This article describes a iow-cost energy controller for a standard 12 V 30 W soldering iron. A PIC18F4520 delivers a controlled pulsewidth modulated energy supply to the soldering iron, in addition the unit functions as a two-input digital voltmeter. The author is a radio amateur and a member of the German Amateur Radio Club (DARC). Each year the club organises a practical activity for the younger electronics enthusiasts to occupy them during the holidays. Every year the members come up with a new circuit design to build, the main criteria are that is should be low-cost, useful, simple and fun to build. The project described here was the subject of one of these events.
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机译：本文介绍了一种用于标准12 V 30 W烙铁的低成本控制器。 PIC18F4520为烙铁提供受控的脉冲宽度调制能量供应，此外，该单元还用作两输入数字电压表。作者是无线电业余爱好者，也是德国业余无线电俱乐部（DARC）的成员。每年，俱乐部都会组织一次实践活动，供年轻的电子发烧友在假期中使用。成员们每年都会提出一个新的电路设计方案，其主要标准是建造成本低，实用，简单且有趣。这里描述的项目是这些事件之一的主题。
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