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Simple audio power amplifier A kit with the PCB and all the needed components (except Before connecting the amplifier di
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Audio DAC for RPi
This is an Audio DAC designed for the Raspberry Pi. Using app Volumio it can be used as a stand alone networked Audio Pl
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555 Class D Power Amplifier [130144
With this project, I like to build a small class D amplifier based on a 555 timer IC. I also like to use only “common” c
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Looking Mains Voltage In The Eye And Surviving
It is often a surprise to see how other people react to mains electricity when they encounter it in a piece of equipment
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Aluminum Electrolyte Capacitors Market Expansion Projected to Gain an Uptick During 2029
Aluminum Electrolyte Capacitors Market size is expected to reach US$ 7.77 Bn. by 2029, growing at a CAGR of 2.05% during
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What Happened To The 100,000
Early adopters of LED lighting will remember 50,000 hour or even 100,000 hour lifetime ratings printed on the box. But d
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How to Make an Auto 35mm Film Scanner with Arduino Nano and Python
Waiting while flatbed scanners scan a color negative film is nothing to be excited about. This process and the subsequen
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Have LED Bulbs Reached Their Final (and Cheapest) Form?
[electronupdate] has done a lot of LED light bulb teardowns over the years, witnessing a drive towards ever-cheaper and
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Lander Lab #4: Underwater Releases
Kevin Hardy founded Global Ocean Design after a career at the Scripps... November 2, 2022 Figure 1. Schmidt Ocean Instit
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Retrotechtacular: Solder Like Its 1944!
When we first saw this 1944 US Office of Education film about hand soldering, we figured it might still have some good i
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When Life Gives You No MLCCs, Make Use of Polymer Capacitors
Unless you have been living under a rock for the last 12 months, the following news will not be new to you - yet affecti
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Flying Capacitors in PV Booster stages
In a flying capacitor multi-level converter, additional (intermediate) voltage levels (beyond the two levels naturally g