---
title: "Discussion on \"Joule Thief Circuit: Boost Voltage from “Dead” Batteries\" | Hashnode"
description: "Discussion on \"Joule Thief Circuit: Boost Voltage from “Dead” Batteries\". Learn how a tiny DIY boost converter called the Joule Thief can light an LED from a nearly depleted battery — perfect for hobbyists and beginners."
url: "https://hashnode.com/posts/joule-thief-circuit-boost-voltage-from-dead-batteries/696101cad16e0647d07d353b"
---

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# [Joule Thief Circuit: Boost Voltage from “Dead” Batteries](https://electroscopearchive.hashnode.dev/joule-thief-circuit-boost-voltage-from-dead-batteries?utm_source=hashnode&utm_medium=feed)

Learn how a tiny DIY boost converter called the Joule Thief can light an LED from a nearly depleted battery — perfect for hobbyists and beginners.

Jan 9 · 3 min read · electroscopearchive.hashnode.dev  
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-   [#joule](https://hashnode.com/tag/joule)
-   [#circuit](https://hashnode.com/tag/circuit)
-   [#thief](https://hashnode.com/tag/thief)
-   [#electronics-engineering](https://hashnode.com/tag/electronics-engineering)

## Written by

[Electroscope Archive](https://hashnode.com/@electroscopearchive)

@electroscopearchive

  
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Writes about tech. Overthinks it after dystopian movie nights.

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