Nikola Tesla 12-Volt 4-Battery charger circuit impossible? DIY



Nikola Tesla 12-Volt 4-Battery charger circuit impossible? Nikola Tesla demonstrates this with his “4-battery switch” system where he chooses to use four identical batteries to implement this circuit. The current flowing through the bulb can be arranged to be a charging current for another battery. It can both light the bulb and charge another battery without needing any extra current. And now, the newly charged battery 2 lights the bulb and charges up battery 3 again. Seem impossible? Well it isn’t!

If you like my Demonstration-Experiment click the “like” Button. SUBSCRIBE► https://www.youtube.com/user/GIORGOSXANIOS?sub_confirmation=1 SHARE with your Friends… Feel free to post your Positive or Negative comment! SUPPORT my “work” DONATE for materials & equipments – Magnets & Magnet Wires, Lab TOOLS & any other building supplies, variable Power Supply ect. This would HELP my Research. Stay Tuned and Enjoy! https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=GZEK5PYGW9D38&lc=GR&item_name=GEORGE%20CHANIOTAKIS God Bless Thanks-ELEMAN.

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FIXED! DJI Phantom 4 Pro Remote Control Battery Charge Issue [Disassembly, Repair, Reassembly]



UPDATE! : A viewer using this method had good results using a higher reflow temperature (350° C) for shorter time and helpfully suggests using thermal tape to protect plastic pieces! See the comments section.

ORIGINAL DESCRIPTION: This video describes a possible fix to the DJI Phantom 4 Pro controller failing to charge or show an accurate battery charge. By reflowing key connecting points on the controller’s circuit board, I was able to restore full functionality.

Did this technique work for you? Please leave any comments or questions in the comments area!

Mentioned in this video:

DJI message boards post by Rainer1: https://forum.dji.com/thread-116313-1-1.html

Videos by Robson Raul (Portuguese language): https://www.youtube.com/channel/UCcApFx1zdTlvuB4TQQtjAWA/videos

Please note that this technique may involve risk and should only be attempted if your device is unable to be repaired by a professional technician. Any attempted repair is done at your own risk!

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How to Make Automatic 12V Lead Acid Battery Charger Circuit Board



Get 10pcs PCB boards for $2 & Big Shipping discount on First order: https://jlcpcb.com
In this video, I will show you how easy it can be to design your own Automatic 12V Lead Acid Battery Charger Circuit Board and have them manufactured professionally at https://jlcpcb.com JLCPCB is the largest PCB prototype enterprise in China and a high-tech manufacturer specializing in quick PCB prototype and small-batch PCB production.

You can use this circuit to charge12V 1A ~ 12V 7A Battery.

List of Components:
R1,R3 = 1K https://goo.gl/4XW5DR
R4,R5 = 1.5K https://goo.gl/V1jUMS
R6 = 10K https://goo.gl/RVB6fy
R7 = 1.2K https://goo.gl/7pZQ96
R2 = 1R5W https://goo.gl/Yq1ouh
PR1 = 50K https://goo.gl/S94qgc
Q1 = D882 https://goo.gl/VbDHWe
D1 = 1N4732A https://goo.gl/2hcQtB
D2,D3,D4 = 1N4007 https://goo.gl/CqfNDo
Relay = 12V https://goo.gl/t87Jg3
U1 = LM7815
5MM LED = Red,Green,Blue,Yellow
Alligator Clips = 2
Jumper = 1 https://goo.gl/1xS713

IMPORTANT NOTE:
I designed this circuit to charge your battery @ 70% to 75% only due to some safety reasons. If you want to make it for 100% charging, then remove the LM7815 and connect directly 18VDC supply and set tripping point at 15.8 ~ 16V. and always use 5 to 6 times lower charging current from the maximum value of battery current. i.e 1.2A for a 7AH battery.
*This circuit Has not any current limiting feature.(except 1R5W Resistor)
**This circuit is not 100% Perfect, but it is still very useful for hobby/DIY projects.
***Make it at your own risk.

Circuit Diagram:
https://www.mediafire.com/file/fc9ndo9hnxqk0ff/Schematic_12V-Battery-charger.pdf
PCB Gerber Files:
https://www.mediafire.com/file/h63of8mum6zmlta/Gerber_Battery+Charger+PCB.zip

Instructables:
https://www.instructables.com/id/How-to-Make-a-12V-Lead-Acid-Battery-Charger-Circui/

TOOLS:
soldering kit: https://goo.gl/c3xCJH
Soldering Wire: https://goo.gl/Jb6tEi
Soldering Paste: https://goo.gl/16xrgn
Third Hand Tool: https://goo.gl/5vCAiu
Muktimeter :https://goo.gl/WxwQ2J

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Arduino Controlled 12V Battery Charger Circuit



This charger circuit charger the battery in two state i.e. Bulk State and Float state.
For Circuit Description and Software Code please visit the link
https://bestengineeringprojects.com/arduino-controlled-12v-battery-charger-circuit/
Making Video of Adjustable Power Supply circuit

Making video of Arduino and LCD interfacing

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how to make 12v Automatic battery charger circuit diy



circuit diagram: https://www.youtube.com/redirect?redir_token=m0KoqiL0yE7z15oLoZKbpK9LiKJ8MTUzOTAwNDU3NEAxNTM4OTE4MTc0&q=https%3A%2F%2Fdrive.google.com%2Fopen%3Fid%3D0B6rqfDBG5DHLMTN0LVlHajFWLTA&v=am7O0jD8kcU&event=video_description

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how to connect 4S battery charger circuit – 18650



Circuito per la ricarica e la gestione di 4 batterie al litio mod. 18650 collegate in serie per ottenere una tensione di 14,5 Vdc.

Il circuito l’ho preso su Aliexpress al costo di 1.98 $
LinK:
https://it.aliexpress.com/item/4S-30A-14-8V-Li-ion-Lithium-18650-Battery-BMS-Packs-PCB-Protection-Board-Balance-Integrated/32814328451.html?spm=a2g0s.9042311.0.0.5d2e4c4dWeL9SG

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HOW TO MAKE AN AUTO TURN OFF CIRCUIT FOR BATTERY CHARGER



HOW TO MAKE AN AUTO TURN OFF CIRCUIT FOR BATTERY CHARGER
hello everyone i have made an auto turn off circuit for battery charger it can be used with 9v or 12v battery chargers
it is a cheap solution to prevent your battery to be over charged

COMPONENTS:

1- 1X 555 TIMER IC

2- 1X 8 PIN BASE

3- 1X LM7805 EGURATOR

4- 1X 12V RELAY

5- 1X 10K OHM VARIABLE RESISTOR

6- 1X C945 TRANSISTOR 100 UF CAPACITOR

7- 1X 1N4007 DIODE

8- 1X RED LED

9- 1X GREEN LED

10- 2X 220 OHM RESISTORS

11- 1X 10K OHM RESISTOR

12- 1X 47 UF CAPACITOR

13- 1X PIECE OF VERO BOARD

14- JUMPER WIRES

circuit diagram
https://drive.google.com/open?id=0B-Qp2vfvQRGZUklaUGNzbndIcFE

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Low cost |How to make a 12 volt battery charger (1Ah-35Ah) at home



in this video you how to make 12 volts below 35Ah lead acid battery charger using the step-down transformer 1 amp 12v -0- 12v
—————————————————————————
component are:-
1) 1N4007 diode -4
2) 1000uF/25v capacitor
3)470uF/40v capacitor
4) LM7815 regulator
5) 12v-0-12v,1A transformer
6) 1k ohm resistor
7) LED
this is very quick charger in 4 to 5 hours
—————————————————————————–
Click the link see the more videos on the playlist
1)Monitoring & controlling project circuits – https://goo.gl/UUT2CG
2) Inverter circuits – https://goo.gl/xz33Uu
3) Chaser LED lights circuits – https://goo.gl/5aRnU4
4) DC Power supply circuits – https://goo.gl/yt4fuP
5) Remote control circuit – https://goo.gl/rJzx1d
6) LED based circuits – https://goo.gl/pga5qh
7) Relay based circuit – https://goo.gl/Q4r7XM
8) PIC Microcontroller project – https://goo.gl/9tNaVm
9) Relay based circuit – https://goo.gl/J4u8BD
10) Battery controller circuits – https://goo.gl/YVHokC
11) Repair works – https://goo.gl/11uPxn

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Auto Cut Off 4 Volt Battery Charger – Auto Cut Off Circuit



Auto Cut Off 4 Volt Battery Charger

In this video, I will going to show you How to make auto cut off 4 volt battery charger. This auto cut-off 4-volt battery charger automatically disconnects from mains to stop charging when the batteries are fully charged.

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Every Circuit – Half Wave Battery Charger


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