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[DIY] Make a low-cost LED light tester. You can do it yourself. ✅ Today I have another DIY project close to me to try. Nowadays, most of the lighting devices in our homes have changed to LED bulbs, right? This time when these lights break, we mostly throw them away and buy new ones. In fact, LED bulbs don't break easily. So how do we know if they are really broken? Today I will make an LED bulb tester. This device will be used to test if the small LED bulbs we use in various devices are broken. This device can be tested by poking at the terminals of each bulb. The device will adjust the voltage to be appropriate for each bulb. Therefore, we can measure many types of bulbs. Equipment we will use - 1 18650 Li-ion battery - 1 18650 battery slot - Plastic box - Voltage meter 3-wire digital voltmeter - DC-DC Step up voltage booster circuit or Boost converter (XL6009) - 3.3k ome resistor - Switch - 1 set of wires with clamps ✅ 18650 battery ???? Lazada product coordinates: https://s.lazada.co.th/s.OPugW?cc ???? Shopee product coordinates: https://shope.ee/B5FdUqzpq ???? Shopee product coordinates: https://shope.ee/AUVRwYPJIG ✅ Good quality second-hand 18650 batteries that I often buy ???? Shopee product coordinates: https://shope.ee/8A8WYFyiyE ✅ Plastic box ???? Lazada product coordinates: ???? Shopee product coordinates: https://s.shopee.co.th/30SL54Dk7U ✅ DC-DC Step up voltage booster circuit or Boost converter (XL6009) ???? Product coordinates Lazada: https://s.lazada.co.th/s.oW97S ???? Product coordinates Shopee: https://s.shopee.co.th/7AIHGcR1c2 ✅ Voltage meter 3-wire digital voltmeter ???? Product coordinates Lazada: https://s.lazada.co.th/s.oW9S2 ???? Product coordinates Shopee: https://s.shopee.co.th/AKFJ2XGsRE ✅ Resistor size 3.3k ome ???? Product coordinates Lazada: https://s.lazada.co.th/s.oW967 ???? Product coordinates Shopee: https://s.shopee.co.th/6fM0fbe5CK Index chapter 00:00 Introducing the LED bulb tester 02:46 Equipment used 05:05 Assemble the LED bulb tester circuit 10:34 Test the circuit 13:56 Test the usage 20:14 Conclusion #LED light tester #LED tester #LED bulb tester #diy