Tachometer

Ventilátor je tento:

http://www.link-depot.com/dc_fan_4020b.html

Specifications:

• Size:40x40x20mm
• Current: 0.11A
• Air Flow: 8.5CFM
• Speed: 7200RPM - Pozor! Toto je pre 12V, nie pre 5!
• Power: 1.32W
• Bearing: One Ball Bearing
• Voltage: 12VDC
• Noise: 30dBA

Senzor je QRB1114:

• http://www.datasheetcatalog.org/datasheet/fairchild/QRB1114.pdf

A je to cudne s tou Errata:

• http://www.parallax.com/Portals/0/Downloads/docs/prod/sic/PCv1.0Errata-v1.0.pdf