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Kerry D. Wong

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Reverse Engineering of BK Precision 1696 Switching Power Supply’s LCD Protocol

November 13, 2017 kwong

As mentioned in my previous post, besides the broken LCD there was also an issue with the power supply portion […]

Electronics 7 Segment, BK 1696, BK Precision, LCD, NJU6433F, Programmable Power Supply, Protocol, Reverse Engineering, SDP, SPI, Switching Power Supply

Teardown of a BK Precision 1696 Programmable Switching Power Supply

November 4, 2017November 5, 2017 kwong

I recently picked up a BK Precision 1696 programmable switching power supply off eBay. Unlike many of the vintage test […]

Electronics, Teardowns ADUC831BS, BK 1696, BK Precision, CD4052BC, LM324, MAX202CPE, MAX485, MC33262, NJU6433F, OP27G, OP491G, P781, PFC, Programmable Power Supply, RS-232, RS-485, Switching Power Supply, Teardown, TL494

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