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Andy Fierman

Elecronics professional and simulation junkie

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andy-fierman
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This user joined on 03/23/2016.

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A protected automotive 12V to 5V step down power adapter to safely charge devices such as smartphones and tablets.
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Automotive 12V to USB 5V 2A output power adapter

andy-fiermanAndy Fierman

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An LM386 based low power amplifier designed to deliver up to about 500mW into an 8 Ohm speaker when run from a 9V battery.
Project Owner Contributor

Tesseract Guitar Practice Amp

andy-fiermanAndy Fierman

Things I've Built

Automotive 12V to USB 5V 2A output power adapter

This project presents a protected automotive 12V to 5V step down power adapter to safely charge devices such as smartphones and tablets at up to 2A from a USB socket. It is designed for use in older vehicles lacking USB charger sockets.

Tesseract Guitar Practice Amplifier

The EasyEDA "Tesseract" DIY Guitar Practice Amplifier is an LM386 based low power amplifier designed to deliver up to about 500mW into an 8 Ohm speaker when run from a 9V battery.

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Telemetry, Internet of Things, SCADA, Environment monitoring, Home automation, arduino module, IoT, Dashboard
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