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Hitachi ED-A101 mirror moving system replacement「はじめに」への変更

- Geza Makayによって編集

承認済みの編集 : Geza Makay

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デバイス
[ ]Hitachi ED-A101
Type
[ ]replacement
Thing
[ ]mirror moving system
Title
[ ]Hitachi ED-A101 mirror moving system replacement
Introduction
We have a Hitachi ED-A101 projector. It has a moving mirror, i.e. when it turns on, the mirror opens, and when it turns off, the mirror closes. For this to work, the projector has a DC motor, plastic gears and a metal axe for one of the gears. It is not a good combination, that plastic gear easily wears out because of the sharp edges of the axe. This is a typical problem with this projector. [ … ] We tried to repair the gears (it is not easy to replace the gearbox), we even printed that gear, but it did not work for too long. So we tought of solving this problem in a different way: fix the mirror and simulate the opening/closing process for the projector.
Time Required Min
5時間
Time Required Max
5時間
Imageid
Difficulty
Moderate
Author
Public
いいえ
Summary
[ ]We repaired our Hitachi projector's failing mirror moving system by simulating the opening/closing process using an Arduino and relays.
Featured Documentid

ツール

  • Arduino IDE Software x1 added.

パーツ

  • Arduino Pro Micro x1 added.
  • Arduino relay module x3 added.
  • XL6009 voltage regulator x1 added.
  • 12V to 5V DC anti-reverse voltage regulator x2 added.

フラグ

  • In Progress added.
  • Member-Contributed Guide added.

ドキュメント

  • guide.pdfが追加されました。

手順

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