Data Sheet

• 1×2 low-profile male header for battery level jumper (shorting block included)

A-Star 32U4 Prime LV microSD

A-Star 32U4 Prime SV microSD

This version adds the microSD card connector and level shifters, as well as a third

1×2 low-profile male header and shorting block for the microSD CS jumper, but is

otherwise identical to the preceding version.

A-Star 32U4 Prime LV microSD with LCD

A-Star 32U4 Prime SV microSD with LCD

This version is the same as the preceding version, but it comes with a 8×2 character

LCD [http://www.pololu.com/product/356] (with 2×7 female header soldered), and the

following parts are additionally soldered to the board:

• LCD connector (2×7 male header)

• 3.5 mm screw terminal block

For users wishing to populate some or all of the through-hole parts on an SMT-only version of the A-Star 32U4

Prime (or to add more functionality to another version), we offer an A-Star Prime accessory pack

[http://www.pololu.com/product/3110] that contains these items:

• four standard Arduino female headers [http://www.pololu.com/category/50/0.100-in-2.54-mm-female-headers] (one

1×6, two 1×8, one 1×10)

• four 1×25 male header strips [http://www.pololu.com/product/965]

• 2×3 male header (ISP)

• 2×7 male header (LCD)

• 2×7 female header [http://www.pololu.com/product/1027] (LCD)

• 1×2 female header [http://www.pololu.com/product/1012]

• 1×10 low-profile male header strip

• three low-profile shorting blocks

• buzzer

• DC barrel jack [http://www.pololu.com/product/1139]

• 2-pin 3.5 mm screw terminal block [http://www.pololu.com/product/2444]

The 8×2 character LCD [http://www.pololu.com/product/356] is also available separately.

Note: The A-Star 32U4 Prime does not come with a microSD card. The microSD connector is an

optional feature that can be used to increase the data storage available to the board, but it is not

required.

5. A-Star 32U4 Prime Page 19 of 47