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Materials shown in the video: Voltmeter ammeter: https://amzn.to/2AV5PuT or https://amzn.to/2AUe2zr or https://amzn.to/2zWVWMF 4mm banana plugs with M4 thread: https://amzn.to/2zWV1Md or https://amzn.to/36og0DF Black and red banana plugs: https://amzn.to/3bXEW66 or https://amzn.to/2Tybnlg Junction box: https://amzn.to/2WSXws0 Test lead set: https://amzn.to/2Z0yXe5 Test leads with clamp: https://amzn.to/2yTCTTj or https://amzn.to/3cwLRnY Tools: Crimping tool: https://amzn.to/2ZqXlWx or https://amzn.to/2zn1Re0 Round Faston Terminals: https://amzn.to/3gigksb or https://amzn.to/2LTDffG Precision Open-End Wrenches: https://amzn.to/3bZMJ3s Wire Strippers: https://amzn.to/3ecpHYO Precision Cutting Pliers: https://amzn.to/3ehMbrr or https://amzn.to/3bVxEQv If you prefer to make soldered connections: Soldering Iron: https://amzn.to/2Zh5L2s Stand: https://amzn.to/2Zfy8y8 Lead-Free Tin: https://amzn.to/2XbXASn or https://amzn.to/2z0neSn Flux: https://amzn.to/2Zi5YlZ or https://amzn.to/2ZhKbew Hole Desoldering Needles: https://amzn.to/3cJ1U2n or English: https://amzn.to/2X9WsyL or https://amzn.to/2X931BJ Copper desoldering wick: https://amzn.to/3g4sx3w or https://amzn.to/3dWWYa7 Solder vacuum cleaner: https://amzn.to/2WJg5P7 or https://amzn.to/2Tlmle1 Third hand: https://amzn.to/3dXtt85 If you are looking for a power supply: DC 0-30V / 5A power supply: https://amzn.to/3cJglTv DC 0-30V / 5A power supply: https://amzn.to/2xWG38d Minleaf 30V 10A power supply: https://www.banggood.com/es/Minleaf-N... DC 0-30V / 10A power supply: https://amzn.to/2VAARQG DC power supply 0-32V/10.2A: https://amzn.to/2xTLcxX DC 1-30V/0-20A power supply: https://amzn.to/2XYytoa DC 0-13.8V/30A power supply: https://amzn.to/3eNWggA Programmable DC 0-30V/5A power supply: https://amzn.to/351yF7A AC/DC 1-15V/5A power supply: https://amzn.to/3cFnW5B DC 1-32V/ 0-20A power supply: https://amzn.to/2VThfWL DC 13V/33A power supply with cigarette lighter socket: https://amzn.to/3eGuuml 2-channel DC 0-30V/5A power supply: https://amzn.to/2VwXOE2 Eventek 0-30V power supply 10A: https://amzn.to/2YD7nRY Uniroi 0-32V 10A power supply: https://amzn.to/38uvtmj Baku 15W power supply: https://amzn.to/38qwYSH Lavolta 30V 5A power supply: https://amzn.to/2PxP0tp Velleman laboratory power supply: https://amzn.to/36qvUw2 Many power supplies do not incorporate measuring instruments. Sometimes there is no physical space to install them and in other cases we do not want to damage the power supply box with a bad installation. A simple and functional solution is to build a module, which we can remove and put on whenever we want, with a digital voltmeter and ammeter so that we connect it to the power supply terminals and allow us to measure the current intensity and voltage it supplies us. The construction is very simple and the video is explained step by step.