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Homemade electronic tool, made with scrap, works with any multimeter. 🔥 Elecrow ▶ https://www.elecrow.com/?idd=3=CXP 🔥 ▶ $1 for 10 PCBs Materials: 2 - Capacitor 2.2uF (225) / 250V 1 - Capacitor 470nF (474) / 250V 1 - Male plug 1 - Resistor 3.3K 1 - Resistor 470K 2 - Resistor 1M 2 - Diodes 1N4007 1 - Any multimeter ▶Schematic and Gerber: https://drive.google.com/drive/folder... ▶With this tool we can find out the voltage of LEDs, zener and diodes, an unprecedented project on youtube, secret function of multimeters. 👍 Follow Canal XProjetos on our social networks: ▶ Instagram: / canalxprojetos ▶ TikTok: / canalxprojetos