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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AC INDUCTION MOTOR CONVERSION TO AC PERMANENT MAGNET GENERATOR
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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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.
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.
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
Making Video of Adjustable Power Supply circuit
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 $
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
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
1) 1N4007 diode -4
2) 1000uF/25v capacitor
4) LM7815 regulator
5) 12v-0-12v,1A transformer
6) 1k ohm resistor
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
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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