4457 Adafruit

Evil Mad Scientist Laboratories / evilmadscientist.com 1285 Forgewood Ave. Sunnyvale CA 94089 Questions Please contact us: sales evilmadscientist.com DATASHEET Three Fives and 555SE Discrete 555 Timers Re-create one of the most classic, popular, and all-around useful chips of all time. The Three Fives and 555SE Discrete 555 Timers are faithful and functional transistor- scale replicas of the classic NE555 timer integrated circuit. Design by Eric Schlaepfer (tubetime.us), working in Block Diagram / Pinout collaboration with Evil Mad Scientist Laboratories. The latest version of this document and additional resources about 555 timers are available at: Kit Contents: Three Fives Through Hole soldering kit Printed circuit board w/ threaded inserts. Aluminum Display Stand (2 pieces) Resistors Transistors Screws and spacers for stand Thumbscrew terminal posts: 6 gray, 1 red, 1 black Contents of the Three Fives through-hole soldering kit: The Three Fives printed circuit board (extra thick 0.100), pre-tted with eight 8-32 threaded inserts The transistors and resistors required to assemble the kit Eight thumbscrews (terminal posts) with color-coded cap Two-piece IC Legs stand, anodized aluminum Mounting screws and spacers for attaching the IC Legs stand Printed assembly instructions (not shown) Completed kit Tools and materials required for assembly (not included with kit): Soldering iron Solder Wire clippers Phillips head screwdriver ( 2 size recommended).