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Videos uploaded by user “sleepyduck”
How to test for faulty NFC Antenna (multimeter continuity test)
 
00:47
Working vs non-working NFC antenna| faulty NFC antenna Items used: 1) Kingzone Z1 (NFC antenna) 2) ZOPO ZP998 custom NFC antenna 3) FLUKE 19 multimeter
Views: 880 sleepyduck
NFC antenna not working demo | Kingzone Z1 problem
 
03:27
Demo on Kingzone Z1 faulty antenna. Item used: 1) Kingzone z1 2) NTAG203 NFC tag url: http://www.nxp.com/products/identification_and_security/smart_label_and_tag_ics/ntag/series/NTAG203.html
Views: 4522 sleepyduck
Xanes 2506-3 Led lamp cannot switch off
 
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Xanes 2506-3
Views: 6 sleepyduck
BrainFPV error | MPU failure #quadcrashed #aftermath
 
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Symptom and probable diagnosis: This video shows 2 blue LED blinks in a looping manner. This can be interpreted as a possible hardware failure on board. The BrainFPV controller has several LED blinking modes to represent a type of failure which in this case is hardware. According to the GitHub wiki, as provided below, the 2 blinks in a loop is panic (2) pointing towards a possible MPU failure. The defective MPU has since been removed. Update: MPU9250 has since been successfully replaced and tested. The test flight shows no signs of abnormalities. Table of fault indicators for the brain: https://github.com/d-ronin/dRonin/wik...
Views: 46 sleepyduck

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