M5STACK STAMP-PICO Smallest ESP32 System Board User Guide

M5STACK STAMP-PICO Smallest ESP32 System Board User Guide

1. OUTLINE

STAMP-PICO is the smallest ESP32 system board launched by M5Stack. It focuses on cost-effectiveness and simplification. It embeds an ESP32-PICO-D4 IoT control on a small and exquisite PCB board as small as a stamp (STAMP). core. With the support of ESP32, this development board integrates 2.4GHz Wi-Fi and Bluetooth dual-mode solutions. Provide 12 IO expansion pins and a programmable RGB LED, combined with ESP32 internal interface resources (UART, I2C, SPI, etc.), can expand various peripheral sensors. It can be embedded in all kinds of IoT devices as the control core.

2. SPECIFICATIONS

3. QUICK START

STAMP-PICO adopts the most streamlined circuit design, so it does not include a program
download circuit. When users use it, they can download the program through a USB-TTL burner. The wiring method is shown in the figure below.

3.1. ARDUINO IDE

Visit Arduino’s official website( https://www.arduino.cc/en/Main/Software ),Select the installation package for your own operating system to download.

1.Open up Arduino IDE, navigate to File- >Peferences->Settings
2.Copy the following M5Stack Boards Manager url to Additional Boards Manager URLs:
https://m5stack.oss-cn- shenzhen.aliyuncs.com/resource/arduino/package_m5stack_index.json

3.Navigate to Tools->Board:->Boards Manager…
4.Search M5Stack in the pop-up window, find it and click Install
5.select Tools->Board:->M5Stack-M5StickC （ESP32-PICO-D4 used the same as STAMPPICO）

3.2. BLUETOOTH SERIAL

Open the Arduino IDE and open the example program
File- >Examples->BluetoothSerial->`SerialToSerialBT. Connect the device to the computer and select the corresponding port to burn. After completion, the device will automatically run Bluetooth, and the device name isESP32test`. At this time, use the Bluetooth serial port sending tool on the PC to realize the transparent transmission of Bluetooth serial data.

3.3. WIFI SCANNING
Open the Arduino IDE and open the example program **File-

Examples->WiFi->WiFiScan**.
Connect the device to the computer and select the corresponding port to burn. After completion, the device will automatically run the WiFi scan, and the current WiFi scan result can
be obtained through the serial port monitor that comes with the Arduino.

FCC Statement:

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.

FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment .This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.

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.

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