RCA Unit

Unit RCA is a female jack terminal block for transmitting composite video (audio or video), one of the most common A/V connectors, which transmits video or audio signals from a component device to an output device (i.e., a display or speaker).

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RCAUnit

UiFlow2 Example

Draw Text

Open the core2_rca_example.m5f2 project in UiFlow2.

This example displays the text “RCA” on the screen.

UiFlow2 Code Block:

example.png

Example output:

None

MicroPython Example

Draw Text

This example displays the text “RCA” on the screen.

MicroPython Code Block:

 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 unit import RCAUnit
 9
10
11label0 = None
12label1 = None
13rca_0 = None
14
15
16def setup():
17    global label0, label1, rca_0
18
19    M5.begin()
20    Widgets.fillScreen(0x222222)
21    label0 = Widgets.Label("Core2", 133, 109, 1.0, 0xFFFFFF, 0x222222, Widgets.FONTS.DejaVu18)
22
23    rca_0 = RCAUnit(
24        (36, 26),
25        216,
26        144,
27        output_width=0,
28        output_height=0,
29        signal_type=RCAUnit.NTSC,
30        use_psram=0,
31        output_level=0,
32    )
33    label1 = Widgets.Label("RCA", 88, 61, 1.0, 0xFFFFFF, 0x222222, Widgets.FONTS.DejaVu18, rca_0)
34
35
36def loop():
37    global label0, label1, rca_0
38    M5.update()
39
40
41if __name__ == "__main__":
42    try:
43        setup()
44        while True:
45            loop()
46    except (Exception, KeyboardInterrupt) as e:
47        try:
48            from utility import print_error_msg
49
50            print_error_msg(e)
51        except ImportError:
52            print("please update to latest firmware")

Example output:

None

API

Class RCAUnit

class unit.rca.RCAUnit(port=(36, 26), width=216, height=144, output_width=0, output_height=0, signal_type=0, use_psram=0, output_level=0)

Bases: object

Initialize the RCA Unit.

Parameters:

  • port (tuple) – The port to which the RCA Unit is connected. port[0]: not used, port[1]: dac pin.

  • width (int) – The width of the RCA display.

  • height (int) – The height of the RCA display.

  • output_width (int) – The width of the output of the RCA display.

  • output_height (int) – The height of the output of the RCA display.

  • signal_type (int) – The signal type of the RCA display. NTSC=0, NTSC_J=1, PAL=2, PAL_M=3, PAL_N=4.

  • use_psram (int) – The use of psram of the RCA display.

  • output_level (int) – The output level of the RCA display.

UiFlow2 Code Block:

init.png

MicroPython Code Block:

from module import RCAModule
module_rca = RCAModule(26, width=216, height=144, output_width=0, output_height=0, signal_type=RCAModule.NTSC, use_psram=0, output_level=0)

RCAUnit class inherits Display class, See hardware.Display for more details.

NTSC = 0

signal type. National Television System Committee.

NTSC_J = 1

signal type. National Television System Committee Japan.

PAL = 2

signal type. Phase Alternating Line.

PAL_M = 3

signal type. Phase Alternating Line M.

PAL_N = 4

signal type. Phase Alternating Line N.