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Black: - Excitation
TDS Measurement Range: 0 ~ 1000ppm
users can get the flow speed via detecting the pulse
Power supply: 3-5v
Maximum PWM Frequency: 10 kHz
74HC08 (Quad 2-Input ) (AND Gate) NAND Black: - ExcitationIntroduction : 74HC08 is a Quad 2 Input AND Gate. An AND Gate is a logical operator circuit that gives a logical high (1) output only when all of its inputs are high (1), otherwise, it results in a logical low (0). Features : Operating voltage range: +4. 75 to +5. 25V. Recommended operating voltage: +5V. Maximum supply voltage: 7V. Maximum current allowed to draw through each gate output: 8mA. TTL outputs. Low power consumption. Typical Rise Time: