I could not find a Cytron Shield MDD10
I could only find the Shield MDD10A which has a different Pin layout.
The MDD10 mounts perfectly on a Arduinio Uno.
Datasheet from Cytron:
(sry no Hyperlink, i am a new user and can only add 2 Links. Datasheet is available on the first link)
Type
I did not read this
Breakout board, sub assembly, plug in module (A)
Antenna (AE)
Battery (BT)
Capacitor (C)
Diode (D)
Display (DS)
Fuse (F)
Hardware , mounting screws, etc. (H)
Jack, fixed part of a connector pair, header (J)
Relay (K)
Inductor, Coil, Ferrite bead (L)
Loudspeaker, Buzzer (LS)
Motor (M)
Microphone (MK)
Plug, moveable part of a connector pair (P)
Transistor (Q)
Resistor (R)
Thermistor (RT)
Varistor (RV)
Switch (S)
Transformer (T)
Integrated Circuit (IC)
Crystal, Oscillator (Y)
Zender diode (Z)
Other (please specifiy)
Motorshield (MS?)
Footprint
E.g. SOT23-5 , TO-220.
This usually does not apply to breakout boards.