Elenco Upgrade Kit SC300 to SC750 - Manual (Page 18)

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Project #329
OBJECTIVE: To demonstrate how a seven segment LED works.
The display (D7) is made up of seven segments. Each segment
contains an LED connected to an input snap. When the snap is
connected to the negative of the battery the segment lights. For
example, connect the circuit as shown and the letter “L” lights.
Principle of
Segment LED
Project #330
OBJECTIVE: To configure the seven
segment to display the number 1.
Connect B & C to the negative of the
battery.
Display #1
OBJECTIVE: To configure the seven
segment to display the number 2.
Connect A, B, G, E, & D to the negative
of the battery.
Display #2
OBJECTIVE: To configure the seven
segment to display the number 3.
Connect A, B, G, C, & D to the negative
of the battery.
Display #3
OBJECTIVE: To configure the seven
segment to display the number 4.
Connect B, C, F, & G to the negative of
the battery.
Display #4
Project #331
Project #332 Project #333