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learn to solder: 

Electronic Dice Kit

Cat no. 

KM1099

Solder components onto the top and 

bottom circuit boards, then fix together 

with the included spacers and screws. 

Pay close attention to the way some of 

these components go in because some 

of them only work in one direction, 

including the LEDs.

INTEGRATED CIRCUIT (IC). Instead of 

soldering the IC into the circuit board 

we have supplied an IC socket. Solder 

the IC socket into the circuit board, 

then insert the IC into that socket once 

all of the other soldering is complete. 

Make sure the IC is inserted with the 

notch in the end matching the diagram 

printed on the circuit board. 

ELECTROLYTIC CAPACITOR. This capacitor 

(C2) needs to be inserted into the circuit 

board with the longer leg going into the 

circuit board marked with the + symbol.

RESISTORS. Resistors can go into the 

circuit board in either direction.  

The colour bands indicate the resistor 

value (See parts list for the colour 

bands). Make sure you insert the correct 

ones into the circuit board. 

MONOLYTHIC CAPACITOR. 

This capacitor (C1) can be 

soldered in either way. 

FINAL STEP. Solder in the switch 

(S1) and the battery holder (E1). 

Insert a CR2032 battery and then 

tightly screw the two boards 

together using the supplied spacers 

and screws. These need to be 

tight to make electrical connection 

between the two boards. Shake and 

the Dice should work.

TOP BOARD

BOTTOM BOARD

QTY

PRODUCT

PCB MARKING / COMMENT

1

Circuit Board Top

L1-L7 markings is the top board

1

Circuit Board Bottom

E1 marking is the bottom board

1

1MΩ Resistor (Brown-Black-Green-Gold)

R8

7

560Ω Resistor (Green-Blue-Brown-Gold)

R1 - R7

7

Red LEDs

L1 to L7

1

12F508-I/P IC

U1 ( Align with the notch )

1

IC Socket

For the 12F508-I/P IC

1

10µF 50V Electrolytic Capacitor

C2

1

0.1µF Monolythic Capacitor

C1

10

M3 x 6mm Screws

For spacing the two PCBs

5

M3 x 20mm Metal Spacers

For spacing the two PCBs

1

CR2032 Battery Holder

E1

1

Tilt Switch (SW-200D)

S1

Kit contents:

LEDs. The short leg of the LED is the 

negative (-) leg. These need to go into 

the circuit board marked with the - 

symbol.

Cathode (-) 

(Flat Edge)

Anode (+)

(+)

(-)

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