Some cool electronics circuits images:
rear blinky circuit
Image by Coweater
Toying with a 555 circuit from here. Works nicely, but would complicate my wiring a bit, dunno if I'll use it. My R1 is 33K ohms and R2 is 220K ohms. The blinking rate is reasonably close to my Cateye TL-LD600.
Mobius Circuit - 02
Image by oskay
How to make a single-sided circuit board. Read more about this project here.
