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Testing 6 cheap chinese PMICs: MT2499A, ME2135A50M6G, MT3608, LP3320B6F, EA8212T6R, MT2492

1:05:18

Testing 3 lowpower LDO chips - AP2202, AP2127 & TPS79301

24:15

Learning and improving 34063 DC/DC

54:05

More experiments with coils to determine maximum current

1:02:05

Simple DC/DC step up converter for polarization voltages

42:53

Simple charger for Li-Ion, Li-Po or LiFePO4

41:28

Channel update - august 2024

I just want to give you a small update on the work on this channel.
-------------------------------
Better replacement of 555 timers: th-cam.com/video/jyrdUrJZJxo/w-d-xo.html
Want a device with which you can test accumulators: th-cam.com/video/d70LkpjkaJ4/w-d-xo.html
Alternative ways of making circuits: th-cam.com/video/FhNnqbZms9k/w-d-xo.html
Where we're trying to move ourselves towards ? th-cam.com/video/9HOfVsq9RIA/w-d-xo.html
** Those wishing can support my work on Patreon here: www.patreon.com/electronicsprepper

มุมมอง: 56

วีดีโอ

Testing 6 cheap chinese PMICs: MT2499A, ME2135A50M6G, MT3608, LP3320B6F, EA8212T6R, MT2492

1:05:18

Testing 6 cheap chinese PMICs: MT2499A, ME2135A50M6G, MT3608, LP3320B6F, EA8212T6R, MT2492

มุมมอง 1502 หลายเดือนก่อน

#067 PCBWAY 10 YEAR ANNIVERSARY - participate now: www.pcbway.com/activity/anniversary10th.html Want to create PCBs easier ? PCBWay is a good choice: www.pcbway.com/ Want to have PCBs with components assembled ? PCBWay can help you as well: www.pcbway.com/pcb-assembly.html In this video we are taking a look at 6 different PMICs, the so called "power management integrated circuits". These are on...

Testing 3 lowpower LDO chips - AP2202, AP2127 & TPS79301

24:15

Testing 3 lowpower LDO chips - AP2202, AP2127 & TPS79301

มุมมอง 1124 หลายเดือนก่อน

#066 Want to create PCBs easier ? PCBWay is a good choice: www.pcbway.com/ Want to have PCBs with components assembled ? PCBWay can help you as well: www.pcbway.com/pcb-assembly.html In this video we are taking a look at 3 different versions of very low dropout voltage regulators to see if we can power our microcontroller boards with a smoother power supply voltage so that the ADCs have a more ...

54:05

Learning and improving 34063 DC/DC

มุมมอง 2255 หลายเดือนก่อน

#065 Want to create PCBs easier ? PCBWay is a good choice: www.pcbway.com/ Want to have PCBs with components assembled ? PCBWay can help you as well: www.pcbway.com/pcb-assembly.html The 34063 integrated circuit seems quite promising as a general purpose DC/DC converter chip, even though he's pretty old. In this video we take a look at how he works and how we can improve him. 00:00 - introducti...

More experiments with coils to determine maximum current

1:02:05

More experiments with coils to determine maximum current

มุมมอง 5575 หลายเดือนก่อน

#064 Want to create PCBs easier ? PCBWay is a good choice: www.pcbway.com/ Want to have PCBs with components assembled ? PCBWay can help you as well: www.pcbway.com/pcb-assembly.html In this video i'll show you how to test coils and inductors to determine the maximum current they can work. 00:00 - intro 08:30 - quick view of the test circuit 21:10 - coil #1 COIL0608-1 28:00 - coil #2 COIL0912-0...

Simple DC/DC step up converter for polarization voltages

42:53

Simple DC/DC step up converter for polarization voltages

มุมมอง 1646 หลายเดือนก่อน

#063 Want to create PCBs easier ? PCBWay is a good choice: www.pcbway.com/ Want to have PCBs with components assembled ? PCBWay can help you as well: www.pcbway.com/pcb-assembly.html In this video we'll see how we can build a simple step-up DC/DC converter just for generating higher voltages needed to turn on "high-side" tranzistors. 00:00 - introduction 01:50 - the problem we want to solve 08:...

Simple charger for Li-Ion, Li-Po or LiFePO4

41:28

Simple charger for Li-Ion, Li-Po or LiFePO4

มุมมอง 1336 หลายเดือนก่อน

#062 Want to create PCBs easier ? PCBWay is a good choice: www.pcbway.com/ Want to have PCBs with components assembled ? PCBWay can help you as well: www.pcbway.com/pcb-assembly.html In this video we'll see how we can build a simple charger for any litiu accumulators, including LiFePO4. 00:00 - introduction 06:50 - the schematic 30:50 - functioning showcase The current monitoring circuit is fou...

DC current monitoring circuits - options, advantages and disadvantages

1:18:20

DC current monitoring circuits - options, advantages and disadvantages

มุมมอง 3607 หลายเดือนก่อน

#061 Want to create PCBs easier ? PCBWay is a good choice: www.pcbway.com/ Want to have PCBs with components assembled ? PCBWay can help you as well: www.pcbway.com/pcb-assembly.html Let's talk about what options do we have when we want to sense the current through a load with a shunt rezistor. 00:00 - introduction 05:10 - pozitive side shunt rezistor 10:30 - negative side shunt rezistor 15:30 ...

40:47

Passive power factor correction

มุมมอง 2307 หลายเดือนก่อน

#060 Want to create PCBs easier ? PCBWay is a good choice: www.pcbway.com/ Want to have PCBs with components assembled ? PCBWay can help you as well: www.pcbway.com/pcb-assembly.html Let's talk about power factor and why we need to care about that when we power our devices from our own sources - UPS-es, inverters, generators. 00:00 - introduction 13:30 - understanding the theory 19:05 - the sim...

Modification of microwave oven transformers

1:09:37

Modification of microwave oven transformers

มุมมอง 6567 หลายเดือนก่อน

#059 Want to create PCBs easier ? PCBWay is a good choice: www.pcbway.com/ Want to have PCBs with components assembled ? PCBWay can help you as well: www.pcbway.com/pcb-assembly.html In this video i present to you my experience with modifying a microwave oven transformer, with valuable tips & tricks. 00:00 - introduction 06:20 - general steps 12:10 - separating E & I cores 16:20 - removing the ...

Over & undervoltage detection for my cheap differential probe

55:21

Over & undervoltage detection for my cheap differential probe

มุมมอง 1368 หลายเดือนก่อน

#058 Want to create PCBs easier ? PCBWay is a good choice: www.pcbway.com/ Want to have PCBs with components assembled ? PCBWay can help you as well: www.pcbway.com/pcb-assembly.html In this video i will show you how to create an overvoltage and undervoltage detector for my cheap differential probe or for anything else like this. 00:00 - introduction 05:40 - quick recapitulation of previous cir...

34:06

Toaster artificial load

มุมมอง 1948 หลายเดือนก่อน

#057 Want to create PCBs easier ? PCBWay is a good choice: www.pcbway.com/ Want to have PCBs with components assembled ? PCBWay can help you as well: www.pcbway.com/pcb-assembly.html Sorry for the background noise, i forgot to disable the sound track on that video channel. Want a device with which you can test accumulators: th-cam.com/video/d70LkpjkaJ4/w-d-xo.html Alternative ways of making cir...

21:02

Breadboard parasitic capacitances

มุมมอง 2919 หลายเดือนก่อน

#056 PCBWay's Christmas discounts: www.pcbway.com/activity/christmas2023.html Want to create PCBs easier ? PCBWay is a good choice: www.pcbway.com/ Want to have PCBs with components assembled ? PCBWay can help you as well: www.pcbway.com/pcb-assembly.html Want a device with which you can test accumulators: th-cam.com/video/d70LkpjkaJ4/w-d-xo.html Alternative ways of making circuits: th-cam.com/...

Beware of questionable litiu acumulators

1:12:53

Beware of questionable litiu acumulators

มุมมอง 699 หลายเดือนก่อน

#055 PCBWay's Christmas discounts: www.pcbway.com/activity/christmas2023.html Want to create PCBs easier ? PCBWay is a good choice: www.pcbway.com/ Want to have PCBs with components assembled ? PCBWay can help you as well: www.pcbway.com/pcb-assembly.html 00:00 - introduction 07:10 - choosing an acumulator 20:00 - theory 44:00 - brand new acumulators used as reference 53:30 - actual tests 1:03:...

50:13

Cheap litiu accumulator tester

มุมมอง 1409 หลายเดือนก่อน

#054 PCBWay's Christmas discounts: www.pcbway.com/activity/christmas2023.html Want to create PCBs easier ? PCBWay is a good choice: www.pcbway.com/ Want to have PCBs with components assembled ? PCBWay can help you as well: www.pcbway.com/pcb-assembly.html I'm showing you how to build a relatively simple and cheap tester for Li-Ion or Li-Po accumulators in order to determine the real capacity th...