x5pcs PCF8591 AD/DA Converter Module Analog To Digital Conversion + Cable
Descriptions:
- A module chip using PCF8951
- Module supports external voltage input capture (input voltage range 0-5v)
- Three modules integrated photoresistor acquisition environment through the AD intensity accurate numerical
- Modules integrated thermistor, can capture the precise value of the ambient temperature through the AD
- The five-module integrated 1 channel 0-5V voltage input acquisition (blue potentiometer to adjust the input voltage)
- Modules with power indicator light (on the module after power indicator lights)
- Modules with the DA output indicator light board DA output indicator module DA output interface voltage reaches a certain value, the voltage the greater the light brightness is more obvious;
- Module PCB size: 3.6cm * 2.3cm
- Standard double-sided, plate thickness 1.6mm, the layout is nice, surrounded by the through-hole, aperture: 3mm, convenient fixed
Features:
- PCF8591 operating voltage range of 2.5V to 6V
- Low standby current
- through the I2C bus serial input / output
- PCF8591 by 3 hardware address pins addressing
- Sampling rate PCF8591 I2C bus rate decided
- 4 analog inputs programmable as single-ended or differential inputs
- Automatic incremental channel selection
- PCF8591 analog voltage range from VSS to VDD
- PCF8591 built-in track and hold circuit
- 8-bit successive approximation A / D converter
- through an analog output DAC gain
The module interface:
Module jumper instructions for use:
- The module's left and right, respectively, the external expansion of 2-way pin interface, respectively, as follows:
- Output interface of the left the AOUT chip DA
- The AINO chip analog input interface.
- AIN1 chip analog input interface
- AIN2 chip analog input interface
- AIN3 chip analog input interface
- The right side of the SCL IIC clock interface to access the microcontroller IO port
- The SDA IIC digital interface connected microcontroller IO port
- GND module to an external
- VCC power supply interface external 3.3v-5v
Module jumper instructions for use:
- Module three red short circuit cap, respectively, the role are as follows:
- P4 connected to the P4 jumper, select thermistor access circuit
- P5 connected to P5 jumper to select the photoresistor access circuit
- P6 connected to the P6 jumper, to select 0-5V adjustable voltage access circuit
- 5pcs x PCF8591 AD/DA Converter Module Analog To Digital Conversion + Cable
