20pcs PCF8591 AD/DA Analog-Digital-Analog Converter Module Measure Light and Temperature Produce Various Waveforms

Feature This board adopts the new AD DA chip PCF8591 which has reasonable design and stable performance This module A D input and D A output are defined The module has 4 A D inputs and 1 D A output 1 A D input channel 0 connect external test 2 A D input channel 1 one potentiometer can measure the varistor partial pressure connect external test 3 A D input channel 2 One way thermistor can measure temperature connect external test 4 A D input channel 3 One way photoresistor can measure light intensity connect external test 5 D A output channel 0 One LED displays the D A output voltage value through brightness which can generate various waveforms such as sine wave square wave and triangle wave Package includes 20 x Converter Module