Hello everyone, here I have a 9v 600mAh li-ion rechargeable battery it , it works fine powering the arduino with a 9v snap connect to barrel jack. I tried multiple ways to to connect the 9v driver board direct to the stepper motor driver board uln2003 that didn't work, I then tried to use the breadboard and connect the 9v batter to their and then I saw red lights quickly flashed and then quickly faded. I'm using 28byj-48 5v dc this is where I bought it from Amazon.com.
This is how they think I should do it . Can anyone help me with any shortcuts to complete this the easiest way. Can I connect this to the arduino itself? I should mention that the stepper motor got really hot even the the driveer board lights weren't on.
Arduinos are not power supplies. Power the Arduino and your devices separately with a common ground is easiest. 9v batteries do NOT last with ~200mA draw. Best is if you have a nice, solid, +5 (or 3v3 as reqd) supply so the onboard Vreg doesn’t get used.
if you want long term reliability you need to move from breadboards to screw terminals for both signal and power.
Mega 2560 with terminal shield and roll your own Power Distribution Board:
PDB detail
Order a dozen sets of parts and by the time you try enough shortcuts you may have one or two still working. That is a pretty picture with a lot of missing information and no links to "Technical" information on the hardware devices. Your azon link is useless. If you read the posts of this Forum you will find we do not recommend 9V batteries and why. Get yourself a line powered adapter, something in the 9-12V range at 2 Amps. A SEPIC (Buck/Boost) converter is also handy. Generate a simple schematic as wired, hand drawing is OK but annotate it with voltages etc. Also include links to "Technical" information on the hardware devices.
This problem has been fix it is working great now
And so, to re-pay those who tried to help and for those that happen on this thread in the future, it would be the polite thing to tell us what the solution was and give credit to those who contributed to that solution.
I appreciate everyone here for their long term better solution , I found a quick fix on YouTube with a different schematic layout that I followed. Thanks for everyone time
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