0 favorites     0 comments    81 visits

1/60 f/5.6 10.2 mm ISO 80

PENTAX Corporation PENTAX Optio S5z

EXIF - See more details

See also...


Keywords

analog
electronics
perfboard


Authorizations, license

Visible by: Everyone
All rights reserved

81 visits


Water level sensor

Water level sensor
Quick hack. Detects low/high/normal water level and indicates it using 3 LEDs. I didn't calculate any resistor values, pure trial and error. Some of these just work as inverters, so the LEDs light up in the right way.

Comments

Sign-in to write a comment.