YL-40 PCF8591 ADC/DAC Module ADC & DAC Converter Board

YL-40 PCF8591 ADC/DAC Module ADC & DAC Converter Board is an ADC with 4 analogue inputs which can be used as two differential inputs.

It uses the I2C communications interface and performs a successive approximation conversion process – the same as the operation of the ADC in the Arduino. It also has a DAC allowing analogue output.

The YL-40 PCF8591 ADC/DAC Module is a single-chip, single-supply and low-power 8-bit CMOS data acquisition device with four analog inputs, one analog output and a serial I2C-bus interface.

Three address pins A0, A1 and A2 are used for programming the hardware address, allowing maximum of eight devices connected to the I2C-bus without additional hardware.

Address, control and data to and from the device are transferred serially via the two-line bidirectional I2C-bus.

Measuring voltage and adjusting it is what electronics is all about so you won’t get far without friends like the YL-40 PCF8591 ADC/DAC Module.

Analog to Digital Converters help by measuring an analog voltage and turning it into something a microcontroller like a Metro or Arduino can understand.

If you’re using a single board computer like a Raspberry Pi, you might not have any other way to measure a voltage because even though they are well equipped for digital circuits, many boards of that type don’t have any pins that can measure analog voltages.

Features: –

• Module chip using PCF8951.
• Module supports external voltage input of the 4-way acquisition (voltage input range of 0-5v)
• The module integrated photoresistor by AD collection precise value of the ambient light intensity.
• Module integrated thermistor by the precise value of the ambient temperature of the AD acquisition.
• Module integrated 1 channel 0-5V voltage input acquisition (the blue potentiometer to adjust the input voltage).
• Modules with power indicator (for the module power supply indicator lights).
• Modules with DA output indicator, when the module DA output interface voltage reaches a certain value, will be lit panel the DA output indicator, the higher the voltage, the more obvious indicator brightness.
• Standard double panel, thickness 1.6mm, nice layout, surrounded by a through-hole, aperture: 3mm, convenient fixed.

YL-40 PCF8591 ADC/DAC Module Specifications: –

• Single power supply
• Operating supply voltage 2.5 V to 6.0 V
• Low standby current
• Serial input and output via I2C-bus
• I 2C address selection by 3 hardware address pins
• Max sampling rate given by I2C-bus speed
• 4 analog inputs configurable as single ended or differential inputs
• Auto-incremented channel selection
• Analog voltage range from VSS to VDD
• On-chip track and hold circuit
• 8-bit successive approximation A/D conversion
• Multiplying DAC with one analog output.

YL-40 PCF8591 ADC/DAC Module Applications: –

• Supply monitoring
• Reference setting
• Analog control loops

Package: –

1 x PCF8591 ADC Module ADC & DAC Converter Board

Datasheet: –

nxp.com/docs/en/data-sheet/PCF8591.pdf

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