"GREAT" Meter! The HP 419A DC Null Voltmeter, [RESTORATION]
Автор: Mr Carlson's Lab
Загружено: 2020-02-27
Просмотров: 319440
Lets make this Hewlett Packard, HP 419A DC Null Voltmeter work again! Very useful information regarding the chopper circuit, and how to make it dependable. Also in this video, Mr. C shares his custom designed circuit to replace the original neon chopper board. Click the SHOW MORE tab below to expose links.
To learn more about electronics in a very different and effective way, and gain access to Mr Carlson's personal designs and inventions, visit the Mr Carlson's Lab Patreon page here: / mrcarlsonslab
The official collectible 2020 Mr Carlson's Lab Calendar is available now, but not for much longer! Here is the link to order: https://www.bookdepository.com/Mr-Car...
#learnelectronics #restorationvideos #fixelectronics
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