How To Convert Laptop Charger Into Variable Power Supply | RK Electronics Karachi

Welcome to our latest DIY tutorial! Ever wondered what to do with your old laptop charger lying around? In this comprehensive guide, we'll take you through the exciting journey of repurposing your laptop charger into a versatile variable power supply. Whether you're an electronics enthusiast, a hobbyist, or just someone looking to expand their DIY skills, this video is for you.
With just a few simple steps and readily available components, you'll learn how to transform your old laptop charger into a fully adjustable power supply. Say goodbye to limited voltage options and hello to flexibility! Imagine having the ability to fine-tune the voltage output for various projects, from powering small electronics to testing circuits-this DIY conversion opens up a world of possibilities.
RK Electronics Karachi
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[@shahbazbukhari7819]

Amazing. Good work 👌👍

[@ahmedsoffy581]

honestly I do the same steps for three different laptop chargers but I discovered that the volts under 8 volt not stable and can't operate or work any load its like pulses volt useless , not stable > in other side the volts up to 12 volt is good until 30 volt .

[@ahmedsoffy581]

the companies of electronics know that tl431 has range up and down 10 volts from the basically its product volt ( 10 v----- < charger volt > ------- 10 v ) . i suggest to try this modification with charger 9 volt 2A it will work successfully 100% . depend me

[@oyekanstephen8767]

Is it 330 ohms resistor or 33 ohms resistor?

[@electroonext]

330 ohm

[@vikaskhajuria9819]

​@@electroonextOnline khn se milega please detail btao sir

[@AmjadAli-p9k2s]

Checked with loads

[@drsajjadashraf...9291]

Are voltages stable on constant load of motor ?

[@electroonext]

@@drsajjadashraf...9291 yes

[@narayanBajaj-nj5ec]

Mers charger me tl431 nahin hai to kya karu

[@electroonext]

TL431 Nahi hai to us ki jaga kia hai?

[@TahirAli-b1h]

Sir please tell me tl431 ki jagah pe our Kya Kiya ho sakte hai