watch this to learn more, it shows hacking that I couldn’t find on the net.
SJ40001 Wifi dash car camera
Finally SJ4000 wifi arrived, my old camera broken, I have ordered this one, watch to learn more.
Build your own Karcher K2 battery fast charger
First on video I said K4 but this is K2 machine (after I rechecked this out) This shows how to build fast battery charger
Ninebot Mini Pro battery FIX
This is ninebot mini pro battery that is not working. See how to fix it.
“Game Changing: Convert LED Lighting with THIS Battery!”
Found old LED that doesn’t work, since it uses the old versions of lead acid, I have decided to convert it to lithium battery watch this to learn more.
Must have electronic tool
watch this to learn more, basically this is helping you to debug your electronics. Since if you have a short – most likely it will be hard to find the […]
DIY Fix Iphone 12 Broken Back Glass Cover
See step by step how to do it To support my site use the links below glass breaker pen
Fixing Dyson V8 not working
watch this video to learn more how to fix this issue. You need to completely discharge your battery before disassembling it
Best Power Bank in the world!
Watch this to learn more about this power bank. It is not cheap – but probably worth the money
Lenovo X1 Carbon (4 Gen) – not powering up
I got this for free, and was wondering if this is fixable, so I gave my best to try.
Lenovo Laptop replacing Noisy Fan DIY
watch this video to learn more, this is a little complicated, but if I done it, anyone can do use the links to support my site
Neato D3 Problem and Disassembly
This is a unit that I have found I have repaired the battery, but still it is not working After disassembling I could not see any problem, so waiting to […]
Fixing LED Lamp Inverter
See in this video how I have managed to fix it use the links below to support my site
Dyson V10 pulsing Solving problem!
If it is not filter, and not battery? – sometimes it is related to the motor. Watch this video to learn more My assumption is that when you are blocking […]
DIY Dyson V10 not working, See how to repair at home
watch this video and learn how to replace broken trigger.
DIY Fix Iphone 12 Broken Back Glass Cover
This is a brand new Mac book Air Model 2020 with 16GB of RAM and 512GB SSD See the unboxing Also new links for Black Friday below
Fixing Dyson V6 Battery
Disclaimer!: all batteries should be totally discharged! – you need to be familiar with lithium hazard and treatment before starting to do anything.
Unboxing DJI Mini Mavic 3 Pro and first impression
this is quick unboxing for mini mavic 3 pro To support my site use the links below
Dyson v10 Motor Electronics Disassembly and how it works
I was amazed by Dyson – see how this works Watch the video to learn more to support my site use the links below
Dyson V10 secrets and how it works
Learn how Dyson really works from technical data And what are the wires and sensors
Bosch Washing Machine Controller explain
This is the controller of my old washing machine, watch to learn more use the links to support my site
Ugreen HDMI adaptor from USB Type C
This is an adaptor that I have bought for MACBOOK, see how it works ..
How to Revive Lithium Cells 18650 with 0.6V – From Ninebot Mini Pro Battery
This was taken from dead battery of Mini Pro, I have measured very low voltages, down to 0.6V, so I have decided to check if this can be revived … […]
Best electricity connectors ?
watch this and learn more, I have found that these connectors are really good!. If you have home work for you – this is surely much more convenient and safe […]
Testing AEG/Bosch/Electrolux water pump and cooling Fan
This is the last video after disassembling my broken AEG and testing the parts that I have removed from this machine, watch this video to learn more
Knipex Precistrip16 best wire striping tool ?
This is my best wire stripping tool for now, all other are much worst after a short time of use, this type looks much better in term of quality watch […]
Fluke AC live wire detector model 1AC-C2 and 2AC-C2 unboxing and testing
Live electricity wireless detector, see how this works
How to Spin AEG BOSCH ELECTROLUX Dryer Motor
I tried to find how to connect this Motor Wires, But I couldn’t, I have decided to Explain how to do it, this is dangerous and you need to be […]
AEG Dryer 7000 Series disassembly
Watch this video and learn how to disassemble this machine. The Dryer is AEG 7000 Series, but same like Bosch or Electrolux Machines
Quick Unboxing Macbook Air 2020 16GB Ram and 512GB SSD
This is a brand new Mac book Air Model 2020 with 16GB of RAM and 512GB SSD See the unboxing Also new links for Black Friday below
Convert every LED to emergency Light
This method enable to convert any LED light to emergency, this controller is doing all the work of charge, and emergency light when power stops. Watch this to learn more […]
DJI FPV Getting Started
See how to start correctly Here are some links to support my site:
Convert every LED to emergency Light
This method enable to convert any LED light to emergency, this controller is doing all the work of charge, and emergency light when power stops. Watch this to learn more […]
Fixing SONY Thrustmaster T150 RS Racing Wheel connected to wrong voltage
My friend son by mistake connected this racing wheel to 220VAC instead of 110VAC, the device immediately stopped working, watch this and learn more
RJ45 Ethernet cable tester UT681
This is a very recommended and simple tool to test your RJ45 cable, watch this video to learn more
Duracell Best Rechargeable Batteries ??
This is a test of Duracell 2500mAH batteries, watch to see the results
DIY 18650 Protection Circuit BMS
This shows how to do it – in elegant way, professional BMS, watch and see how I did it
Fixing Lenovo Laptop X250 After fall (Leds stuck wouldn’t restart) – Part2
This helped me to fix my laptop after falling to ground from 0.5m height, see video
Fixing Lenovo Laptop X250 After fall (Leds stuck wouldn’t restart) – Part1
This helped me to fix my laptop after falling to ground from 0.5m height, see video
Energizer Lithium NON Rechargeable AA and AAA Capacity Full test!
This is a test of Lithium cells AA and AAA Energizer NON Rechargeable!!! also compared the regular energizer (Alkaline)
Converting 12V Lead Acid to Lithium
Watch this video to learn more, this is an empty box for this
Liitokala High Drain 35A cells – full review and test
these are the highest current rate cells – till the this video, see how they works. Here are some details about these cells:
Flipsky Best Motors controller ? (programable) – Part 3
This is an overview how to start working with the board and the SW.
Flipsky Best Motors controller ? (programable) – Part 2
This is an overview how to start working with the board and the SW.
Flipsky Best Motors controller ? (programable) – Part 1
See this programable BLDC controller – theoratically it can learn to run any motor Watch this video and see how
Sonoff Mini Unboxing and using
This is a quick unboxing and testing of the Sonoff Mini – which looks like a very good product! The size is tiny – and it can fit to any […]
Disassemble Karcher K4 Pressure washer
I found this – and tried to fix it, unfortunately this didn’t work well. Watch to learn more
LCD JETPOINT – QFP chip Removal PART1
Found this on garbage, so decided to give a try to fix it. I have ordered new chip from Aliexpres, waiting for it to arrive 🙂
Karcher Pressure washer Model:k2 battery
This is a very nice machine, see it in action below, I was impressed and it worked very well for me. The battery time is about 20 minutes – but […]
Skateboard controller with Ninebot Scooter Motor ES2
This is how to run Skateboard controller that works pretty good! watch to see:
Sonoff 110V/220V to 5V change
This shows how to convert Sonoff 110V or 220V to 5V, watch this video and learn how to do the modification, very simple.
Design, Build and Test Red/Green LED with Single press change
This was done in order to use it for several games … you can find them yourself 🙂 Step by step the from idea, concept to circuit.
How to Build your own 18650 Battery Pack with BMS Professionally
This is a step by step guide – how to do it professionally, Watch this video to learn how
How to Build 5 Hours Continuously Emergency Led Light 18W
watch this video and learn how, one correction to last diagram, the current out is 350mA to LED 57V, the 1A is the consumption from 16V battery.
Ebay / Aliexpress Spot Welder more than 550 Spots!!
This is a test to see how many Spot it can do on a single charge. Watch this video to learn more
Fixing Baseus Soap Dispenser – Again!
After couple of months it was broken again …. So I had to do something more professional to fix it, see how
SDR Radio Fixing
Got this non working – so I have decided to open it and try fixing this. Watch this video for more information
Ebay / Aliexpress Spot Welder more than 550 Spots!!
This is a test to see how many Spot it can do on a single charge. Watch this video to learn more
Smart BMS tear down
This is disassembly of Smart BMS Chinese version with Bluetooth. The Mosfets in use are KIA2803A N-ch Mosfet , RDS(on)=2.2mΩ(typ.)@ VGS=10V Drain-source voltage VDSS 30 V
Aliexpress Spot welder disassembly
This is a disassembly of spot welder from Aliexpress operated with battery, working very well!
Recommended BMS for Lithium and LiFEPO4 Batteries
This is a new BMS from China – smart one working well!, see how I made it to work with LIFEPO4 batteries although it was bought for LITHIUM 4.2V
Mini hand held Tiny Spot Welder
This is a new Spot Welder cheap one and nice – watch this video to learn more The battery capacity is 7Ah (not tested) – lithium 4.2V
Very accurate Micro Meter – cheap!
This is a test of new Micrometer that I have ordered from Aliexpress, it works very well! You need it for measuring very thin materials such as a Nickel strip, […]
SDR Radio Broken
Got this however it came not working properly, see why … Next I will try to fix it
Extending DC to DC boost to higher voltage
This is DC to DC that I have bought from Aliexpress. It is step-up input voltage 8.5V-48V and Output 10V-50V can handle 10A 250W But the problem with this guy […]
BIFRC Spot Welder How many spots can weld ?
This is a test how many Pulses can get out from BFIRC Spot welder, watch this:
Fm Spy Bug Transmitter – Part1
watch this tiny bug transmitter tests, in the next videos We will test this more professionally, Using Spectrum analyzer to find how the transmitting looks like
Honda Civic Hibrid Battery Capacity Test
This is capacity test to Honda Civic Hybrid car, I was searching for such a data but couldn’t find it so I have decided to test it myself.Watch this video
Fixing dead Advice 600VA UPS
Found this on garbage and decided to have a look why not working .. watch this and learn how
Daly Smart BMS Blue Tooth and PC control
This is a continue review of Daly Smart BMS watch this out Please see few guys asked me about the PC SW, so I have prepared this one that you […]
Arduino Uno LCD Touch for Spot Welder
This is the Basic function you will need to adjust the pulse if you want to build your own spot welder.
How to Fix Samsung LCD Monitor (SyncMaster T240)
Found this in garbage, so took it to see how to fix this one, watch this video and find how
Control Wall heater with Arduino
Since my new wall heater after disconnecting power- starts at 23 degrees Celsius, I have decided to solve this out.
Aliexpress cheap Spot Welder
Bought this – I thought there is something inside, but eventually nothing is there … Watch this one
Daly BMS copy? – testing
I have found these on Ebay, and decided to do test to see how good they are, see this video how.
Aliexpress 3S cheap BMS 25A testing
This is a test of BMS from Aliexpress 3S Lithium, the test is for over voltage – while charging, and under voltage while discharging.
Stopping Heater buzzer
I bought this Wall mount Bath heater – however the beeping sounds every press on remote are so annoying that I had to fix this, watch how
Maxwell and GW Super Capacitors capacity test Vs Battery Capacity
This is explanation and test of Super capacitor capacity VS battery capacity See the charging and discharging of both capacitors, measuring capacity at low current discharge (330 mA), testing also […]
Board with 6 x Super capacitors 500F 2.7V good for Welders
This is a quick explanation about super capacitor board with 6 x 500F super capacitors Enjoy …
Aliexpress 3S 4S 100A BMS – Heltec BMS not balancing and not protecting cells?
I have bought this – overall it looks like the build quality is good, however it is not balancing, and not protecting when cell voltage is different .. watch this […]
Aliexpress Spot Welder fixing and testing
I have found a video how to fix this welder Mosfet burn issue – and decided to test this myself
Best 18650 Batteries, Sony VTC6 continuously! full test – part3 of 3
This is a complete review for Sony 18650 cells Type VTC-6 from Aliexpress, I did many tests include full load of 19A continuously, watch the 3 Videos to learn more.
Best 18650 Batteries, Sony VTC6 continuously! full test – part2 of 3
This is a complete review for Sony 18650 cells Type VTC-6 from Aliexpress, I did many tests include full load of 19A continuously, watch the 3 Videos to learn more.
Best 18650 Batteries, Sony VTC6 30A continuously! full test – part1 of 3
This is a complete review for Sony 18650 cells Type VTC-6 from Aliexpress, I did many tests include full load of 19A continuously, watch the 3 Videos to learn more.
Aliexpress Spot Welder do not buy!!!!
I Finally found power source to test this welder – however it burned out on the first welding spot!, watch what happened
Super capacitor compare to Battery & Measuring real value
This explain about super capacitor, and show how to measure energy and real capacity
Relay On Time and Off Time
In this Video I explain about the relay timing, in order to see about spot-welder and timing issues See this video
Can Daly Smart BMS work on 4.2V cells?
I was wondering if this BMS can work for “regular” lithium cells with Max charge of 4.2V, so I have tested it – see results in this video
High voltage from 3-5V
This shows how to get high voltage from Small PCB with a very low voltage, I also explain about the theory behind this
Aliexpress Black Friday Best deals
This page will give you some of the best deals with huge discounts for black friday 2020 see below I have chosen just few!
Current Voltage Meter LCD Wireless!!!
This is a very good wireless current and voltage meter, see in this video how it worksIt has all the features such as:
Onkyo Receiver Model TX-SR501E No Power On fixing
This is how I have fixed this Receiver – watch this video to find out how
BLDC Brushless Sensor less 3 Phase Motor controller 18-50V 15A (750W) JYQD-V8.5E
This is a new Module that works pretty well, the advantages is that it support up to 50V and up to 15A total 750W and Sensorless ..
Spot Welders Comparison
This is the quick review and compare between different spot welders you can buy them in the links below
LCD Current & Voltage Hall Effect – Part 2
This is Part 2 of this Current Hall Effect and Voltage Meter with Many features as you can learn from this video
Voltage & Current Hall Effect Sensor – Part 1
This is a very impressive LCD with Voltage and Current Hall effect. It can be calibrated and has many more features that I will demonstrate in the next Video.
Ninebot Mini Pro Motor Noise Fix
This Video Shows how to fix Mini-Pro Motor Noise Be careful when removing Stator from Rotor, use gloves, the force of Magnets can cause Serious injury
Sonoff Rf Vs Regular Sonoff
This video shows the difference and how to use the RF Remote to connect to the device.
SmartCompany Street View Privacy Issues Raised Again
Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast of the […]
Are You Ready for AI-Powered Security Cameras?
Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast of the […]
Upcoming SmartCompany Products Guide: Everything We Expect to See and Beyond
Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast of the […]
At Least One of the Recent SmartCPU Roadmap Rumors Is Likely Wrong
Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast of the […]
Wireless Bluetooth Headphones Market Value to Hit USD 150 Bn by 2025
Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast of the […]
SmartWatch Series 6 Specs, Rumours, News and Release Date
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Smartwatch Market Research Report Global Forecast To 2025
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Coronavirus Pandemic: Tracking the Global Outbreak
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SmartDrones Air 2 Photos Leaked
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SmartMedia Fires Chief Creative Officer After Misconduct Investigation
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NBA All-Star Weekend Winners and Losers
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Traditional Sports Relying Upon Esports During COVID-19 Crisis
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Jesssica Novak’ Daddy Sculpture Breaks Record for Living Artist
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The Greatest Undrafted Players in NFL History
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Here’s What Hackers Do With All Your Stolen Passwords
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Adrianna’s New Album: Everything We Know So Far
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WRC Season Hit by More Postponements
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Ecommerce and Online Payment Technologies Market Trends This Year
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Hit Song ‘You Know My Name’ Breaks YouTube Record with Five Billion Views
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James Miller Appointed Tottenham Manager After Pittipaldi Sacked
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Global Electric Scooter Market is Expected to be More Than US $50 Billion by 2030
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World Bodypainting Festival: Models Transformed Into Amazing Artworks
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Top 5 Young Footballers Who Will Take This Year by Storm
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SmartWheels Is Launching Electric Scooters in Germany This Spring
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Looking Ahead: A Release Calendar for Upcoming Albums
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2WD Cars Could Be Out of Top Dakar Class After FIA Ruling
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Coronavirus Symptoms: What Are They and Should I See a Doctor?
Eu arcu. Nunc ornare arcu lacus, quis aliquet odio bibendum non. Nam vitae libero mauris. Suspendisse vitae purus ligula. Morbi sed diam eget dolor posuere convallis vel vel nisl. Nulla sagittis efficitur ex, at sodales massa pulvinar a. Nunc quis lacinia eros. Fusce ac ipsum gravida, tristique sed felis augue dictum nec consectetuer quis. Elementum.
Social Distancing: Here’s Everything You Need to Know
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Coronavirus Latest News: Can I Go to Work Today?
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Patients Encouraged to Talk About Depression with Primary-care Doctor
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What Happens to People’s Lungs When They Get Coronavirus?
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How UK Is Persuading Its Citizens to Get Vaccinated?
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A Doctor Says Chinese Officials Silenced His Coronavirus Warnings in December
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Coronavirus Pandemic Is Accelerating, WHO says
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Xiaomi Fan
This Fan is very nice, he doesn’t have Internal battery like others, but its constructions looks pretty good, it is quiet and consume max current of 700mA, so every Power […]
DJI Support Page
< If you would like to support this site, please use the links below to make your orders: DJI MAVIC 2 PRO LINK from DJI STORE DJI MAVIC AIR FROM DJI DJI SPARK from DJI Store DJI […]
DIY Wire control motorized BED to Wireless Control
DIY Wire control motorized BED to Wireless Control
USB 6 Port Charger, USB Cable, USB LCD Analyzer
USB 6 Port Charger, USB Cable, USB LCD Analyzer
Sonoff Celling Lamp
Sonoff Celling Lamp This Video shows how to connect Sonoff Ceilling and work with it.
Ebay 12V-36V 500W Brushless Motor Controller Part 2
Ebay 12V-36V 500W Brushless Motor Controller Part 2
12V-36V 500W Brushless Motor Controller – Part 1
12V-36V 500W Brushless Motor Controller – Part 1
Design A Long Range FM Transmitter – Part 3 Simulation
Design A Long Range FM Transmitter – Part 3 Simulation
Design A Long Range FM Transmitter – Part 2 Simulation
Design A Long Range FM Transmitter – Part 2 Simulation
HC 12 Uart Transciever Part-3 Improved code – Sharing Code
HC 12 Uart Transciever Part-3 Improved code – Sharing Code
HC 12 Uart Transciever Part-3 Improved code Video
HC 12 Uart Transciever Part-3 Improved code Video
HC 12 Uart Transciever Code for controlling 4 LEDs
HC 12 Uart Transciever Code for controlling 4 LEDs
HC-12 Module Testing Code
code example
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// Just stamping every 10 seconds after 's' is pressed /*Arduino Nano connection to Module: * Connect Power from Arduino Nano From 5V to Module VCC (use Diode 1N4148 to lower the voltage and protect Module) * Connect GND from Arduino Nano to Module GND * Connect Arduino Nano D10 to Module TXD will use MySerial for data-in to Module * Connect Arduino Nano D11 to Module RXD again we will use the MySerial command (Software Serial) * Connect in Module Between VCC to GND 100uF capacitor close as possible to Module Power Pins - This will improve performance of the Module */ #include "SoftwareSerial.h"; SoftwareSerial mySerial(10, 11); // RX, TX int i=0; char s; void setup() { Serial.begin(9600); mySerial.begin(9600); Serial.println("Hello starting in 5 seconds"); mySerial.println("Hello starting in 5 seconds"); delay(5000); Serial.println("Waiting for Pressing s "); mySerial.println("Waiting for Pressing s "); } void loop() { while(s!='s') { if (mySerial.available()) { s=mySerial.read(); if (s=='s') { Serial.println("Starting now ......"); mySerial.println("Starting now ......"); } } } Serial.print("Passed: "); Serial.print(i); Serial.println(" Seconds .."); mySerial.print("Passed: "); mySerial.print(i); mySerial.println(" Seconds .."); i=i+1; delay(1000); } |