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Author Topic: DIY Digital Power Supply..starts HERE  (Read 15977 times)

Offline RaffT

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DIY Digital Power Supply..starts HERE
« on: July 20, 2008, 10:54:42 AM »
 hello  ;D

 may ginagawa ako ngayun... :) pero... di ko pa nasisimulan (sa actual) hehehe
 
 post kayo ng links...

http://microstorage.googlepages.com/pic_psu

yung link sa taas, may simu na akong ginawa sa proteus, PERO PIC/lcd/keypad side palang... simulated sensing of voltages, wala pa...

sana pagtulongan natin  ito :)

I will post a link regarding the sim file later...

proteus SIM file:

http://rapidshare.com/files/131015071/16F876_PS.DSN.html


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DIY Digital Power Supply..starts HERE
« on: July 20, 2008, 10:54:42 AM »

Offline 1110000

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Re: diy digital PS..starts HERE
« Reply #1 on: July 20, 2008, 11:05:38 AM »
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Re: diy digital PS..starts HERE
« Reply #1 on: July 20, 2008, 11:05:38 AM »

Offline RaffT

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Re: diy digital PS..starts HERE
« Reply #2 on: July 20, 2008, 11:10:46 AM »

 ok sana yan... pero may nagbebenta ba ng ATMEL micro  dito sa pinas??
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Re: diy digital PS..starts HERE
« Reply #2 on: July 20, 2008, 11:10:46 AM »

Offline 1110000

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Re: diy digital PS..starts HERE
« Reply #3 on: July 20, 2008, 11:14:31 AM »
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E153C51513

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Re: diy digital PS..starts HERE
« Reply #3 on: July 20, 2008, 11:14:31 AM »

Offline 1110000

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Re: diy digital PS..starts HERE
« Reply #4 on: July 20, 2008, 11:15:53 AM »
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E153C51513

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Re: diy digital PS..starts HERE
« Reply #4 on: July 20, 2008, 11:15:53 AM »

Offline toasted siopao

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Re: diy digital PS..starts HERE
« Reply #5 on: July 20, 2008, 11:16:45 AM »
Ako, meron ako mga atmel micro, ano hanap mo specifically?
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Offline 1110000

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Re: diy digital PS..starts HERE
« Reply #6 on: July 20, 2008, 11:18:42 AM »
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Offline 1110000

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Re: diy digital PS..starts HERE
« Reply #7 on: July 20, 2008, 11:19:35 AM »
P285 po sa RS :D at free shipping yun
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Offline RaffT

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Re: diy digital PS..starts HERE
« Reply #8 on: July 20, 2008, 01:36:21 PM »

 hmmmmm I am MORE interested sa PIC... :) sa ibang uC kasi, gagawa na naman cguro ako ng panibagong hardware noon...
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Offline 1110000

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Re: diy digital PS..starts HERE
« Reply #9 on: July 20, 2008, 02:24:25 PM »
edi gawa po tayo ng sa PIC :D
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Offline rdpzycho

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Re: diy digital PS..starts HERE
« Reply #10 on: July 20, 2008, 05:03:50 PM »
mas mura ata sa Farnell. may ATMega8 ata ako para sana dati sa Arduino. hindi ko maalala kung ATMega8 o ATMega162 ang gagamitin ko sana sa Arduino. nasa least priority na kasi yun sa TODO list ko. hehe.

problema lang sa Farnell, babayaran mo ang shipping kapag konti lang binili mo. hehehe.

DIY programmer:



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Offline RaffT

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Re: diy digital PS..starts HERE
« Reply #11 on: July 20, 2008, 06:37:46 PM »
 ok yan ah.. ;D keep ko muna yan sa "treasure chest" ko heheh

regarding my 1st post above, may ginawa na rin akong board kanina.. pero para lang sa PIC muna... at least na-simulate ko na yan sa proteus, just need to fine-tune the REST(op-amps) going to use the LM324 para dito....lahat SMT para dito sa board... top connection for the LCD, bottom for the 8 tact switches...san gumana AS PLANNED hehehe

hay ubos na naman introductory INK nitong printer ko... so NO PCB lang muna... tsk



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Offline RaffT

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Re: diy digital PS..starts HERE
« Reply #12 on: July 21, 2008, 08:58:02 PM »
continuation ng isang ambisyoso.. :D

pangarap ko talaga makagawa ng "DIGITAL" power supply.. hehehe

board stuffed with parts..all SMT..di ko pa nalilinis ang board.. :p


connector for LCD..IDE... hhehehehe im on a tight budget


LCD connected... male PINS yung sa LCD ko


kinabit na yung switch wires tsaka +5V power
its a 16F876-04 run on 20MHz xtal.. hehe


circuit running...limit switches yan sa CD-ROM...2-way switch


close up on the LCD
TOP line shows "supposed" output of PS..from PIC... with corresponding PWM output/s
checked with my logic probe
2ND line ..still no input(AN0,AN1) floating.....


whew... SANA mapagana ko ito.. hehehe will NEED a lot of tweaking , i know.. ok lang... di naman me masyado busy.. hehe ;D ika nga, dahan dahan lang.. makakarating ka rin doon...

laking tulong talaga ang -cracked- proteus... ehehehehe

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Offline paranz

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Re: diy digital PS..starts HERE
« Reply #13 on: July 21, 2008, 09:08:13 PM »
^ nice

OT:

saan ka nakabili ng SMT oscillator?
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Offline RaffT

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Re: diy digital PS..starts HERE
« Reply #14 on: July 21, 2008, 09:10:03 PM »
Quote from: i love leyanna on July 21, 2008, 09:08:13 PM
^ nice

OT:

saan ka nakabili ng SMT oscillator?

sa parts bin ko :D

sa mga HDD.. buti yung nagamit ko dyan may internal caps na yan, cguro HS ceramic reso yan.. hehehe
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Offline RaffT

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Re: diy digital PS..starts HERE
« Reply #15 on: July 21, 2008, 09:11:54 PM »
may mali nga sa layout ko... nalito ako between 16F877 anf F876 RB6,7... lol nasa pin27,pin28 pala yun sa 876... whew...
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Offline beginner wan

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Re: diy digital PS..starts HERE
« Reply #16 on: July 21, 2008, 09:15:02 PM »
Quote from: rafft on July 20, 2008, 11:10:46 AM
ok sana yan... pero may nagbebenta ba ng ATMEL micro  dito sa pinas??

kung hindi ako nagkakamali, meron sa alexan..
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Offline RaffT

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Re: diy digital PS..starts HERE
« Reply #17 on: July 21, 2008, 09:16:03 PM »
Quote from: beginner wan on July 21, 2008, 09:15:02 PM
kung hindi ako nagkakamali, meron sa alexan..

ok... meron pala.. pero nakapag simula na ako sa PIC eh.. hehe
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Offline maldihtah13

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Re: diy digital PS..starts HERE
« Reply #18 on: July 22, 2008, 09:19:03 AM »
eto nman sna plano ko gawin




ang problema lang eh 7-25volts output nya gusto ko sna mag-start sa 0-30V 0 -3Amp
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Offline RiDdLeR???

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Re: diy digital PS..starts HERE
« Reply #19 on: July 22, 2008, 10:20:41 AM »

Eto naman yung balak ko ng gawin since meron na akong opa549s.  Kulang nalang eh yung mga digital pot para digital control.   I hope I find some time to make this project lahat kasi ng projects ko nahinto right in the middle dahil sa work.

Salamat nga pala kay Ferds for selling me the OPA549S with an extra spare.  ;D ;)
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Philippine Electronics Forum

Re: diy digital PS..starts HERE
« Reply #19 on: July 22, 2008, 10:20:41 AM »
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