Vio Youtube Channel

03/01/2022

https://youtu.be/R0UOozrfzl4

Bright new Heltec HT-M2808 with loose parts inside.Dismantle and fix.DjVlad https://ra.co/dj/vladcaia

03/01/2022

https://youtu.be/_BlgUPCzjM8

LoRA Yagi 9db 824-960MHz test, doesn't fit 868Mhz properly.

03/01/2022

https://youtu.be/wKiugLsxCAA

I couldn't resist! I ahve to dismantel LoRa fiber glass EBYTE TX900-BLG-55 dismantle!

03/01/2022

https://youtu.be/ueTnxEHvcPY

Quick update test for 3 LoRA antennas..

03/01/2022

https://youtu.be/iaESWyJOIe0

Just this fiber glass antenna from EBYTE TX900-BLG-55 for my Heltec Hleium miner, first test

03/01/2022

https://youtu.be/aea3ZLa8oao

03/01/2022

https://youtu.be/pCMgBOjm1zY

03/01/2022

https://youtu.be/1YcnM5qaMFk

Some remarks and tweaks to my DIY collinear antenna..where is PoC V11?...

11/12/2021

https://youtu.be/A-NtGO3Rf70

My first Helium miner experience just begun!0:05 unboxing Heltec miner1:12 inside content4:41 let's test the antenna7:16 power on8:03 register to the Helium ...

11/12/2021

https://youtu.be/7Wjst9A7El8

DIY 868Mhz LoRa collinear antenna test and calibration part II turns to an entire new build..V.3

11/12/2021

https://youtu.be/WDCsK73SC4c

DIY 868/917 Mhz LoRa collinear coaxial antenna 7.8db part I. For tests and calibration check part II

11/12/2021

https://youtu.be/v-ybEKyb8J8

I found this little cheap microphones for PC, very nice sound quality, balanced and no boomy even in proximity situation.

11/12/2021

https://youtu.be/SUgWO0FmNZs

Testing Kaufland Switch On rechargeable AAA NiMh akkus. 28% less then advertised.

11/12/2021

https://youtu.be/2qnQsWxhnvA

Canera loosing USB PC connection when used like webcam..suspect a USB loose connector on the mainboard..of course that was! Resolder and problem fix.Also , h...

26/11/2021

https://youtu.be/_wMZ2j_sa20

It was time to replace my ten years old IP cameras, so I found this cheap and nice Guudgo 1080P with all the horns and whistles ...it's incredible how much ...

25/11/2021

https://youtu.be/o0n0iDVLl-w

Improvising a new volume fader potentimeter Roland G600..and many other models uses linear slide faders.

25/11/2021

https://youtu.be/SGvEy5imDbA

Roland G600,G800,E96,D70,W30, S50,JW50,RA800 Korg I series LCD display replacement, brings a new life to an old but still good arranger keyboard

25/11/2021

https://youtu.be/K7mIYiKD-Nk

Another TS100 victim of same bad quality OLED got a fix. Luckily new OLED displays got in time.Parts here :https://www.buydisplay.com/graphic-i2c-0-69-inch-9...

25/11/2021

https://youtu.be/cvURwblO66k

Test DIY MPPT after one month of perfect duty. After few days of cloudy sky, finally a nice sunny november day...let me test a full charge power to almost de...

25/11/2021

https://youtu.be/2t_1T5ZyCjA

Time for replacement a ruined COB LED lamp.

10/11/2021

https://youtu.be/SBHE2QzHbhU

Interesting tennis tutor machine get fixed.

10/11/2021

https://youtu.be/WEdDAKJlriQ

How to tune a simple wire antenna to a certain frequency using NanoVNA

10/11/2021

https://youtu.be/yRvDEa0ZFkE

Bluetooth speaker cabinet fix

10/11/2021

https://youtu.be/egQXfxo9S-o

I was looking for a windshield to get rid of boomy sounds from my DIY lavalier electret microphone. I used what I had around and it's working great. An idea ...

10/11/2021

https://youtu.be/r5I6-4k401o

Checking an improvised antenna length with NanoVNA V2 3G Vector Network Analyzer 50kHz-3GHz For Shortwave HF VHF UHF, from an InEar Monitor fixed few weeks ...

10/11/2021

https://youtu.be/9mt359dN2Dc

In my hunt for a good microscope, just find Mustool 600X, with excelent price, solid stand and..surprize USB video on the PC screen. BTW, the included 4.3' ...

10/11/2021

https://youtu.be/CHKsSbQfKvY

After testing a 1600X , now it comes a new 50-500X magnification USB digital microscope. Very useful but needs a better stand and proper place on the bench. ...

10/11/2021

https://youtu.be/hdLf6EVb0lc

No more local recordings due to a bad microSD card...turns this nice and useful Jennov Wireless Security Camera in press-papier!

10/11/2021

https://youtu.be/O8CTksRh0oo

Some memories about travels and listening Shortwaves radio and fixing a display problem on a Grundig YB300 World Radio

10/11/2021

https://youtu.be/q36DiUM9sOI

An old but trusty SRICAM 003 suddenly lost connection..Diagnose and fixing.

10/11/2021

https://youtu.be/UaTH5vO7S2w

Recovered Li-ion cells capacity test. After venting the contacts established but the capacity is way down.

07/11/2021

https://youtu.be/HetEDTDmJmw

Easy way to recover Samsung ICR 18650 cells after no voltage present.

07/11/2021

https://youtu.be/qLi5JFSkfDw

Sorry my mistake it's 3S2P Pack!!!Don't do this at home! It's really dangerous!I was curios to see if a ''dumb'' 12V power supply can be used to charge a 186...

07/11/2021

https://youtu.be/YwUCkzL43CE

Using YR1035+ Low Z resistance and Internal battery resistance meter for testing and compare Li-ion cells, any kind of batteries.Also how to make a low Z shunt.

07/11/2021

https://youtu.be/FgBQ6fLGhcg

Let's do a simple 2S3P Li-ion 18650 battery from left overs! A look inside of an Ammeter too.

07/11/2021

https://youtu.be/8gogpCbitLw

Just find out the standby consumption of Solartronics NP12 600W pure sine wave inverter is bigger then the load! Such a waste of energy....

01/10/2021

https://youtu.be/I7DjWn76auE

By request how to do a simple solar power install, about solar chargers and panels.00:25 Description 01:56 PWM controller install03:45 How a PWM controller w...

01/10/2021

https://youtu.be/YY24qziCI44

A broken antenna and a phones output connector makes an in -ear personal monitor almost unusable ..let's fix it !00:08 intro02:10 diagnostic03:58 dismantle04...

01/10/2021

https://youtu.be/YzOLyjud2vA

Testing the solar production in cloudy day vs sunny day.Turns like 10% efficiency..better than nothing!00:15 intro00:46 MPPT power in numbers in a cloudy day...

01/10/2021

https://youtu.be/OmGknuWtvIc

I just used parts I already have around the house for improvising a solar panel stand..it's ugly but is doing the job..for a while!