pranav
India
Asked
— Edited
Resolved by jstarne1!
I need to provide external power for the servos as I'm using a lot of them. Can any one suggest any voltage regulator for the external supply of voltage and how do I connect them to the servos. Does anyone have some images of the wiring that would guide me...
Which voltage regulators shall provide the juice for the servos? I have four servos in each arm of the robot. Shall I use one voltage regulator for each arm?
Thank you, then how is the bluetooth powered?
on the same regulator as the ic is i think~
Thank you @cosplaying_bunny , Now i knew that even my second regulator i.e. MIC29300 is also damaged... I coldn't get that regulator here... So is there any other voltage regulator that can be replaced with MIC29300 that has the same pins?
Please guide me through this...
Digikey.com has them and they do international mail
Here, I post the video of my problem with the voltage regulators...
I guess the problem might be the capacitors that are associated on the board to the voltage regulators... @DJ please help me out as to what are the capacitors that are connected to the VR1 and to VR2 so that I can replace them with the ones compatible to the regulators I'm using...
Is it actually with the capacitors?
@pranav , I took a look at the video and I will look closer later today. The capacitors are in parallel not series so they can literally be completely removed and ezb still function. So you can eliminate capacitor as being your problem. It does appear your voltage regulator setup is functioning
Yes Josh, the voltage is appearing... But the LED on EZB and Bluetooth are not glowing and the voltage between 5V and GND is 1.2V... So, I'm confused... eyeroll eyeroll eyeroll
@pranav , it appears the board etchings may have been shorted out , because your barely getting voltage through them. The last component I can think of testing is the the resistors. Those are the only other inline components besides the etching that could have been damaged to cause these test results. Remove power , the chip and Bluetooth. Check the ohms of the resistors. Make sure they are within reasonable tolerance. If they have been damaged they may not allow voltage to pass through as normal. If the resistors are outside 10 percent tolerance then replace them. If they are correct impedance then it's the etching of the board thats damaged.
Sidenote: if the board etching is damaged though that will prevent the function of ezb you could try soldering jumpers from ground to the ground on the IC socket and power from regulator to the IC socket. That would bypass the damaged etching in the board. That's a last ditch effort to revive a badly damaged board so follow the resistor tests first.