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!
🔬PRINTERS FDM
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All printers: http://bit.ly/2lPkaS7
Artillery Sidewinderr X1 (333€): https://bit.ly/3fRcLbX
→ Coupon (324€) "D4FF9E1BE8227001"
Artillery GENIUS (245€): https://bit.ly/3hz9GNY
→ Coupon (241€) "H4FF9DA22F227000"
Creality3D Ender 3 (178€): https://bit.ly/2WOzQEw
→ Coupon (157€) "F4FE9A937B5EB000"
Creality Ender 3 Pro (220€): https://bit.ly/32QIjuH
→ Coupon (157€) "J4FE99F73D5EB001"
Alfawise U30 (181€): https://bit.ly/2BqrZ8O
Alfawise U20 (260€): https://bit.ly/3jxUG4V
Alfawise U50 (190€): https://bit.ly/2Br215b
Crealitu CR10 (345€): https://www.banggood.com/custlink/mvKma1cjDM
Creality CR20 (363€): https://www.banggood.com/custlink/KvDml1pOvw
TEVO Tarantula Pro (192€): https://bit.ly/3jErZn8
Anycubic MEGA- S (307€): https://bit.ly/30CP3tA

🔅PRINTERS RESIN
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Anycubic Photon SLA (309€): https://www.banggood.com/custlink/mKDGjTcjyF
Alfawise W10 SLA (184€): https://bit.ly/30ABjPS
Longer Orange 10 (166€): http://bit.ly/2mkgCaN
Elegoo Mars SLA (210€): https://bit.ly/3hvk0GT
Help my projects on Patreon : https://www.patreon.com/ELECTRONOOBS
my Q&A page: http://electronoobs.com/eng_preguntas.php
Canal en Español: https://www.youtube.com/channel/UCL_QvUUeriC6q610RCXDlSQ
------------------VIDEOS------------------
Current meter: https://www.youtube.com/watch?v=mcDITdXGZDc
------------------LINKS--------------------
DIY bench power source webpage: http://www.electronoobs.com/eng_circuitos_tut11.php
----------------MATERIAL----------------
Full part list: http://www.electronoobs.com/eng_circuitos_tut11_material.php

Boost/Buck converter: https://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_id=114&ipn=icep&toolid=20004&campid=5338106513&mpre=http%3A%2F%2Fwww.ebay.com%2Fitm%2FDC-DC-Step-Up-Down-Boost-buck-Voltage-Converter-Module-LM2577S-LM2596S-Power-N2-%2F400985223988%3Fhash%3Ditem5d5c94f334%3Ag%3AHhsAAOSwgQ9VpIkZ
----------------DOWNLOADS-----------
Schematic: http://www.electronoobs.com/eng_circuitos_tut11_schematic.php
Case plans: http://www.electronoobs.com/eng_circuitos_tut11_plans.php
Front label: http://www.electronoobs.com/eng_circuitos_tut11_label.php
PRINTERS
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Ender 3(167€): https://www.gearbest.com/3d-printers-3d-printer-kits/pp_1845899.html?wid=1433363&lkid=15361952
SparkMaker SLA: https://www.gearbest.com/3d-printers-3d-printer-kits/pp_009472956105.html?wid=1433363&lkid=14610954
Crealitu CR10: https://www.gearbest.com/3d-printers-3d-printer-kits/pp_441282.html?lkid=11382974
Coupon code: "11CR10EU" or "11CR10US"
ANET E10 (219$): https://www.gearbest.com/3d-printers-3d-printer-kits/pp_664899.html?wid=44&lkid=13867473
Coupon code: "Anete10us"
TEVO Tarantula (175$): https://www.gearbest.com/3d-printers-3d-printer-kits/pp_628789.html?wid=44&lkid=13867477
Coupon code: "Tarantulaus"
Creality CR10 MINI: https://www.gearbest.com/3d-printers-3d-printer-kits/pp_778274.html?lkid=11814180
COUPON: CR10MINI
Anet A8: https://www.gearbest.com/3d-printers-3d-printer-kits/pp_337314.html?lkid=13060560
Coupon code: "A8KIDA"
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Видео DIY variable bench power supply (less than 10$) канала Electronoobs