DIY Scoreboard Makers

One digit up and down counter using 74LS192/CD40192 and RF remote control

This is a simple up and down counter that can be operated by a four-channel RF remote.

The 74LS192 or CD40192 up and down counter chip is used in this gadget. The 74LS192 chip is triggered by a NE555 (set in monostable mode). The CD4511 chip controls the seven-segment display.

Schematic:

All the components required to build this counter are listed below:

  1. 1 x 74LS192
  2. 7 x 100 Ohm resistors
  3. 5 x 1K Ohm resistors
  4. 4 x 10K resistors
  5. 2 x tactile reset switch
  6. 2 x 0.1uF capacitors
  7. 2 x  100uF electrolytic capacitor
  8. 2 x BC557 transistors
  9. 1 x 0.56″ seven segment display common cathode
  10. 3 x 16 pins IC socket
  11. 2 x 8 pins IC socket
  12. 1 x 7 pins female headers
  13. 1 x CD4511
  14. 1 x CD4049
  15. 2 x NE555
  16. 1 x MicroUSB connector for 5V

Download: Gerber Files


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SCOREDUINO is the name of a module designed for building scoreboards, timers, seven-segment display drivers, and apps. It is also a method for designing digital scoreboards and drivers. The term “SCOREDUINO” is also used to represent different apps, scoreboards, and timers based on the SCOREDUINO method. ‘Sagar Sapkota’ designed everything related to Scoreduino. We now have a team of Freelancers who design digital scoreboards that can be operated with RF switches, and Smartphone Apps

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