Screw Shield for Arduino battery charge but you could solder the

but you could solder the wires to header pins

Chain input allows reception of data from multiple Mini Maestros using a single serial receive line without extra components (does not apply to Micro Maestros)

Select the power source "USB" or "BATTERY" by theslide switch on the edge of the board

and has 1-bit white/black and 1-bit red full display capabilities

Screw Shield for Arduino battery charge but you could solder theThe Arduino Compatible Screw Shield is a terminal expansion board that can be screwed directly to the terminal on the thread and is reliable and convenient. It can be plugged into the Arduino controller. You can use this shield to save yourself from the bad port connection. Feel secure with this arduino compatible screw shield.