Project #610, O” & “o” blinker, Project #611 – Elenco Upgrade Kit SC500 to SC750 User Manual

Page 50: B” & “d” blinker

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Project #610

OBJECTIVE: To use the alarm IC to flash between “O” & “o”.

“O” & “o” Blinker

The circuit switches between upper case “O” and lower case “o”.
Place a jumper from point A to segment G. The DP segment will also
light.

Project #611

OBJECTIVE: To use the alarm IC to flash between “b” & “d”.

“b” & “d” Blinker

The circuit switches between letters “b” & “d” on the display.
Place a jumper from point A to segment B and point B to segment F.

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