Shopping Cart
0

Hw-044 Datasheet - 

#include <WiFi.h>
#include <Audio.h>

// I2S pins
#define I2S_BCLK 26
#define I2S_LRC 25
#define I2S_DIN 22


Audio audio;


void setup() 
Serial.begin(115200);
WiFi.begin("SSID", "PASSWORD");
while (WiFi.status() != WL_CONNECTED) delay(1000);


audio.setPinout(I2S_BCLK, I2S_LRC, I2S_DIN);
audio.setVolume(21); // 0-21
audio.connecttohost("http://example.com/stream.mp3");



void loop() 
audio.loop();

  • Alert/INT pin: configurable active-high/low, push-pull/open-drain option; triggers on threshold or data-ready depending on configuration.

    • How does the HW-044 compare to similar products? Here is a quick comparison for reference.

    | Model | Axes | Switch | Voltage | Output Type | PCB Size (approx) | |-------|------|--------|---------|-------------|------------------| | HW-044 | 2 | Yes | 3.3-5V | Analog | 40x36 mm | | KY-023 | 2 | Yes | 3.3-5V | Analog | 40x36 mm (nearly identical) | | HW-504 | 2 | No | 3.3-5V | Analog | 32x28 mm (compact) | | PS2 Style (generic) | 2 | Yes | 5V only | Analog | 46x40 mm (with larger cap) | | Thumbstick breakout (STEM) | 2 | Yes | 3.3-5V | Analog + I2C (some) | 37x35 mm |

    Note: The KY-023 and HW-044 are frequently interchangeable, but the HW-044 often has better quality control on the return springs. Always check the pin order before plugging in. hw-044 datasheet

    | Feature | HW-044 | TXS0108E | Simple voltage divider | |---------|--------|----------|------------------------| | Bidirectional | Yes | Yes | No (one-way only) | | Number of channels | 8 | 8 | N/A | | Automatic direction | Yes | Yes | No | | Max speed (safe) | ~200 kHz | ~1 MHz | Depends on resistors | | External pull-ups needed | No | No | Yes | | Cost | Low (~$1-2) | Medium (~$3-5) | Very low |

    The HW-044 datasheet is not just a list of numbers—it's the key to unlocking high-quality, low-noise digital audio for your microcontroller projects. By understanding its pinout, gain settings, power requirements, and I²S timing, you can integrate this tiny board into internet radios, alarm systems, voice assistants, or any mono audio application.

    To summarize:

    With this guide, you can confidently design, wire, and program the HW-044 for your next audio project. For further reading, refer to the official MAX98357 datasheet from Maxim Integrated (now Analog Devices), which provides deeper details on thermal performance, layout guidelines, and clock tolerance. #include &lt;WiFi

    Keywords: hw-044 datasheet, MAX98357 pinout, I2S audio amplifier, ESP32 audio, Arduino I2S, HW-044 gain settings, mono I2S amplifier, digital speaker driver.

    The HW-044 module breaks out five signals through a standard 2.54mm (0.1”) pitch male header. From left to right, with the joystick facing up and the pins pointing down:

    | Pin Number | Signal Name | Description | |------------|-------------|-------------| | 1 | GND | Common ground for power and signals | | 2 | VCC | Supply voltage (3.3V – 5V) | | 3 | X | Analog voltage output for X-axis (left/right) | | 4 | Y | Analog voltage output for Y-axis (forward/back) | | 5 | SW | Digital output for push-button (active low, internal pull-up) |

    Visual reference: On most HW-044 boards, these pins are labeled directly on the PCB silk screen. If not, identify GND and VCC first (often the two outer pins or the pair closest to the board edge). void loop() audio