M5StickC ADC HAT ADS1100

SKU:U069

Regular price $3.50
Standard Shipping Estimated Delivery Time: 7-20 days
Description

ADC_HAT is another type of C-HAT specifically design for M5StickC controller. Same as ADC unit, this is an ADC converter component for stickc. Packed with an ADC converter chip ADS1100, which is a fully differential, 16-bit, self-calibrating, delta-sigma A/D converter. Extremely easy to design with and configure, the ADS1100 allows you to obtain precise measurements with a minimum of effort. 
The ADS1100 consists of a delta-sigma A/D converter core with adjustable gain, a clock generator, and an I2C interface. 
ADS1100 itself is able to accept a differential input from -5 ~ +5 V, but we have limited the input to 0~12V by adding on the peripheral circuit design of this IC.

 

Product Features

  • M5StickC Compatible
  • Input: 0-12V
  • Software Development Platform: Arduino, UIFlow(Blockly, Python)
  • ADS1100
    • 16-bits Resolution
    • CONTINUOUS SELF-CALIBRATION
    • SINGLE-CYCLE CONVERSION
    • PROGRAMMABLE GAIN AMPLIFIER GAIN = 1, 2, 4, OR 8
    • LOW NOISE: 4μVp-p
    • PROGRAMMABLE DATA RATE: 8SPS to 128SPS
    • INTERNAL SYSTEM CLOCK
    • I2C INTERFACE: address 0x48

Include

  • 1x ADC HAT
  • 1x 2 Pin 3.96 Pitch Terminal

Application

  • Analog Signal Capture
Learn

Links

Code

1. Arduino IDE

To get complete code, please click here.

#include <M5StickC.h>
#include <Wire.h>
#include "ADS1100.h"

ADS1100 ads;
#define REF_VOL    3.3
#define ADC_BASE   REF_VOL/32768
void setup(void)
{
    M5.begin(true,true,false);
    // The address can be changed making the option of connecting multiple devices
    ads.getAddr_ADS1100(ADS1100_DEFAULT_ADDRESS);   // 0x48, 1001 000 (ADDR = GND)
    // The ADC gain (PGA), Device operating mode, Data rate
    // can be changed via the following functions
    ads.setGain(GAIN_ONE);          // 1x gain(default)
    ads.setMode(MODE_CONTIN);       // Continuous conversion mode (default)
    ads.setRate(RATE_8);            // 8SPS (default)
    ads.setOSMode(OSMODE_SINGLE);   // Set to start a single-conversion
    ads.begin();
}
void loop() {
byte error;
    int8_t address;
    address = ads.ads_i2cAddress;
    // The i2c_scanner uses the return value of
    // the Write.endTransmisstion to see if
    // a device did acknowledge to the address.
    Wire.beginTransmission(address);
    error = Wire.endTransmission();
    result = ads.Measure_Differential();
}

Pin Map

M5StickC GPIO0 GPIO26 5V GND
HAT ADC SDA SCL 5V GND

Video

Demo

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M5StickC ADC HAT ADS1100

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