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www.righto.com | ||
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nothinguntoward.eu
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| | | | | [AI summary] This is a detailed account of the design and implementation of a trailing edge dimmer circuit for a lamp. The author explored various components and concepts, including current sources, pulse generation, and the challenges of achieving a linear ramp for dimming. Despite the project's complexity, the author found the dimming performance to be less than ideal due to nonlinearity in the ramp and flicker in the output. The project concluded with a decision to pursue an alternative solution, such as a rotary switch, instead of a dimmer. | |
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www.craigstuntz.com
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blog.thea.codes
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| | | | | A comprehensive deep dive into the design of Roland's legendary DCO | |
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www.downtowndougbrown.com
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| | | [AI summary] This article details the process of diagnosing and repairing a Brother fax/printer with a USB failure. The author explores potential causes, such as a faulty A51172-DIANA chip, and attempts various solutions, including replacing the chip, reballing it, and using an EEPROM programmer to bypass proprietary service software. The repair process involves soldering, BGA rework, and testing with an oscilloscope. The author reflects on the challenges of BGA rework, the importance of using an EEPROM programmer for bypassing manufacturer restrictions, and the overall learning experience gained from the repair. The article concludes with the author's satisfaction in successfully repairing the printer and the potential for future improvements or challenges ... | ||
