SPK HAT
Description
SPK HAT is an M5StickC compatible speaker, integrated PAM8303 amplifier (3w single channel type D power amplifier), High PSRR and differential inputs eliminate noise and rf interference, thus it has the characteristics of simple functions and high audio reproduction.
Product Features
- Ultra-low EMI interference, 20dB better than FCC class B standard at 300MHz
- Voltage 5 v power supply, with 4 Ω load power output 3 w, 10% of the total harmonic distortion.
- Ultra-low noise without input
- Power range: 2.8V～5.5V
- Shortcut protection.
Package Includes
- 1x SPK Hat
Applications
- MP4/MP3
Specification
| Resources | Parameter |
|---|---|
| Net weight | 5g |
| Gross weight | 13g |
| Product Size | 25*24*14mm |
| Package Size | 40*42*30mm |
EasyLoader
EasyLoader is a concise and fast program writer, which has a built-in case program related to the product. It can be burned to the main control by simple steps to perform a series of function verification.
Description:
Drive the SPK HAT speaker to play a tone every second.
Drive the SPK HAT speaker to play a tone every second.
Pin Map
| M5StickC | GPIO0 | GPIO26 | 5V | GND |
|---|---|---|---|---|
| HAT SPK | SD | IN- | 5V | GND |
Schematic
The old version (v1.2) can improve the sound quality by flying wire as shown above.
Related Link
Learn
m5WebRadio is a sketch to play web streaming radio station on a M5Stick-C esp32 module: A $13 esp32 net radio player.
A low cost, simple to customize and program lone worker monitor or fall alarm.
Example
Arduino
Click here to download Arduino code
UIFlow
Open http://flow.m5stack.com and Load Demo
