Society of Robots - Robot Forum
General Misc => Misc => Topic started by: shyamgenious on March 17, 2011, 09:20:48 PM
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hey guys/gurls
this post is for my upcoming robot and i need to charge some very sensitve li-batteries with steady voltages.
how can i convert the electricity from the mains to useable battery voltage like some 9 volt??
do i use resistors? i need to test run my motors and need to check servoswith eltricity and am awaiting shipment so plz help to the earliest.
regards
shyamgeni
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Do NOT use resistors as there will not be the isolation needed for safety. We don't want you to get electrocuted.
The easiest and cheapest is to buy a Wall Wart AC to DC power supply or use one from some electronic device that is now dead.
How much current at 9Volts do you need?
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Do NOT use resistors as there will not be the isolation needed for safety. We don't want you to get electrocuted.
The easiest and cheapest is to buy a Wall Wart AC to DC power supply or use one from some electronic device that is now dead.
How much current at 9Volts do you need?
:o i definitely dont wanna get electrocuted :-X :'( ??? but can you elaborate upon the term electronic devices?? do i get the conversion unit from electrical devices?as i have opened many electrical devices and have some experience is the wiry thingy used in battery chargers the ac-to-dc converter??i hav a big transformer exactly....il tell you tomorrow how many volts but till then plz answer my bove Qs
rgeards
shyamgeni