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Sensors · Boards · Modules · Kigali
PCF8574 Expansion Board is a popular I²C (Inter-Integrated Circuit) interface module, commonly used in electronics projects, particularly for controlling multiple devices using just two communication pins.
Working voltage:3.3V-5V
Detection distance:760nm to 1100nm
Detection angle:60°
PCB size:3.2x1.4cm
Weight:3g
Comparator output,clean signal, good waveform,strong driving ability,over 15mA
Equipped with adjustable precision potentiometer to adjust sensitivity
Output form:DO digital switch output (0 and 1) and AO analog voltage output
Using a wide voltage LM393 comparator
