Design a Combinational circuit to detect invalid BCD | Invalid BCD detector

#digitalelectronics
design a combinational circuit to detect invalid or illegal BCD .
COMBINATIONAL CIRCUIT EXAMPLE

[@aceleo2284]

Mam, thank you so much. Appreciate your efforts

[@TechnoTutorials2783]

Most welcome dear

[@motsekikhetholloelectronic293]

nice one thank you

[@injamul_1]

Thank you so match madam

[@aecvasq4658]

Can u do a video on how to design a circuit to check whether the given 2-digit BCD number (8-bit number) less than or equal to 90 is divisible by 9

[@Hacker9033]

hi, have you code for arduine 1? thx

[@TechnoTutorials2783]

No

[@sayemshaikh__1104]

​​@@TechnoTutorials2783Mam this is for invalid BCD using NAND gate only na ......❤