KY-053 Analog Digital Converter Module

// Requires the esp-idf-lib ADS111x driver from the ESP Component Registry:
//   idf.py add-dependency "esp-idf-lib/ads111x^1.1.14"

#include <stdio.h>
#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "ads111x.h"

#define SDA_GPIO GPIO_NUM_21
#define SCL_GPIO GPIO_NUM_22
#define GAIN ADS111X_GAIN_4V096

void app_main(void)
{
    ESP_ERROR_CHECK(i2cdev_init());

    i2c_dev_t dev;
    memset(&dev, 0, sizeof(i2c_dev_t));
    ESP_ERROR_CHECK(ads111x_init_desc(&dev, ADS111X_ADDR_GND, 0, SDA_GPIO, SCL_GPIO));

    ESP_ERROR_CHECK(ads111x_set_mode(&dev, ADS111X_MODE_CONTINUOUS));
    ESP_ERROR_CHECK(ads111x_set_data_rate(&dev, ADS111X_DATA_RATE_32));
    ESP_ERROR_CHECK(ads111x_set_input_mux(&dev, ADS111X_MUX_0_GND)); // channel A0
    ESP_ERROR_CHECK(ads111x_set_gain(&dev, GAIN));

    while (1) {
        int16_t raw;
        if (ads111x_get_value(&dev, &raw) == ESP_OK) {
            float voltage = ads111x_gain_values[GAIN] / ADS111X_MAX_VALUE * raw;
            printf("Raw %d, Voltage %.4f V\n", raw, voltage);
        } else {
            printf("Could not read data from ADC\n");
        }
        vTaskDelay(pdMS_TO_TICKS(1000));
    }
}

i2c:
  sda: GPIO21
  scl: GPIO22

ads1115:
  - address: 0x48

sensor:
  - platform: ads1115
    multiplexer: 'A0_GND'
    gain: 6.144
    name: "KY-053 ADC Channel 0"
    update_interval: 1s
  - platform: ads1115
    multiplexer: 'A1_GND'
    gain: 6.144
    name: "KY-053 ADC Channel 1"
    update_interval: 1s
  - platform: ads1115
    multiplexer: 'A2_GND'
    gain: 6.144
    name: "KY-053 ADC Channel 2"
    update_interval: 1s
  - platform: ads1115
    multiplexer: 'A3_GND'
    gain: 6.144
    name: "KY-053 ADC Channel 3"
    update_interval: 1s

[env:esp32]
platform = espressif32
board = esp32dev
framework = arduino
lib_deps =
    adafruit/Adafruit ADS1X15

#include <Arduino.h>
#include <Wire.h>
#include <Adafruit_ADS1X15.h>

Adafruit_ADS1115 ads;

void setup() {
    Serial.begin(115200);
    ads.setGain(GAIN_TWOTHIRDS);
    if (!ads.begin()) {
        Serial.println("Failed to initialize KY-053 ADS1115!");
        while (1);
    }
}

void loop() {
    int16_t values[4];
    for (int i = 0; i < 4; i++) {
        values[i] = ads.readADC_SingleEnded(i);
        Serial.printf("AIN%d: %d\n", i, values[i]);
    }
    delay(1000);
}

# Requires driver: ads1x15 - install with: mpremote mip install github:robert-hh/ads1x15
import machine
import time
from ads1x15 import ADS1115

i2c = machine.I2C(0, scl=machine.Pin(22), sda=machine.Pin(21))
adc = ADS1115(i2c, address=0x48, gain=1)

while True:
    for channel in range(4):
        value = adc.read(4, channel)  # (rate index, single-ended channel)
        print("AIN{}: {}".format(channel, value))
    time.sleep(1)