M5STACK AtomS3RLite Development Kit User Guide

M5AtomS3R
Model: AtomS3RLite
2024

OUTLINE

The ATOMSS3R Lite is a programmable controller from the M5Stack development kit series, featuring an ESP32 as the main controller. It measures only 24 24 9.6 mm and utilizes the ESP32-S3-PICO-1-N8R8 solution, which includes 8MB of PSRAM and 8MB of SPI flash memory. It integrates Wi-Fi and Bluetooth 5.0 (LE) functionality and has a built-in 3D antenna, a 5V to 3.3V power circuit, an infrared transmitter, RGB status indicator lights, a button, and a GROVE/HY2.0-4P interface. The bottom of the product is equipped with power and 6 GPIO pin headers for expansion purposes. The onboard Type-C interface allows for program downloading and serial communication. The back provides an M2 screw hole for mounting. It is suitable for various embedded smart device applications.

1.1. ATOMSS3R Lite
1.Communication Capabilities:

• Main Control: ESP32-S3-PICO-1-N8R8
• Wireless Communication: Wi-Fi (WIFI), BLE function
• Infrared Transmission: Infrared transmitter for infrared control interaction
• Expansion Port: HY2.0-4P interface, for connecting and expanding I2C sensors

2.Processor and Performance:

• Processor Model: Xtensa LX7 (ESP32-S3-PICO-1-N8R8)
• Storage Capacity: 8MB Flash, 8MB PSRAM
• Processor Operating Frequency: Xtensa® dual-core 32-bit LX7 microprocessor, up to 240 MHz

3.GPIO Pins and Programmable Interfaces:

• Grove Interface: For connecting and expanding I2C sensors
• Bottom Pin Headers: Power and 6 GPIO pin headers for expansion

4.Others:

• Board Interface: Type-C interface for program download and serial
• communication Physical Dimensions: 24 24 9.6 mm, with an M2 screw hole on the back for mounting

SPECIFICATIONS

OTG/CDC functionality
Flash Storage Capacity| 8MB FLASH
PSRAM Storage Capacity| 8MB PSRAM
Expansion Port| HY2.0-4P interface, for connecting and expanding 12C sensors
Button| 1 user button
Power Supply Voltage| 4.5-5.5V DC
Dimensions| 24 ‘ 24 • 9.6 mm
Operating Temperature| -10°C to 40°C
MIC| Wi-Fi Working Frequency| 802.11b/q/n20:2412 MHz-2472 MHz
802.11n40:2422 MHz-2462 MHz
802.11b:2484 MHz
BLE Working Frenquency| 2402MHz-2480MHz
CE| Wi-Fi Working Frequency| 802.11b:2412 MHz-2472 MHz
802.11q:2412 MHz-2472 MHz
802.11n-HT20:2412 MHz-2472 MHz
802.11n-H40:2422 MHz-2462 MHz
Wi-Fi Transmit Power| 802.11b:17.27dBm
802.11q:16.82dBm
802.11n-HT20:16.17dBm
802.11n-H40:16.22dBm
BLE Working Frenquency| 2402MHz-2480MHz
BLE Maximum EIRP| 5.52dBm
FCC| Wi-Fi Working Frequency| 2412 MHz-2472 MHz (802.11b,q,n-HT20)
2422 MHz-2462 MHz(802.11n-H40)
Wi-Fi Maximum Conducted Peak Output Power| 21.76dBm
BLE Working Frenquency| 2402MHz-2480MHz(BLE 1M/2M)
BLE Maximum Conducted Peak Output Power| 8.71dBm
Rated Current| 0.5A
Manufacturer| M5Stack Technology Co., Ltd
Manufacturer address| 501, Tangwei Business Building, Tangwei Community, Fuhai Street,
Bao’an District, Shenzhen, China

2.1 Product Size

QUICK START

3.1. Print WiFi information

1. Open Arduino IDE (Refer to
   https://docs.m5stack.com/en/arduino/arduino_ide for the installation guide for the development board and software).

2. Press and hold the reset button for 2 seconds until the green  light turns on.

3. Select the ESP32S3 DEV Module board and the corresponding port, then upload the code.

4. Open the serial monitor to display the scanned WiFi and signal strength information.

3.1. Print BLE information

1. Open Arduino IDE (Refer to https://docs.m5stack.com/en/arduino/arduino_ide for the installation guide for the development board and software)
2. Press and hold the reset button for 2 seconds until the green light turns on
3. Select the ESP32S3 DEV Module board and the corresponding port, then upload the code .
4. Open the serial monitor to display the scanned BLE and signal strength information.

FCC Warning

FCC   Caution:
Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
IMPORTANT NOTE: Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
— Reorient or relocate the receiving antenna.
— Increase the separation between the equipment and receiver.
— Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
— Consult the dealer or an experienced radio/TV technician for help.
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. The SAR was tested for the device in the body worn mode, and it can meet the SAR limit of FCC.

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