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Low cost homemade transformer, with the current and voltage you want. ⏩ https://www.pcbway.es/activity/4th-pc... ⏩ https://www.pcbway.es/?from=Channel%2... . With this transformer we will make a bench power supply (rectifier bridge, filter capacitor, voltage regulator and learn the calculations). -------------------------------------------- PCBWAY contest (1,500USD = R$8,000.00): PCBWAY: https://www.pcbway.es/activity/4th-pc... Quality electronic boards: https://www.pcbway.es/?from=Channel%2... -------------------------------------------- Materials: 1 - microwave transformer 4 - diodes (1n5408) or another of your need 1 - electrolytic capacitor 1000uf 50V *Flexible wire like the one taught in the video. -------------------------------------------- Awesome projects with the homemade transformer: Spot welding: • how to make a SPOT WELDING MACHINE ( ... Welding machine: • how to make a WELDING MACHINE ( 10 ... Metal engraving machine: • How to make a Metal Engraving Machine ... -------------------------------------------- Extra support videos: Assembling the source step by step on the protoboard: • Homemade bench source (Make your own) Assembling in the software and having it manufactured: • How to make a printed circuit board ...