Power Supply Kit

Model : Kit-00003

Brand : Pi Labs,Bangladesh

Supplier : Pi Labs, Bangladesh

TechshopBD, Bangladesh


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A complete 5V solution.

A complete 5V solution.

If you want to make your own  5V DC supply, this kit is for you.

This Power supply kit consists of:

  • DC Jack
  • Transformer(12V,1000mA)
  • AC cable
  • 5V power development stick PCB
  • Necessary components for the PCB:
    • Slide switch x1 (B1)
    • DC socket x1 (J1)
    • 1N4007 x1(D1)
    • 2.7K Ohm x1(R1)
    • Male connector x2 (5V-Gnd)
    • Female connector x1(Vin-Gnd-5V)
    • Red LED x1(D3)
    • 470uF/50V x1(C1)
    • 47uF/25V x1(C2)
    • 104 pF ceramic capacitor x2(C3,C4)
    • Regulator-LM7805 x1 (U1)
    • 1N4007(2 PCS)


To complete the PCB, check out our Soldering Kit.

Login to post comments.
Akil | Jan 19,2013 at 07:08 PM
please tell me how to make the 5V power supply. I have the components but I don't know how to connect them.
Fahad | Jan 21,2013 at 07:12 PM
Its actually very easy. You can see the 7805's datasheet. Also please browse this link: ""

- Hope this helps.
Akil | Jan 23,2013 at 11:28 PM
My mistake. I was trying to say that I don't know how to solder the circuit.
Samiul.Hoque.26 | Mar 4,2013 at 07:42 PM
Can we get the legends for the PCB keys?

Like what does each of the names refer to?
I am completely new to electronics and its a bit frustrating to have everything in my grasp yet I cant put it together.
Samiul.Hoque.26 | Mar 4,2013 at 09:14 PM
And could someone please put a list up for the ' necessary components for PCB ' part..
Solving this puzzle would be easier I we knew wut each of the pieces are -_-
Samiul.Hoque.26 | Mar 4,2013 at 11:25 PM
Found the info for the power stick or the PCB mentioned here

Sorry for bothering you all, but now a new topic.. How exactly to connect the transformer, the2x remaining 1N4007
A.R | Mar 5,2013 at 05:55 PM
We have sent you a mail explaining the process to your e-mail id(The one you have used in techshop).Please check that out.
Rafisameen | Jan 9,2014 at 06:36 PM
I also need the explanation..please send it to my email.
A.R | Jan 12,2014 at 12:18 PM
We have sent you a mail. Please check that out.
Hossain.eee | Feb 14,2014 at 11:20 PM
Can you please send it to my email as well?
A.R | Feb 17,2014 at 09:38 AM
Have you bought the kit? If so, please mention your order number.
Hossain.eee | Feb 17,2014 at 04:11 PM
Invoice # 104433
Shafqat | Feb 17,2014 at 01:13 AM
i have got couple of questions, 1. isnt it necessary to use a heat sink? 2. i got only 2 4007 s ... not 3... :/ ... need some help here...are we supposed to make a bridge with those? may be the mail mentioned before might help
A.R | Feb 17,2014 at 09:45 AM
1) With this power supply kit, you can make this power supply stick No heat sink has been used here.2) In this PCB only one 4007 diode has been used, but with the kit we provide one extra.
Shafqat | Feb 17,2014 at 02:26 PM
yup...that stick is already up and running ... but what about the conversion? i mean ac to dc? :O
Atifmahbub | Jun 14,2014 at 01:22 AM
can i have only the pcb?
ive ruined my pcb when soldering. i need few of them. is that possible?
A.R | Jun 14,2014 at 01:52 AM
Oops! Sorry. That's not possible.
Saadatshahidi | Jan 27,2015 at 07:13 PM
can i power my breadboard using it?
A.R | Jan 28,2015 at 10:38 AM
Yes! This is for breadboard.
Citianz2011 | Feb 19,2015 at 03:48 PM
for a running robot how can i give 12vsupply to convert it 5v? like 1.5*8?
A.R | Feb 20,2015 at 09:28 PM
Using some mobile batteries in series will serve the purpose.
Spider321 | Jan 11,2016 at 06:25 PM
As this transfor is 12v then if i switch 12v voltage regulator.. can i able to get 12 v output?? thanks
A.R | Jan 12,2016 at 09:52 AM
To get constant 12V output from a voltage regulator, input voltage must be higher than that.
Shohan33 | Feb 6,2016 at 11:53 PM
যদি কোন ভোল্টেজ রেগুলেটর ব্যবহার না করি তাহলে আউটপুট ভোল্টেজ কত পবো?

আমি কি এই কিট দিয়ে ১২ ভোল্ট পাওয়ার সাপ্লাই বানাতে পারবো?
A.R | Feb 7,2016 at 02:05 PM
Golamrabbani | Aug 20,2016 at 10:33 AM
I am new to electronics so can anyone tell me which item is what and how to assemble them.
FAHIM_REAZA | Aug 21,2016 at 11:48 AM
Dear customer, if you are new in electronics and have no enough knowledge about soldering, then please we suggest you to use the following pre-assembled circuity.
Link_1 = Power Adapter:
Link_2 = Power Supply Stick =

However if you have any problem, please contact with our engineers of the "TechShop Bangladesh Technical Team".
Cell: +8801833168171

Thanks for with us.
Akibul | Jun 22,2020 at 09:59 PM
Can you please tell me how to merge it.If you send a video instruction it will be best.Thank you.
A.R | Jun 23,2020 at 10:31 AM
Please see this manual:

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