top of page

7490 Hand Drawn Circuits.

Hand Drawn (on paint) 7490 chips connection with LED's.

Picture to the left - Constructing the actual circuit with the LED's, resistors, power source, and the main 7490 CHIP.

Following are the hand drawn circuits with the LED's, resistors, power source, and the main 7490 CHIP.

© 2023 by Peter Collins. Proudly created with Wix.com

bottom of page