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2pcs PCF8591 Module AD/DA Converter Module for Raspberry Pi and Arduino, MCU

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  • Description
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  • - The PCF8591 is a monolithically integrated, single-supply, low-power, 8-bit CMOS data acquisition device.
  • - The PCF8591 has 4 ana|og inputs, 1 ana|og output, and 1 serial I2C bus interface.
  • - The three address pins A0, A1, and A2 of the PCF8591 can be used for hardware address programming, allowing access to eight PCF8591 devices on the same I2C bus without additional hardware.
  • - The address, control, and data signals that are input and output on the PCF8591 device are transmitted serially over the two-wire bidirectional I2C bus.
  • - Single power supply, PCF8591 operating voltage range 2.5V-6V.

Product description:
1. The module chip uses PCF8951
2. The module supports external 4-channel voltage input acquisition (voltage input range 0-5v)
3. The module integrates the photoresistor, which can capture the ambient light intensity with AD
4. Module integrated thermistor, can collect accurate temperature value of environment through AD
5. Module integrates 1 channel 0-5V voltage input acquisition (adjusts input voltage via blue potentiometer)
6. The module has a power indicator (the indicator will light when power is supplied to the module)
7. Module with DA output indicator, when the module DA output interface voltage reaches a certain value, it will light DA output indicator on the board, the greater the voltage, the greater the brightness of the indicator;
8. Module PCB size: 3.6cm*2.3cm
9. Standard double panel, thickness 1.6mm, beautiful layout, surrounded by holes, aperture: 3mm, easy to fix.

PCF8591 main performance parameters:
1. Single power supply
2. Operating voltage range of PCF8591 2.5V-6V
3. Low standby current
4. Serial input/output via I2C bus
5. PCF8591 addressed through 3 hardware address pins
6. The sampling rate of the PCF8591 is determined by the I2C bus speed
7. 4 ana|og inputs programmable to single-ended or differential inputs
8. Automatic incremental channel selection
9. Ana|og voltage range of PCF8591 from VSS to VDD
10. PCF8591 Built-in Tracking and Hold Circuit
11. 8-bit successive approximation of A/D converter
12. DAC gain is achieved through one ana|og output

Package Included:
2x PCF8591 Module AD/DA Converter Module
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