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/r/diyelectronics

Bench test power supply

21 upvotes • Valyrian_st33l
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ESP8266 based 0-10v dimmer with 220v relay outputs, schematic and PCB design posted.

18 upvotes • konbaasiang
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Ceiling fan remote missing electronic component. What is it? See photos

17 upvotes • Elderberry420
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How to test 12V on power bank

16 upvotes • Longjumping-Rope-237
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Multi-section capacitor (c-ec80-40-30-20) - are the lugs on the shell of the capacitor where I’m supposed to land my neutral/common wire?

15 upvotes • tobyhatesmemes2
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Hacking small voice recorder

14 upvotes • The_Painterdude
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What's wrong with my LED Drivers

13 upvotes • Miles-Ken
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Small LCD/LED screens for dynamic display

11 upvotes • confusedham
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Output capacitor of boost converter exploded

10 upvotes • AppleAssassin
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i feel somewhat dispirited. the excitement i once felt as something worked seems to have gone away. what can i do next?

9 upvotes • Open_Theme6497
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