Bill
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Bill 10/11/2019
Your rating of Vcc up to 25v or 40v is wrong. When running at Vcc = 15v, I experienced a short circuit across the supply in first case and in second case, a bang and a flash of light when a component blew up ! These devices have a 10 volt capacitor across the supply voltage - any attempt to run above 10v will blow this component. This happened twice before I realised the source of the problem. I have replaced the surface mount 10v 47uf capacitor with a 25v 47uf radial capacitor. Once modified they seem to operate well.
CJMCU-3386 MC33186DH1 Automotive Computer Board Idle Speed Throttle Driver Board A H Bridge Sensor Module
US$7.71 US$13.99
9
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SPPC bluetooth Serial Adapter Module Wireless Serial Communication from Machine AT-05 Replace HC-05 HC-06
US$5.79 US$5.00

Q: I need to have a copy of the document declaring lead free and compliance with RoHS. This is required to allow me to sell into EU market. Can you provide this document ?

Asked by Bill on 2020-02-13 05:26:32

wujiahui Sorry, we do not have this file.

2020-02-14 11:14:27 Helpful (0)
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SPPC bluetooth Serial Adapter Module Wireless Serial Communication from Machine AT-05 Replace HC-05 HC-06
US$5.79 US$5.00

Q: Is this module compliant to RoHS (lead free) ?

Asked by Bill on 2020-02-13 08:41:41

wujiahui Yeah,that is right.

2020-02-13 10:58:32 Helpful (0)
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CJMCU-3386 MC33186DH1 Automotive Computer Board Idle Speed Throttle Driver Board A H Bridge Sensor Module
US$7.71 US$13.99

Q: Is the 5v pin an output from a regulator? If so how much current can it deliver ?

Asked by Bill on 2019-10-22 03:54:12

Protistology 5V for input

2019-10-28 03:20:33 Helpful (0)
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