DIY variable bench power supply (less than 10$)

Easy to make, homemade PC variable bench power supply. It has a variable current limit and variable output from 1 to 26 volts. Costs less than 10 dollars to make. You have all the links below. Remember to check my PATREON page and webpage of the tutorial. Also check the power supply moudle coupons below. Thank you!
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Programmable Supply Power Module:
More Arduino Accessories:
Mid-year Electronic Promotion:
Help my projects on Patreon :
my Q&A page:
Canal en Español:
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Current meter:
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DIY bench power source webpage:
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Full part list:
Boost/Buck converter:
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Schematic:
Case plans:
Front label:
PRINTERS
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Ender 3(167€):
SparkMaker SLA:
Crealitu CR10:
Coupon code: "11CR10EU" or "11CR10US"
ANET E10 (219$):
Coupon code: "Anete10us"
TEVO Tarantula (175$):
Coupon code: "Tarantulaus"
Creality CR10 MINI:
COUPON: CR10MINI
Anet A8:
Coupon code: "A8KIDA"
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