![]() Module integrated 1 channel 0-5V voltage input acquisition (the blue potentiometer to adjust the input voltage).Module integrated thermistor by the precise value of the ambient temperature of the AD acquisition.The module integrated photoresistor by AD collection precise value of the ambient light intensity.The module supports external voltage input of the 4-way acquisition (voltage input range of 0-5v).8-bit successive approximation A / D converter.PCF8591 built-in track-and-hold circuit.PCF8591 analog voltage range from VSS to VDD.Automatic incremental channel selection.4 analog inputs programmable single-ended or differential input.PCF8591 I2C bus speed sampling rate decided.PCF8591 by 3 hardware address pins addressing.A PCF8591 operating voltage range of 2.5V-6V.The maximum conversion rate is given by the maximum speed of the I☬-bus. The functions of the device include analog input multiplexing, on-chip track and hold function, 8-bit analog‑to‑digital conversion, and an 8‑bit digital‑to‑analog conversion. Address, control, and data to and from the device are transferred serially via the two-line bidirectional I☬‑bus. Three address pins A0, A1, and A2 are used for programming the hardware address, allowing the use of up to eight devices connected to the I☬‑bus without additional hardware. #Analog to digital converter module serial#This is a breakout board/Prototype Board for PCF8591 IC. The PCF8591 is a single-chip, single‑supply low‑power 8‑bit CMOS data acquisition device with four analog inputs, one analog output, and a serial I☬‑bus interface.
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