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SKU: 04981
(0)

1PCS PCF8591 Module AD/DA Conversion Modular Unit Temperature/illuminance Collector Analog-digital Converter With DuPont Line

TEJIATE/特加特
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¥1.56
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Product introduction
 
PCF8591 is a single chip integrated, independent power supply, low power consumption, 8-bit CMOS data acquisition device. PCF8591 has 4 analog inputs, 1 analog output and 1 serial 12C bus interface. Three address pins A0, A1 and A2 of PCF8591 can be used for hardware address programming, allowing access to eight PCF8591 devices on the same I2C bus without additional hardware. The input and output address, control and data signals of PCF8591 device are all transmitted in serial mode through two-wire bidirectional I2C bus.
 
Product parameters
 
1. Operating voltage range of single power supply PCF8591 is 2.5v-6v
2. Low standby current
3. Serial input and output through 12C bus
4. PCF8591 is addressed by three hardware address pins
5. The sampling rate of PCF8591 is determined by the 12C bus rate
6.4 analog inputs programmable as single ended or differential inputs
7. Auto increment channel selection
8. The analog voltage range of PCF8591 is from VSS to VDD
9. PCF8591 built in tracking and holding circuit
10.8-bit approach to AD converter
11. DAC gain through 1 Analog Output
04981-PCF8591模块-(1)04981-PCF8591模块-(6)04981-PCF8591模块-(3)
PCF8591Module AD/DA Conversion Modular Device Temperature/illuminance Collector Analog-digital Converter With DuPont Line
 
Performance description
1. Pcf8951 is used as module chip
2. The module supports external 4-way voltage input acquisition (voltage input range 0-5V)
3. The module integrates photoresist, which can collect the accurate value of ambient light intensity through ad
4. The module integrates thermistor, which can collect the accurate value of ambient temperature through ad
5. Module integrated 1 circuit of 0-5V voltage input acquisition (input voltage regulated by blue potentiometer)
6. Module with power indicator light (the indicator light will be on after power supply to the module)
7. The module is equipped with Da output indicator light. When the module Da output interface voltage reaches a certain value, the Da output indicator light on the board will be lit. The higher the voltage, the more obvious the brightness of the indicator light
8. Module PCB scale: 3.6cm * 2
9. The standard double-sided board, with a thickness of 1.6mm, has a beautiful layout and a through hole diameter of 3M around, which is convenient for fixing
 
Interface specification
The left and right sides of this module are respectively expanded with 2-way pin arranging interfaces, which are described as follows:
left
Da output interface of aouut chip
Aino chip analog input interface 0
Ain1 chip analog input interface 1
Ain2 chip analog input interface 2
Ain3 chip analog input interface 3
Right
SCL IIC clock interface is connected to I0 port of single chip microcomputer
SDA IIC digital interface is connected to I0 port of single chip microcomputer
GND module external ground
VCC power interface external connection 3.3v-5v
 
Instructions
 
The module has three red short-circuit caps, which act as follows:
P4 connect P4 short circuit cap and select thermistor to access the circuit
P5 connect the P5 short-circuit cap and select the photoresistor to access the circuit
P6 connect P6 short-circuit cap, select 0-5V adjustable voltage access circuit
Note: if you need to use four external voltage inputs, please remove all three red short circuit caps
 
 
 

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