PPS Module

The PPS class controls a Programmable Power Supply (PPS), capable of providing an output up to 30V and 5A. It allows for precise control over the output voltage and current, with features to read back the actual output values and the module’s status.

Support the following products:

Micropython Example:

# SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
#
# SPDX-License-Identifier: MIT

import os, sys, io
import M5
from M5 import *
from module import PPSModule
import time


label0 = None
label1 = None
label2 = None
label3 = None
label4 = None
label5 = None
pps_0 = None


def setup():
    global label0, label1, label2, label3, label4, label5, pps_0

    M5.begin()
    Widgets.fillScreen(0x222222)
    label0 = Widgets.Label(
        "Output Voltage:", 20, 40, 1.0, 0xFFFFFF, 0x222222, Widgets.FONTS.DejaVu18
    )
    label1 = Widgets.Label(
        "Output Current:", 20, 80, 1.0, 0xFFFFFF, 0x222222, Widgets.FONTS.DejaVu18
    )
    label2 = Widgets.Label("Mode:", 22, 120, 1.0, 0xFFFFFF, 0x222222, Widgets.FONTS.DejaVu18)
    label3 = Widgets.Label("label3", 180, 40, 1.0, 0xFFFFFF, 0x222222, Widgets.FONTS.DejaVu18)
    label4 = Widgets.Label("label4", 180, 80, 1.0, 0xFFFFFF, 0x222222, Widgets.FONTS.DejaVu18)
    label5 = Widgets.Label("label5", 180, 120, 1.0, 0xFFFFFF, 0x222222, Widgets.FONTS.DejaVu18)

    pps_0 = PPSModule(address=0x35)
    pps_0.set_output_voltage(5.5)
    pps_0.set_output_current(1)
    pps_0.enable_output()


def loop():
    global label0, label1, label2, label3, label4, label5, pps_0
    M5.update()
    label3.setText(str(pps_0.read_output_voltage()))
    label4.setText(str(pps_0.read_output_current()))
    label5.setText(str(pps_0.read_psu_running_mode()))
    time.sleep_ms(100)


if __name__ == "__main__":
    try:
        setup()
        while True:
            loop()
    except (Exception, KeyboardInterrupt) as e:
        try:
            from utility import print_error_msg

            print_error_msg(e)
        except ImportError:
            print("please update to latest firmware")