08:58

Testing switching power supply (SMPS) kit 12V/4A purchased from Aliexpress

16:17

Audio amplifier kit with CS8623E (25W) and YD1517P (6W+6W) bought from Aliexpress

14:14

A bizarre gift, a portable speaker in the shape of a flower pot

14:06

Testing 24W fast charging kit with IP6505 from Aliexpress

16:36

Making a current limiter with an incandescent bulb

06:31

Voltage level indicator with 2 LEDs and a tranzistor

12:50

Opening a package and testing a pin crimper bought from Aliexpress

02:56

Ice maker with removable ice cube from Aliexpress

26:36

How to make a laboratory power supply with LM317 and 2 power transistors

16:54

How to change the battery of an electrical energy meter

24:22

Laboratory power supply with LM317 and two TIP36C power transistors

10:20

DIY electronic dice with CD4017, NE555 and LEDs from Aliexpress

19:11

Making an adjustable linear laboratory supply kit from Aliexpress of 30V and 3A

08:06

Testing Li Ion battery charger kit with TP5100

09:38

How to measure the internal resistance of some USB cables

10:37

Lets open a package with electronics bought from TME and some from Aliexpress / Mailbox Episode 8

11:11

Testing a Quick Charge module with TPS61088 / Ripple measurement / Efficiency / Output current

14:54

Improvement a multitester T7 by adding test leads and panel connectors

13:37

Lets open some packages with electronics bought from Aliexpress, including the wrong one / Mailbox 7

12:31

How to make a kit PCB with bridge rectification and alternating current filtering

04:55

How I extended the life of some old Canyon CNR FHS04 budget headphones

08:01

Making a monostable multivibrator with transistors and LEDs

04:13

How to clean tip of soldering iron

07:20

How to identify the terminals of a bipolar transistor with the multimeter

11:49

Testing a boost converter 2A with MT3608 / Measurement of voltage, current, efficiency and ripple

08:04

Let's open some packages with electronics bought from Aliexpress / Mailbox Episode 6

05:58

Making a flip-flop circuit with LEDs and transistors

13:01

Digital counter with integrated CD4026B and LED display with 7 segments / Soldering SMD components

08:02

What happens if we exceed the maximum power of a white ceramic resistor

12:26

What happens if you exceed the maximum power of the resistors / Burning resistors...

23:53

Power Supply Boost Converter with XL6009E1 / Measurement and improvement of ripple output

01:03

Coming soon, new clip with XL6009E voltage booster kit test

08:31

Repairing a romanian Radio Progres soldering gun 100W

12:09

Presentation and testing of lithium ion battery charger with TP4056

10:57

We are open some packages with electronics bought from TME and Aliexpress / MailBox Episode 5

10:33

How to make a dimmable led bulb with a potentiometer

10:45

Audio amplifier with CS8673E "80W" / Power measurement and frequency response testing

13:16

Testing an audio amplifier class D with TDA8932T in the bridge mode

08:41

Vu-meter, audio level indicator with transistors and LEDs

10:35

How to fix the noisy fan of the DM-915 / ZD-915 desoldering station

09:19

How to make an audio cable DIY with RCA connectors

09:04

How to repair a faulty micro-USB connector / Electronics part charging case of Redmi Airdots 2

09:14

Testing some L7812CV stabilizers bought from Aliexpress

08:13

Comparison of genuine 7812 stabilizer with a counterfeit one bought on Aliexpress

08:20

The best soldering wire I tested Cynel Professional Sn60Pb40

14:53

How to build a signal generator with XR2206

08:56

The difference between the soldering wire from BEST and the one from Mechanic HX T100 /How to solder

10:36

We open a package with electronics bought from Aliexpress / Mailbox Episode 4

12:39

Reviewing and testing of a usb drive, from SanDisk Ultra Flair, with 64GB flash memory

08:24

How measure and test a Darlington transistor with digital multimeter

01:22

We measure the signal produced by astable multivibrator assembly with the oscilloscope

06:55

How to make astable multivibrator montage with LEDs and transistors

11:13

The difference between linear and logarithmic potentiometers and some practical demonstrations

10:55

We repair a 12 volt power supply and do some tests on it

13:13

PPTC resettable fuse, polymer device with positive temperature coefficient

14:19

Electronics part of a new V-TAC LED bulb and a short modification

09:40

How to repair and clean an electrical extension cord

12:49

How to adjust the output voltage of an LM7805 stabilizer using a potentiometer

11:29

How to change the battery of a trimmer from Braun model 5544

11:21

How to make your own audio cable with 3.5 mm jack