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Hello friends aaj is video me ham ek universal led tester banayenge. Is tester se all types ki led light sirf 1 second me check kar sakte ho. Used components.
1. Pvc pipe
2. 5v charging module - amzn.to/3tZ3Hun
3. 18650 laptop battery
4. Copper wire
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How To Make Universal Led Tester || कोई भी Led हो सिर्फ 1 सेकंड चेक करेगा
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