2PCS PCF8591 AD/DA Conversion Module/Converter + DuPont Line

Description

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DESCRIPTION
2PCS PCF8591 AD/DA Conversion Module/Converter + DuPont Line
1. Introduction of PCF8591 AD/DA chip
PCF8591 is a monolithic integrated, individually powered, low power, 8-bit CMOS data acquisition device. PCF8591 has 4 analog inputs, 1 analog 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 eight PCF8591 devices to be connected on the same I2C bus without additional hardware. The address, control, and data signals input and output on the PCF8591 device are transmitted in a serial manner through the two-wire bidirectional I2C bus.
PCF8591 main performance indicators:
★Single power supply
★PCF8591 operating voltage range 2.5V-6V
★Low standby current
★Serial input/output via I2C bus
★PCF8591 is addressed through 3 hardware address pins
★The sampling rate of PCF8591 is determined by the I2C bus rate
★ 4 analog inputs can be programmed as single-ended or differential inputs
★Automatic incremental channel selection
★The analog voltage range of PCF8591 is from VSS to VDD
★PCF8591 built-in tracking and holding circuit
★8-bit successive approximation A/D converter
★Realize DAC gain through 1 analog output
2. Baby description
1 The module chip adopts PCF8951
2 The module supports external 4-channel voltage input acquisition (voltage input range 0-5v)
3 The module integrates a photoresistor, which can collect accurate values of ambient light intensity through AD
4 The module integrates a thermistor, which can collect accurate values of ambient temperature through AD
5 The module integrates 1 channel 0-5V voltage input acquisition (adjust the input voltage through the blue potentiometer)
6 The module has a power indicator (the indicator will light after power is supplied to the module)
7 The module has a DA output indicator. When the DA output interface voltage of the module reaches a certain value, the DA output indicator on the board will be lit. The greater the voltage, the more obvious the indicator brightness;
8 Module PCB size: 3.6cm*2.3cm
9 Standard double panel, 1.6mm thick, beautiful layout, with through holes around, hole diameter: 3mm, easy to fix
3. Module interface description
The left and right sides of this module are respectively extended with 2-way pin header interfaces, which are explained as follows:
Left AOUT chip DA output interface
AINO chip analog input interface0
AIN1 chip analog input interface 1
AIN2 chip analog input interface 2
AIN3 chip analog input interface 3
The right SCL IIC clock interface is connected to the microcontroller IO port
SDA IIC digital interface connected to the single chip IO port
GND Module ground External ground
VCC power connector external 3.3v-5v
4. Instructions for using the module red short-circuit cap
There are 3 red short-circuit caps in the module, the functions are as follows:
Connect P4 to the P4 short-circuit cap, select the thermistor to access the circuit
Connect P5 to the P5 short-circuit cap, select the photoresistor to access the circuit
Connect P6 with P6 short-circuit cap, select 0-5V adjustable voltage to access the circuit
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We Ship to Worldwide, except China  (Hong Kong), and we do not ship to APO/FPO.
Orders processed within 12-24 hours  of payment verification.( On Sundayis our rest day).
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a. The item is lost during transit;
b. The item is damaged during  transport;
c.  Due to our work errors, transporting the wrong items to the buyer;
d. The item in the actual use of the  process of quality problems.
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On Jun-22-20 at 16:24:29 PDT, seller added the following information: