µPAD Assembly Guide

%C2%B5PAD%20Assembly%20Guide

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Parts .......................................................................................................................................................... 3
Procedure .................................................................................................................................................. 4
Step 1 .................................................................................................................................................... 4
Step 2 .................................................................................................................................................... 4
Step 3 .................................................................................................................................................... 5
Step 4 .................................................................................................................................................... 5
Step 5 .................................................................................................................................................... 6
Step 6 .................................................................................................................................................... 6
Step 7 .................................................................................................................................................... 7
Step 8 .................................................................................................................................................... 7
Step 9 .................................................................................................................................................... 8
Step 10 .................................................................................................................................................. 8
Step 10.1 ........................................................................................................................................... 8
Step 10.2 ........................................................................................................................................... 8
Step 11 ................................................................................................................................................ 10
Step 12 ................................................................................................................................................ 10
Step 13 ................................................................................................................................................ 11
Step 14 ................................................................................................................................................ 11

2

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1

2

4

3
7
6
5

12
10

11

8

13

14

9

Item Number

QTY

Description

1
2
3

4
1
1 assembly

4
5
6
7

1
4
1
1 assembly

8
9
10
11
12
13
14

1
1
1
1
4
4
4

40-pin headers
µPAD
Backpack panel
•
1 Switch & LED Backpack
•
1 Analog Backpack
•
1 Robotics Backpack
Memory Base
8-pin female headers
8x DIP switch
Speaker assembly hardware
•
1 Speaker bracket
•
4 M2x10 screws
•
4 M2 nuts
Speaker
CDS cell sensor
Shunt
6-pin screw terminal
#2 7mm spacers
2-56 5/8” standoffs
2-56 3/4" screws

3

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Solder the female headers (item #5) to the µPAD (item #2).

Break apart the 40-pin headers (item #1) as follows. Read the table carefully. Three different lengths are
created by the 3rd header. Also, there will be scraps from the 3rd and 4th header. You should end up with
an extra 3-pin header and a 14-pin header

Header Number

Header Size Created

Quantity of Created Header

1
2
3
3
3
4

8-pin
8-pin
8-pin
9-pin
2-pin
13-pin

5
5
3
1
2
2

4

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Solder the DIP switch (item #6) to the Switch & LED Backpack at location “S3”. Orient the switches to
where the numbers labeled on the switch are nearest to the LEDS not the tactile switches.

Solder the 9-pin Header to the Switch & LED Backpack at location J5.

5

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Solder the CDS cell sensor (item #9) to the Analog Backpack at location CDS1. Flush cut the leads once
soldered.

Solder a 2-pin header to the Analog Backpack at location J3

6

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Solder a 2-pin header to the Robotics Backpack at location JMP1. Once finished place the shunt (item
#10) onto that header.

Solder the 6-pin screw terminal to the Robotics Backpack at location J1.

7

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Solder an 8-pin header to the Robotics Backpack at location J6.

In the following sub steps, affix the speaker to the Analog backpack using the bracket screws and nuts
provided (item #7 assembly).

Prep the speaker bracket. Ensure the bracket holes are unobstructed. If needed use a screw to push any
remaining plastic out of the mounting holes. Then peel the paper off the speaker bracket.

Place the speaker on the speaker bracket. The open end of the bracket mates to the wired side of the
speaker. Since the speaker wire will be soldered to J4 in the next step orient the speaker bracket assembly
so that the wire is nearest J4. Attach the assembly to the Analog Backpack using the provided nuts and
screws.

8

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9

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Solder the speaker to location J4 (not polarized).
(Optional) cut and re-strip the speaker wire to a preferable length. Do not attempt without a wire

stripper possessing a 28AWG setting!

Insert four of the 8-pin headers into the female headers previously soldered to the µPAD. Place the Switch
& LED Backpack onto the butts of these headers. Make sure that the relief of the backpack is placed
nearest to the reset button on the µPAD. Once oriented correctly solder the headers to the backpack.
Repeat for the Analog and Robotics Backpacks.

10

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Solder the two 13-pin headers to the Memory Base at location J2. Be very careful of orientation. The long
side of the headers should point out the bottom of the board. The top of the board is the side the 50-pin
base connector is located.

Attach the Memory base to the µPAD using items 12, 13, and 14 as shown below.

11

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