Comments on: Low Voltage Polarity Checker https://jestineyong.com/low-voltage-polarity-checker/ Semiconductors, Test Equipments, Circuit Board Troubleshooting, Electronic Repair Courses and Many More! Tue, 10 Nov 2015 00:34:39 +0000 hourly 1 https://wordpress.org/?v=5.4.21 By: Chris https://jestineyong.com/low-voltage-polarity-checker/comment-page-1/#comment-265064 Tue, 10 Nov 2015 00:34:39 +0000 https://www.jestineyong.com/?p=10230#comment-265064 Great job and I will preferred to all technicians who repair car electronic in the car does they build up one of this device.
It lite nice and wont harm the sensitive car computers...

My best regards.

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]]> By: Robert Calk https://jestineyong.com/low-voltage-polarity-checker/comment-page-1/#comment-259547 Wed, 14 Oct 2015 03:00:33 +0000 https://www.jestineyong.com/?p=10230#comment-259547 Hi Er. Gautam Mahaat Hazarika,
The cheapest way is to use an analog VOM that has the X10K and will have the 9V battery besides the 2 AA batteries. Then if you can't afford Mr. Yong's ebooks or other electronics books, then just google,"testing transistors" and you will find a website to help you.

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]]> By: Er. Gautam Mahaat Hazarika https://jestineyong.com/low-voltage-polarity-checker/comment-page-1/#comment-259451 Tue, 13 Oct 2015 13:01:33 +0000 https://www.jestineyong.com/?p=10230#comment-259451 Really great to have a such a low cost low polarity tester. Great Job at your end. Can you have an idea of making a low cost transistor tester. Like to find out which terminal is base,emitter or collector.

With Regards
Er. Gautam Mahaat Hazarika

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