DAC2 Hat

The following products are supported:

DAC2Hat

Micropython Example:

 1# SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
 2#
 3# SPDX-License-Identifier: MIT
 4
 5import os, sys, io
 6import M5
 7from M5 import *
 8from hardware import I2C
 9from hardware import Pin
10from hat import DAC2Hat
11
12
13i2c0 = None
14hat_dac2_0 = None
15
16
17def setup():
18    global i2c0, hat_dac2_0
19
20    M5.begin()
21    i2c0 = I2C(0, scl=Pin(26), sda=Pin(0), freq=100000)
22    hat_dac2_0 = DAC2Hat(i2c0, 0x59)
23    hat_dac2_0.set_dacoutput_voltage_range(hat_dac2_0.RANGE_10V)
24    hat_dac2_0.set_voltage(5, channel=hat_dac2_0.CHANNEL_0)
25
26
27def loop():
28    global i2c0, hat_dac2_0
29    M5.update()
30
31
32if __name__ == "__main__":
33    try:
34        setup()
35        while True:
36            loop()
37    except (Exception, KeyboardInterrupt) as e:
38        try:
39            from utility import print_error_msg
40
41            print_error_msg(e)
42        except ImportError:
43            print("please update to latest firmware")

UIFLOW2 Example:

example.png

stickc_plus2_dac2_example.m5f2

class DAC2Hat

Constructors

class DAC2Hat(i2c, address: int | list | tuple = 0x59)

Create a DAC2 Hat object.

参数:

  • i2c – I2C object

  • address – I2C address of the DAC2 Hat

UIFLOW2:

init.png

DAC2Hat class inherits DAC2Unit class, See unit.DAC2Unit.Methods for more details.