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DIY Wireless AC Line Tester with 5V USB Power
1:29
DIY Wireless AC Line Tester with 5V USB Power
Build your own 220V AC to 12V DC Converter Circuit
1:47
Build your own 220V AC to 12V DC Converter Circuit
Building a solar power bank from a mobile battery
1:57
Building a solar power bank from a mobile battery
DC Motor deduction change circuit
1:57
DC Motor deduction change circuit
how to build a automatic LED Light tester
1:59
how to build a automatic LED Light tester
1 in 3 Oscilloscope Multimeter and Signal generator Fnirsi 2C53T
3:54
1 in 3 Oscilloscope Multimeter and Signal generator Fnirsi 2C53T
Make battery spot welding machine
2:21
Make battery spot welding machine
Convert an old speaker into a Bluetooth speaker
3:13
Convert an old speaker into a Bluetooth speaker
How to make an Induction Heater circuit
3:47
How to make an Induction Heater circuit
emergency energy source for camping
2:40
emergency energy source for camping
OWN made LED tester circuit using transformer
1:47
OWN made LED tester circuit using transformer
50 watt LED driver make at home
1:25
50 watt LED driver make at home
FNIRSI LCR ST1 Mini Smart Digital Tweezer LCR SMD ESR Tester
3:01
FNIRSI LCR ST1 Mini Smart Digital Tweezer LCR SMD ESR Tester
DIY Dual power supply max 64 volt
1:33
DIY Dual power supply max 64 volt
Make a Soldering iron Using Resistor
3:03
Make a Soldering iron Using Resistor
Best Power Bank Make at home 18650 battery
4:22
Best Power Bank Make at home 18650 battery
digital clock diy kit project assemble at home
5:46
digital clock diy kit project assemble at home
FNIRSI DWS-200 Intelligent Soldering Station
6:48
FNIRSI DWS-200 Intelligent Soldering Station
build a Speed control Timed Flasher circuit
1:50
build a Speed control Timed Flasher circuit
You won't believe this is a great invention | DIY sander machine
3:20
You won't believe this is a great invention | DIY sander machine
FNIRSI HRM-10 Battery voltage Internal Resistance Tester
4:55
FNIRSI HRM-10 Battery voltage Internal Resistance Tester
DIY Power ups for WiFi Router | this ups can run 4 devices
5:16
DIY Power ups for WiFi Router | this ups can run 4 devices
[Brand new] FNIRSI HS-02A electric soldering iron review
4:41
[Brand new] FNIRSI HS-02A electric soldering iron review
DIY 12 volt Battery Only Using 3.7V lithium ion Cell
4:34
DIY 12 volt Battery Only Using 3.7V lithium ion Cell
How to Make Long life Battery For Inverter
7:03
How to Make Long life Battery For Inverter
How to make a 3 channel led chaser without any IC
3:13
How to make a 3 channel led chaser without any IC
DIY Lithium (18650) Replacement for 4 volt Lead Acid Battery
3:55
DIY Lithium (18650) Replacement for 4 volt Lead Acid Battery
How to Make Zener diode Tester circuit
3:05
How to Make Zener diode Tester circuit
Building Smart Sound System with Modern Techniques
3:43
Building Smart Sound System with Modern Techniques
How to Repair a 6 volt Battery
3:19
How to Repair a 6 volt Battery