I use sockets for my ICs, but I don't have a format that can support 7-segment LEDs. I don't even know if they exist.

EDIT: I have 7-segment LEDs in multiple formats: single, 2-bit, 3-bit and even 4-bit, in varying sizes and colours: .28", .36" and .56". They have varying pinout styles.
Robert
EDIT SOME MORE: Well, what do you know, the .28" LEDs fit nicely in 14 pin sockets. Too bad I don't have 12 pin sockets, I'd have less driling to do.


NE555 with solenoid
I'd like to activate a solenoid for a brief moment. Does this timer look correct?
Demon Today, 01:389978
- I added a large cap alongside the solenoid; value is just preliminary.
- the opto is to isolate the...