REFERENCE home made power supply

[jaymer]

share ko lang to gawa ko wala kasi pambili ng power supply kaya naisip ko gumawa nalang ng sarili kung power supply

materials...
old pc power supply
sirang hot air case
digital volt/ampmeter binili ko sa lazada
sira na inverter para dun sa terminal led nya
COMPONENTS:

1- 1X LM 317
2- 1X D1047 TRANSISTOR
3- 1X BD139 TRANSISTOR
4- 1X 5 K OHM VERIABLE RESISTOR
5- 1X 10 K OHM VERIABLE RESISTOR
6- 1X 4.7 K OHM RESISTOR
7- 1X 4.7 OHM 10 WATT RESISTOR
8- 1X 220 OHM RESISTORS
9- 1X LED
10- 2X2 PIN TERMINAL BLOCKS
11- HEAT SINKS
12- 1X VERO BOARD
13- SOME WIRES

ito video tutorial

https://www.youtube.com/watch?v=m1nCTUrU2YY
https://drive.google.com/file/d/1lgJyeheiR90rJ4RcXkbav8a1nyH7aTAj/view

ito naman yung gawa ko

https://i.imgur.com/kyPhzWL.jpg
https://i.imgur.com/J6CIkAP.jpg
https://i.imgur.com/T4VXdDG.jpg

yung sa amp d ko pa na testing!!

 

[Phonejav2019]

Sir pano mag add ng buzzee dito? Halimbawa shorteD yung phone or baliktad pagkakalagay ng alligator clip. Mag be beep siya