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.
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