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8:05

Make Your Own - Coolest Battery

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Shared 4 days ago

2K views

2:31

CV/CC Charger For 2xLM317

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Shared 6 days ago

2.5K views

21:45

What is GaN? Everything you need to know about Gallium Nitride chargers.

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Shared 1 month ago

8.2K views

4:15

DIY BEST 10500mAh SONY NP-f970 Battery

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Shared 2 months ago

1.8K views

17:04

The Working Days of a Slacker

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Shared 3 months ago

3.5K views

14:11

3D SuperFast Benchy (13min) Bambu Lab A1 Mini

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Shared 4 months ago

1.3K views

9:10

Stabilized SMPS with current protection on SG3525

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Shared 4 months ago

6.1K views

10:04

Almost IMPORT REPLACEMENT

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Shared 5 months ago

4.5K views

9:11

The Best DIY Radio bug

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Shared 6 months ago

10K views

2:14

DIY 11Ah Li–Ion Battery for UPS

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Shared 6 months ago

2.8K views

7:01

DIY BIG Li-Ion Battery For Electric Scooter

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Shared 7 months ago

2K views

4:01

DIY BIG 18V Makita Battery (3d printing)

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Shared 7 months ago

3.7K views

3:58

DIY Makita 18V Universal Power Charger

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Shared 8 months ago

3.9K views

10:23

DIY 0-30V/0-5A Lab Power Supply. Part 1

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Shared 11 months ago

41K views

18:32

The Coolest DIY Semi-Automatic Welder

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Shared 1 year ago

4K views

6:09

DIY Powerful LiFePo4 Battery

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Shared 1 year ago

3.2K views

10:14

This thing will extend the life of your battery!

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Shared 1 year ago

8K views

3:43

Homemade Battery For DJI INSPIRE

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Shared 1 year ago

460 views

6:28

DIY BEST Laptop Power Bank 67.000mAh

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Shared 1 year ago

8.3K views

9:48

What can be done from an old laptop?

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Shared 1 year ago

50K views

5:23

DIY 12V 24Ah LI-ION Battery Pack

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Shared 1 year ago

6.5K views

18:16

TEC 41- 18 Kilo Bulgarian monster from the times of socialism.

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Shared 2 years ago

141K views

8:53

The CUTEST Power Supply in USSR - IPS-1

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Shared 2 years ago

6.1K views

8:33

Got a cool package with goodies

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Shared 2 years ago

3K views

14:05

DIY correct LI-Ion battery

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Shared 2 years ago

4.6K views

18:40

160kW Induction Heater ! - Repair ( Part 2 )

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Shared 2 years ago

12K views

18:44

160kW INDUCTION HEATER!

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Shared 2 years ago

8.8K views

16:53

B5-47 - USSR Bench Power Supply

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Shared 2 years ago

4.7K views

19:43

What is IGBT transistors

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Shared 2 years ago

86K views

7:09

Restoration of a GERMAN Cordless Screwdriver

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Shared 2 years ago

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11:24

Everyone needs this device ! Battery CAPACITY meter for a penny

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Shared 2 years ago

17K views

17:46

Make a Welding Machine no worse than the factory one

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Shared 2 years ago

20K views

11:43

What can be made from 500 capacitors ?

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Shared 2 years ago

218K views

10:34

How to make Powerful Car Battery Charger

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Shared 2 years ago

23K views

16:01

A Day in the Life of a Radio Amateur

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Shared 2 years ago

6K views

14:52

AMAZING old devices from FLEA market

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Shared 2 years ago

11K views

12:48

I bought a BULGARIAN MONSTER at a flea market

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Shared 2 years ago

72K views

16:35

STEALING FROM CHINA - Again!

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Shared 2 years ago

166K views

11:18

TOP simple circuits for probes + PCB

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Shared 2 years ago

10K views

15:36

DIY Power Inverter 12 - 220 V 50Hz - a great tutorial

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Shared 2 years ago

35K views

14:15

Powerful DIY Tesla Coil | Transformer

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Shared 2 years ago

13K views

10:04

How to make HIGH quality PCBs at home

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Shared 2 years ago

231K views

9:43

Power bank - 80 level

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Shared 2 years ago

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11:10

IRON MASK - a unique soldering iron

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Shared 3 years ago

10K views

10:00

Invention of student years ....

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Shared 3 years ago

6.5K views

15:17

REDO device from FLEA market

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Shared 3 years ago

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13:53

BEST Car battery charger | Free Gerber, PCB and Circuit

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Shared 3 years ago

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11:36

RETRO TECHNOLOGIES! Electronics in 1941

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Shared 3 years ago

3.7K views

16:43

MAGLite 6D Flashlight upgrade

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Shared 3 years ago

17K views

14:38

300W class D power amplifier

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Shared 3 years ago

30K views

12:32

Flea Market. New Amazing findings

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Shared 3 years ago

4.3K views

13:35

What can be made from an old microwave oven

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Shared 3 years ago

14K views

18:31

How to increase the POWER of ATX Power Supply

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Shared 3 years ago

19K views

12:35

STEALING FROM CHINA - on a LARGE scale!

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Shared 3 years ago

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9:35

DIY Spot Welding Controller

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Shared 3 years ago

49K views

11:41

You havn't seen this! The most UNUSUAL transistors of the USSR

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Shared 3 years ago

7.9K views

22:08

STRANGE device of the Third Reich!

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Shared 3 years ago

5.4K views

19:19

The STRANGEST soldering iron and more!

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Shared 3 years ago

7.2K views

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TOP simple PCB projects on ONE Transistor

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Shared 3 years ago

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12:21

DIY AMAZING car Subwoofer

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Shared 3 years ago

9.1K views