA741 IC 🌐 You can read this article in: Português | Español Hello, electronics enthusiasts! Today we’re going to dive into the fascinating world of automatic battery charging circuits. We’ll present a 13.8V automatic battery…
Compact 80W Sound Amplifier with TDA7294 + PCB 🌐 You can read this article in: Português | Español Compact 80W Sound Amplifier with TDA7294 + PCB Hello everyone! In today’s post, we’ll build a Compact 80W Sound Amplifier using the…
10 LED VU Meter with Transistors – Complete Guide + PCB 🌐 You can read this article in: Português | Español 👋 Hello, electronics enthusiast! Welcome to this complete guide where you will learn step by step how to assemble…
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