DIY controller project - electronics

Yep, looks like two shift regs. Could you get a pic of the text on it?
They should be 4021’s.

…I break down and ask someone who knows. :wink:

That’s how I got to know these things.
@Sokol1 has been an incredible source of info, as has mega_mozg, who wrote MMJoy2.

1 Like

[IMG]

HEF4021BT
L2K2Z505
UnD13334
NXP

[/IMG]

Here you go :smile: Yep, 4021.

1 Like

we use common methods obviously :slight_smile:

1 Like

3 Likes

lol, I should be more committed to this hobby… :wink:

4 Likes
© 2019 Mudspike.com | Articles Website | Forums Rules & FAQ