I finally purchased an EZ-B, I didn't go with the kit (on a budget) just the board. My Idea is to make an autonomous vacuum, built out of junk I have laying around.
parts list:
#1) EZ-B
#2) 4 dc motors (probably only 2 needed)
#3) 2 h bridges ( probably only 1 needed)
#4) distance sensors
#5) 4 servos
#6) small camera I had lying around
#7) Old Handheld Vacuum
Needed Parts:
#1) Battery pack (specs unknown at this point)
#2) some sort of homemade seal for the vacuum nozzle ?
#3) some sort of wheels
#4) a platform or container or some sort
two choices of vacuums this one has its own battery and charger. though its a pretty weak vacuum.
this one is a car vacuum (no battery) voltage is probably 5.v?
here is the camera I have (tested with EZ-Builder) seems to work well.
h bridge
here is the h bridge, I believe it will work with the EZ-B, it's kind of an overkill
servos
here are the servos ( for camera and distance sensor movement)
motors
here are the motors....
I made a mistake and purchased the h bridge from china....now I have to wait forever lol.
and that's all I have at the moment...
any and all feedback or constructive criticism is welcome. I don't offend easily so don't be shy....lol
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Motor
In short, do not rush to buy, these engines are good, but
consumption endure h bridges?
How many bridges aguentan h amp you bought?
Double H bridge drive Chip L298N (ST NEW) Logical voltage 5V Drive voltage 5V-35V Logical current 0mA-36mA Drive current 2A(MAX single bridge) Storage temperature -20 to +135 Max power 25W Weight 30g Size:43*43*27mm
I have most of the parts now, (still waiting on the servos) so I wired the h bridge and the two moters up. made wheels out of junk I had lying around. this is a test fit, I did run into an issues with the PWM it only slows and speeds one motor. I might not have it wired correctly, I did not cut any pins on the ena & enb could this cause errors? does it matter which pin I cut? *confused* it's way to fast! like an rc car...lol
i'm going a different route, picked up a cheap rc car from kmart $24.99 ,cut out the board and put in the ez-b.
had to make a custom movement script to make it move correctly.
here is the front wheel gears, i'm probably going to cut the black bar so I can get better movement.
right now it doesn't move left or right that good.so I cant make tight corners when avoiding obsticles it just seams to backup and try to go right,back up and try to go right,....etc....