# Blinkenlights

This circiut incorporates two most favorite chips, an LM317 (Björns favorite)
and an NE555 (my favorite).  In our lab the soldering irons run at 317°C.
I did not try 555°C.

![SN1](IMG_4564-2.jpg)
![Layout](blinkenlights.png)
[![Schematics](blinkenlights_sch.png)](blinkenlights_sch.pdf)