Log in

No account? Create an account

Previous Entry | Next Entry

Mystery box

My roommate found this device in his basement.  It was apparently something a former roommate had built.  He doesn't know what it does.  When I flip the switch, the green LED comes on, but turning the dials don't seem to do anything in particular, at least that I can see.

One of the IC's is labeled MC14013BCP, which Google says is a "Dual D-Type Flip-Flop". Another is labeled LM324N, "Quad Operational Amplifier". The third is a 7555CN, a "CMOS Timer, Gen-Purpose".

Anyone know what this thing does?  I have enough skill in electronics to know what the parts are, but not enough to figure out what they do together.



Jan. 1st, 2009 07:36 pm (UTC)
If said roommate wasn't into making his own circuit cards, it would indicate that this was kit. The enclosure was probably part if the kit. The 555 is one of the most prolific ic's ever made. It still works so you could probably find a use for it, neat find =)