Check the listing for details. 24 Bit ADS1256 8 Channel High-Precision ADC AD Data Acquisition Card Module. Condition: New. Listed at 11.76 USD. 24 Bit ADS1256 8 Channel High-Precision ADC AD Data Acquisition Card ModuleOverview:ADS1256 8 road 24-bit ADC module mounted TI ADS1256IDB, minimum Power consumption, high precision ADC chipsand 2.5V datum voltage source, using SPI interface communication protocol, data output rates up to 30ksps, supportsingle-ended input and differential input.Feature:On-board high precision TI ADS1256IDB ADC chipsOn-board ADR03 2.5V datum voltage source chipsData output rates up to 30ksps, nonlinearity is low to ±0.0010%The module can be configured as either 8 single-ended inputs or 4 differential inputsADS1256 module is suitable for measuring analog voltage within 3VModule operating voltage is 5VThe board size is 61*35*11mmInterface description:5V, GND: 5V power inputSCLK, DIN, DOUT, CS: SPI communication InterfaceDRDY: ADS1256data be ready output (Active low level)PDWN: ADS1256 Sync / Turn off the power input (Active low level)AIN0-AIN7: Analog voltage input, it can be configured as either 8 single-ended inputs or 4 differential inputs,(The measured voltage should be shared with the module)Precautions:Because the voltage of ADS1256 is 5V, and The measured voltage should be 2V below the supply voltage,so The module is only suitable for measuring analog voltages within 3V.Testing Methods:Module provides STC15W and STM32 microcontroller 8-channel serial display reference program and STC89C52 single-chip4-channel 1602LCD display reference program, the STC89C52 Microcontroller + 1602 LCD LCD test method is as follows:5V, GND connect to DC 5V power supply, SCLK, DIN, DOUT, DRDY, CS connect to Microcontroller P1.2, P1.3, P1.4, P1.5, P1.6 respectively,AIN0, AIN1, AIN2, AIN3 connect to 2.5V, 2.5V, 2.5V,2.5V respectively (The measured voltage should be in common with the ADS1256),then 1602 LCD will shows these four sets of voltage values, in which, the 1st ,2nd ,4th sets are single-ended input voltage value ofAIN0, AIN1, AIN3, and the 3rd set is the difference of AIN2-AIN3, the voltage values of these four sets are 2.5V, 2.5V, 0V, 2.5V. Package included:1 x ADS1256 24 Bit 8 Channel ADC AD ModulePayment MathordReturns PolicyAbout FeedbackPayment Mathord 1. PayPal payment accepted only. 2. Items will be shipped to your eBay address. Please make sure it is correct. 3. Payment must be received 4 days after auction ended.Returns Policy 1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase. 2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap. Otherwise deal is final. Return shipping must be paid by buyer. 3. Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner. 4. We appreciate your Postive Feedback, and will do the same in return. DO NOT leave negative feedback without first communication with us. Please allow max 2 business days for us to response. About Feedback When you satisfied with our product and services please leave us positive feedback. If a problem occurs, contact us immediately with any email request. Just contact us using the " Ask the seller a question" link on eBay. On 15-Jul-21 at 03:35:09 BST, seller added the following information: