KIS-3R33S
KIS-3R33S
KIS-3R33S
KIS-3R33S
KIS-3R33S
KIS-3R33S
KIS-3R33S
KIS-3R33S
KIS-3R33S
KIS-3R33S
KIS-3R33S
KIS-3R33S
Finished KIS-3R33S board
Higher output voltage mod #1
Higher output voltage mod #2
KIS-3R33S inductor voltage drop
KIS-3R33S output ripple voltage
KIS-3R33S output ripple voltage
Look what I've found
YauDL - front side with '訂單號'
YauDL - back side
10-turn potentiometer
TO-220 FULLPAK on heatsink
It's alive!
Batsocks BreadMate
Batsocks BreadMate
Batsocks BreadMate
0402 LED - NO!
ATXmega32U4
Batsocks BreadMate USB side
USB ESD protector
ATXmega32U4
Inductive charger pickup
Braun toothbrush inductive charger
Done!
Assembly tools
Cleaning with IPA
More flux added
Got a little solder bridge
Adding flux
Tacked the socket down
Nice symmetry
First tack on the body
IMGP5997
Inserting the micro USB socket
See also...
Keywords
Authorizations, license
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KIS-3R33S
These step-down modules are currently available on ebay for about 40¢ per piece (pack of 20). Input voltage 5V-23V output a bit lower. 3A continuous current, 4A peak. They DO require an additional output capacitor to run stably.
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