SKU:C123
DescriptionAtomS3 is a highly integrated programmable controller based on the ESP32-S3 main controller. It integrates the ESP32-S3 main controller, Wi-Fi functionality, 8 MB on-chip Flash, and a 0.85-inch IPS screen. Below the screen, there is a programmable button function, a built-in 5V to 3.3V circuit, and a 6-axis gyroscope sensor MPU6886. It has an onboard USB Type-C interface for power supply and firmware download, as well as a HY2.0-4P expansion port. The bottom reserves 6 GPIO and power pins for easy expansion applications. The product size is 24.0 x 24.0 x 13.0mm, suitable for various embedded smart device applications.
TutorialThis tutorial will introduce how to program and control the AtomS3 device using the Arduino IDE.
This tutorial will introduce how to control the AtomS3 device through the UiFlow2 graphical programming platform.
FeaturesDownload Mode
To flash firmware, press and hold the reset button (about 2 seconds) until the internal green LED lights up, then release. The device is now in download mode, ready for flashing.
LCD Backlight Control
The PWM signal frequency for the LCD backlight driver is recommended to be 500Hz. A frequency that is too high may cause abnormal brightness adjustment functionality.
Schematics PinMap MPU6886The I2C pins on the back share the same bus
ESP32-S3 IO38 IO39 MPU6886 SDA SCL LCD ESP32-S3 G21 G17 G15 G33 G34 G16 MPU6886 MOSI SCK CS RS RST LCD_BL HY2.0-4P HY2.0-4P Black Red Yellow White PORT.CUSTOM GND 5V G2 G1 Model Size Datasheets Softwares Arduino UiFlow2 PlatformIO[env:m5stack-atoms3]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino
upload_speed = 1500000
monitor_speed = 115200
build_flags =
-DESP32S3
-DCORE_DEBUG_LEVEL=5
-DARDUINO_USB_CDC_ON_BOOT=1
-DARDUINO_USB_MODE=1
lib_deps =
M5Unified=https://github.com/m5stack/M5Unified
Easyloader Easyloader Download Link Note AtomS3 User Demo download / Video
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