S scale New Member Jan 8, 2010 #1 Hello, I need some help designing a circuit using a Optek OPB350l250 in line fluid sensor (spec sheet attached) to activate a buzzer when no fluid is present. supply voltage is 5 vdc buzzer is 1.5-4 vdc, 15ma Thank you for your help! Gary Attachments tubing sensor allied # 387-0043.PDF 970.8 KB · Views: 244
Hello, I need some help designing a circuit using a Optek OPB350l250 in line fluid sensor (spec sheet attached) to activate a buzzer when no fluid is present. supply voltage is 5 vdc buzzer is 1.5-4 vdc, 15ma Thank you for your help! Gary