GoldScrew DIY

08/06/2023

Today, I will guide thoroughly and in detail all the steps to be able to install applications or games on the BlackBerry Playbook in this time of 2023, when all BlackBerry services and servers stopped working a long time ago.

https://youtu.be/AJ6W4rP7RSo

There have been a lot of comments and inbox me asking about how to install the application on the Blackberry Playbook after the first video shows how to get ...

14/12/2022

https://youtu.be/adFwuF9Wv6k
This is guide How to Fix Blackberry Playbook Issue "Unable to display the BlackBerry ID Agreement" in December 2022 with only 2 steps!

This is guide How to Fix Blackberry Playbook Issue "Unable to display the BlackBerry ID Agreement" in December 2022 with only 2 steps!********Link download s...

22/05/2022

Sometimes, when you ride a bike in the dark night. It will be very dangerous if you do not have warning devices for other vehicles such as: Reflective clothing, flashing/Blinking lights...

So, today I will show you how to make your own flashing/Blinking with IC NE555. You can attach this device to your helmet or wear it on your arm while cycling at night.

Read more: https://goldscrew.blogspot.com/2022/05/how-to-make-blinking-bicycle-led-light.html

22/03/2022

A voltage regulator power supply is a very useful device for those who love to make and DIY electronic devices.
You can use it to test electronic components: LEDs, motors, sensors...
Therefore, today I will share with everyone how to make a multi-function power supply with module XYS3580.

* Full video here: https://youtu.be/jiZailbvtuY

A voltage regulator power supply is a very useful device for those who love to make and DIY electronic devices.You can use it to test electronic components: ...

16/02/2022

Sometimes it is necessary to keep a block of 18650 batteries (Spot welding), but it will be difficult if you do not have the tools to hold those batteries.
So I'm going to design and 3D print the tool by myself to hold the 18650 battery block with 4 pieces in 2 rows.
Full video: https://www.youtube.com/watch?v=j5UzRRUNsEo

Sometimes it is necessary to keep a block of 18650 batteries (Spot welding), but it will be difficult if you do not have the tools to hold those batteries.So...

06/12/2021

Sometimes we need to use a lot of different colored pencils, and often what we have to do with those pencils is: sharpen the nib.

There are also many different types of pencil sharpeners on the market today. However, today I will try to make my own pencil sharpener with basic components!

Youtube: https://youtu.be/G9l2NPsNrJg

Sometimes we need to use a lot of different colored pencils, and often what we have to do with those pencils is: sharpen the nib.There are also many differen...

01/12/2021

The 12V battery block is very commonly used.

We can use them to power internet modem devices, charge batteries, power LED lights...

And today I will guide you to create a 3S6P - 12V 50AH battery pack with LG MH1 18650 2800mAh battery cell.

* Read more: https://goldscrew.blogspot.com/2021/11/how-to-make-3s6p-battery-pack-12v-50ah.html

* Video: https://www.youtube.com/watch?v=FrceUJ5LXlg

30/10/2021

With 5v power supply is really popular and available such as: power bank, USB port, phone charger...

And sometimes we need to lower the voltage from 5V to 3v to use it for something (remote control car, Arduino circuit running 3v...).

So how to downgrade the power from DC 5v to DC 3v?

Check it here: https://goldscrew.blogspot.com/2021/10/how-to-make-dc-converter-from-dc-5v-to.html

15/10/2021

As in the last video, I bought a mini battery cell solder circuit. But the result was not as expected.
Therefore, I made myself a spot welder to solder new battery cells.

Full video here: https://www.youtube.com/watch?v=OEUZWgUEl5k

As in the last video, I bought a mini battery cell solder circuit. But the result was not as expected.Therefore, I made myself a spot welder to solder new ba...

04/10/2021

Today, I will show you how to Disassembly Macbook Battery and Check What's inside with a Macbook battery (Model A1322 of Macbook MD101).
Check it here:
https://www.youtube.com/watch?v=8uUqVfbD8OA

Today, I will show you how to Disassembly Macbook Battery and Check What's inside with a Macbook battery (Model A1322 of Macbook MD101).***Don't do it if you...

12/08/2021

The use of LED Matrix Max7219 is quite common nowadays. You can use it for many different applications such as: Clocks, Scrolling Text, advertising...

However, the sample code related to Max7219 I found relatively difficult for newbies, so I tried to rewrite the code as concise, understandable and clean as possible!

Readmore: https://goldscrew.blogspot.com/2021/08/make-led-matrix-box-with-multiple.html

12/08/2021

18650 battery is a very common type of battery, you can find it anywhere, in any device such as: drone controller, in drill, in electric fan...
But the price of a charger of this type of battery is not cheap, so today I will share with everyone how to make a Test/Charger 18650 batteries by yourself with a specially designed and 3D printed cases.

Readmore: https://goldscrew.blogspot.com/2021/07/how-to-make-testcharger-18650-batteries.html

19/07/2021

Infrared LEDs are not the same as conventional LEDs, although their appearance is exactly the same.

And the normal human eye will not be able to see the light emitted by the infrared LED.

Therefore, it will be difficult to check if an infrared LED is good or broken.

Read more here: https://goldscrew.blogspot.com/2021/07/simplest-way-to-test-ir-led-including.html

Video: https://www.youtube.com/watch?v=zaF9_mZuhpY

Infrared LEDs are not the same as conventional LEDs, although their appearance is exactly the same.And the normal human eye will not be able to see the light...

11/07/2021

Today, I will show you how to make Ambulance/Police Car Light With Arduino!
Let's see it: https://youtu.be/-WV6UiIlfD8

Today, I will show you how to make Ambulance/Police Car Light With Arduino!*** List Parts ***- Arduino Nano (Or any board Arduino)- LED 5mm 5VDC- Wires- Sold...

09/07/2021

My review about 3D Print: Ender 3 V2!
Is it the best 3D printer under $300?
Read it here: https://goldscrew.blogspot.com/2021/07/creality-ender-3-v2-is-it-best-3d.html

08/07/2021

Today, I will show you how to make USB mini speaker system with PAM8403 amplifier module and Cardboard.

It's very easy with cheap materials!

Check it here: https://goldscrew.blogspot.com/2021/07/diy-make-usb-mini-speaker-system-with.html

Today, I will show you how to make USB mini speaker system with PAM8403 amplifier module and Cardboard. It's very easy with cheap materials....

08/07/2021

If you like to build electronics projects like me, you know it is very important to have your electronics components organized. In this video, I will show you HOW TO MAKE CHEAPEST AND BEST Storage Organizers For Electronic Components and Parts with Carton.

https://www.youtube.com/watch?v=_tXjaGzDwLs

If you like to build electronics projects like me, you know it is very important to have your electronics components organized. In this video, I will show yo...

08/07/2021

Normally, the sewing ruler in my house would lie very messy and difficult to find when needed.
So today I'm going to make it a container that looks like a tape measure with used gum case.

All that we need:

- Sewing Ruler (1x)

- Used gum tape box (1x)

- Super glue

- Paper knifes

- Screw

- A short aluminum bar(Get it from clothes hanger)

https://www.youtube.com/watch?v=_CWbGm1Kp1o&t=1s

Normally, the sewing ruler in my house would lie very messy and difficult to find when needed.So today I'm going to make it a container that looks like a tap...

08/07/2021

08/07/2021