View Full Version : smps2dynamixel power jack

12-31-2011, 07:25 PM
Hi, can someone tell what is the type of smps2dynamixel power jack? I`ve tried a couple of jacks from my power supplies, they fit into the Bioloid Premium Lipo charger but not into the smps2dynamixel.

01-01-2012, 05:42 AM
The power jacks on my SMPS2Dynamixel, CM5, and LiPo charger all have 2.1mm centre pins, so one plug should fit all. There is often wide tolerance on the pins, but the Robotis 12V power supply has a sprung centre socket pin.

01-01-2012, 07:36 AM
Thanks for reply. I guess I`l have to go to an electronics shop and find the one that fits by trial and error.

01-01-2012, 10:51 AM
Trial and error is right :confused:

For reference I tried a 2.5mm drill bit and a 2.1 mm drill bit. Neither fits into their respective sizes on connectors where the center is solid and drilled, though a 2.0 fits into the 2.1 and 2.4 fits into a 2.5 !

Measuring centre pin is a pain even with a a caliper due to recess. Also the different end finish ( rounded, bevel) make identification worse.

I ended up keeping a reference set of 2.1 and 2.5 plug and socket.

Note : while 2.5 plug will fit in 2.1 socket, reliabilty is poor. In fact better quality supplier makes worse connection!