This document introduces the specifications of ESP-WROOM-02 hardware, including overview, pin definitions, functional description, peripherals, and electrical characteristics, etc. Syntax: file.println(data) or file.println(data, BASE). Most of the I/O pins are broken out to the pin headers on both sides for easy interfacing. Now, the FireBeetle 2 ESP32-E is configured in Arduino IDE and it's ready to go. Close the window. Firebeelte ESP32 models include onboard charging circuitry for a 3.7v lithium-ion(LiPo) battery. This document introduces the specifications of ESP32-PICO-V3-ZERO hardware, including overview, pin definitions, functional description, peripherals, and electrical characteristics, etc. . Using "2": In the properly configured Arduino IDE, either one works fine. The corresponding pin numbers are shown in the table below: PinMode setting is not required. DAC circuit is composed of built-in resistors in series and a buffer. Next, create our Event Name "message" and click "Create trigger" to complete the setup for "this". Click on the icon as shown in the figure. Note: FireBeetle 2 and FireBeetle pins and sizes are not compatible, and neither are the expansion boards. FireBeetle 2 ESP32-E supports Arduino programming, and will support Scratch graphical programming and MicroPython programming very soon. No matter you are a student, an electronic enthusiast, an artist or a designer, this would be your best partner to open up the world of electronic without dealing with complicated circuits, brain-buring codings, and all complex communication protocols. Waveshare Display Screen:http://bit.ly/2JhvVN1Find more here:http://bit.ly/3hhyCL1$9.9 Daily Deals:http://bit.ly/2SZI7D7Download Banggood APP to get extra 1. Notice that the pin numbering is "2/D9". In the schematics of the FireBeetle 2, there is a built-in RGB led on the board: This RGB led is connected to the ESP32 pin IO5 (IO5/D8). This section introduces how to get and print the status of the touch sensor on FireBeetle 2 ESP32-E by Arduino code. The getting started guide for the ESP-EYE AIOT development board. The getting started guide for the ESP32-DevKitC development board. This is the documentation forESP-IoT-SolutionDevelopment Framework. Syntax: file.write(data) and file.write(buf, len). This document provides the specifications for the ESP32-PICO-V3 SiP. Program function: when the button is pressed, the interrupt is triggered and the serial prints the number of times the button has been pressed. Built-in 32-bit Tensilica L106 MCU and 10-bit ADC. PWM (Pulse Width Modulation) is a very effective technique to control analog circuits using the digital output of MCU. I've looked at . Please find it in the "help" folder of the zip file. V shaped gilded I/O interface, can be sewn on clothesdirectly. This document introduces the specifications of ESP8684-WROOM-03 hardware, including overview, pin definitions, functional description, and electrical characteristics, etc. This document is the API reference for ESP8266_NONOS_SDK_V2.2.0. This ESP32-E IoT microcontroller operates at 3.3V supply voltage. ESP-Jumpstart is focused on buildingproductson ESP32. When using Arduino for PWM LED dimming, you should follow the steps below: First, select a PWM channel. The GDI on the expansion shield only supports ESP32-E. I think you will find that the FB draws more than 10uA. This document provides the specifications of the ESP8684 chip. - Return value: A boolean value. Description: Opens a file on the SD card. This document introduces how to use the DownloadTool. The demo is the AT command set based on uart. Beetle ESP32 is a simplified version of FireBeetle-ESP32. The default is to open in read-only mode. Description: Return to the first file in the current directory. The file to be written to should already be open and waiting to be written to. (The path must exist in advance), Syntax: SD.open(filename) and SD.open(filename, mode). Project 2. Program function: Read the light intensity in the current environment. The binaries the compiler is generating for ESP32 seem to run on ESP32-E unchanged. The folder to be removed must be empty. This digital representation can then be processed, manipulated, computed, transmitted or stored. hardware, including overview, pin definitions, functional description, and electrical characteristics, etc. ArduinoRTOSmicroPython Programming Support. The ESP-EYE development board reference design resources, including schematics, PCB layout, gerber files, and BOM lists. Frameworks. Function: Get and set time from Network Time Server. This user guide will help you get started with ESP32-S3-Korvo-2 V3.0 and will also provide more in-depth information. Working current: 80mA in average. Select and download the Arduino IDE package that is appropriate for your computer OS. 123456783v3pic101 coc1 c1 ted rxdpic102100nfcor3 r31nf pic202cor5 r51 piu201pir302 pir5022.4k4 id piusb104 3 up+ piusb103 2 up piusb102 1 +5v piusb101coc2 c2 pic201cor6 r6 pir601 cor8 r8 pir801npnnld2 d2 nld3 d3 nld4 d4 nld5 d5 nld6 d6 nld7 d7 nld8 d8 nld9 d9 neck elk nlsd0 sd0 nlsd1 sd1 nl . Schematics, PCB layout, gerber and BOM files, and spring design files of ESP8266-DevKitS-V1. This user guide provides information on ESP32-PICO-KIT-1, a development board based onESP32-PICO-V3 SiP. BASE (optional), specifies the output format of the data: BIN (binary); OCT (octal); DEC (decimal); HEX (hexadecimal). Copyright 2015-2023 Espressif Systems. Common ground for all power supplies and logics, When powered by 5V-USB, VCC outputs about 4.7V and 3V3 outputs 3.3V; When powered by 4V li-ion battery, VCC outputs about 4V and 3V3 outputs 3.3V(Actual measurement), Occupied when using USB power supply and serial printing, For controlling onboard LED by outputting digital signal, DAC_1Range: 0-255; Output Voltage: 0-3.3V, DAC_2Range: 0-255; Output Voltage: 0-3.3V, IO2/D9 (Connected to the on-board LED, and can't be used to test the touch sensing function), Compatible with DFRobot FireBeetle V2 Series, ESP32 Dual-core low power maincontroller, WiFi+BT4.0, Onboard Charging Circuit and PH2.0 li-ion Battery Port, Input Voltage: 3.3V-5.5V (Support USB Charging), Processor: Tensilica LX6 dual-core processor (One for high-speed connection; one for independent application development), Wi-Fi Protocol: 802.11 b/g/n/d/e/i/k/r (802.11nspeed up to 150 Mbps), A-MPDU and A-MSDU Aggregation, support 0.4us guard interval), Bluetooth Protocol: Bluetooth v4.2 BR/EDR and BLE standard compliant, On-chip Clock: 40MHz crystal, 32.768KHz crystal, Connector: FireBeetle V2 series compatible. . ESP-LAUNCHER, ESP-Test Board, hardware downloading resources, manufacturing specifications, BOM, schematics. It is required to install ESP32 board in Arduino IDE for using FireBeetle 2 ESP32-E for the first time. There are 16 channels from 0 to 15. Improvement: Changed the minimum baud rate supported by the CAN module from 25 kHz to 12.5 kHz. Great for prototyping, but I had to desolder and resolder for the final build which is a pain . 305 KB Download. Then, set the PWM signal frequency. It's easily programmable via Arduino IDE, and ideal for smart home IoT, industrial IoT applications, wearable devices . This open source board of high-flexibilty could bring you infinite possibilities! Fixed When each CPU reads certain different address spaces simultaneously, a read error can occur.. Introduction. The on-board LED blinks at an interval of 1 second. Schematics, PCB layout, gerber and BOM files of ESP32-C3-WROOM-02U. This document introduces the specifications of ESP32-S2-WROVER and ESP32-S2-WROVER-I hardware, including overview, pin definitions, functional description, peripherals, and electrical characteristics, etc. The power consumption can be reduced to 13 A after controlling the maincontroller to enter the sleep mode through the program. Practically, the difference between previous Firebeetle ESP32 (SKU:DFR0478) and ESP32-E (SKU:DFR0654) did not matter, because I looked up the GPIO / Pin definitions from the DFRobot schematic and Wiki and did not use the Pin numbers like D<number>. 3. mode (optional), the mode to open the file. The other day my friend asked me to help him remake his compost bin, he wants a device that allows him to remotely get the real-time temperature and humidity inside. The touchRead() returns a value within 0-255. This document introduces to users the ESP32-LyraTD-DSPG development board, focusing on specifications, flashing the firmware, network configuration,and interactive function. We have learned how to light up the LED through the IO port before. 1. If that doesn't work, try replacing the board link from. Introduction: Today were going to be building a wireless outdoor weather station that takes temperature, humidity, barometric pressure, light and wind speed readings, and uses WiFi to post the data to the cloud which can then be accessed through a Thingspeak dashboard. Not much battery capacity being used. ESP-WROOM-02D and ESP-WROOM-02U module reference design resources, including schematics, PCB layout, gerber files, and BOM lists. Could you support this device? One of the things I didn't like about the HiLetGo/NodeMCU board was the pins. Therefore, it is best to use SD.exists(filename) to check if the file exists before removing the file. The following example code defaults to STA mode. Receive the data from FireBeele-ESP32-E in the Email box. Set the duty cycle resolution of the signal, ranging from 1 to 16 bits. Then click "Create action" to complete the creation. It is recommended not to multiplex the pin IO0/D5, IO1/TXD and IO3/RX since they will be occupied when using USB-related function. Low-power consumption(the electricity current under ultra-low power is 10A), Quick Response(the top frequency is 400KHz), Support electric current of low power consumption: 10 A. Red LED for indicating charging status: 1. You can make a download without switching boot-mode manually. This document provides the specs of ESP-PSRAM64 & ESP-PSRAM64H. Schematics, PCB layout, gerber and BOM files of ESP32-S2-SOLO. This document introduces how to use EspRFTestTool to conduct an RF performance test. Please enter your details below and we will send you an email when this item is back in stock. The two DACs can be used as reference voltage. There are a large number of detailed tutorials and thousands of easy-to-use Gravity peripherals that provide you with the simplest way to program. When the SDK installation completes, the word "installed" will appear at the position marked in red below. Return value: a boolean value, true if the file or folder exists, false if it does not exist. You can also use begin(cspin) to specify a pin to connect to the CS enable selection pin of the SD card, but you need to ensure that the SS pin of the SPI is in output mode, otherwise the SD card library will not work. There are many options for the screen, LCD1602 or LED monochrome dot matrix for splicing. The PWM controller of ESP32 has 16 independent channels, which can be configured to generate PWM signals with different properties. ESP-WHO is a face detection and recognition platform that is currently based on Espressif Systems'. The Firebeetle has a VCC pin which supplies 5v when connected to USB or 3.7v when connected to a Li-ion battery, but I don't think this is regulated. If the file cannot be opened, false is returned. We provide you with detailed online tutorials and application cases, and there are thousands of sensors with welding-free Gravity interfaces and actuators to help you get started easily. DFR0225 Romeo V2-All in one Controller R3, DFR0100 DFRduino Beginner Kit For Arduino V3, DFR0428 3.5 inches TFT Touchscreen for Raspberry Pi, DFR0478 FireBeetle ESP32 IOT Microcontroller(V3.0), DFR0483 FireBeetle Covers-Gravity I O Expansion Shield, DFR0143 Triple Axis Accelerometer MMA7361, DFR0489 FireBeetle ESP8266 IOT Microcontroller, DFR0492 FireBeetle Board-328P with BLE4.1, DFR0498 FireBeetle Covers-Camera&Audio Media Board, DFR0507 FireBeetle Covers-OLED12864 Display, DFR0508 FireBeetle Covers-DC Motor & Stepper Driver, DFR0023 DFRobot LM35 Linear Temperature Sensor, DFR0511 FireBeetle Covers-ePaper Black&White Display Module, DFR0514 DFR0603 IIC 16X2 RGB LCD KeyPad HAT V1.0, DFR0524 5.5 HDMI OLED-Display with Capacitive Touchscreen V2.0, DFR0531 FireBeetle Covers-ePaper Black&White&Red Display Module, DFR0536 Micro bit Gamepad Expansion Board, DFR0550 5'' TFT-Display with Touchscreen V1.0, DFR0566 IO Expansion HAT for Raspberry Pi, DFR0024 Gravity DS18B20 Temperature Sensor V2, DFR0591 raspberry pi e-ink display module V1.0, DFR0604 I O Expansion HAT for Pi zero V1.0, DFR0024 Gravity DS18B20 Temperature Sensor V2, DFR0558 Gravity Digital High Temperature Sensor K-type, TEL0110 CurieCore intel Curie Neuron Module, TEL0121 FireBeetle Covers-LoRa Radio 433MHz, TEL0122 FireBeetle Covers-LoRa Radio 915MHz, TEL0125 FireBeetle Covers LoRa Radio 868MHz, ROB0150 Micro bit Circular RGB LED Expansion Board, SEN0072 CMPS09 - Tilt Compensated Magnetic Compass, SEN0032 Triple Axis Accelerometer Breakout - ADXL345, SEN0219 Gravity Infrared CO2 Sensor For Arduino, SEN0224 Gravity I2C Triple Axis Accelerometer - LIS2DH, SEN0226 Gravity I2C BMP280 Barometer Sensor, DFR0067 DHT11 Temperature and Humidity Sensor, DFR0066 SHT1x Humidity and Temperature Sensor, SEN0250 Gravity BMI160 6-Axis Inertial Motion Sensor, SEN0251 Gravity BMP280 Barometric Pressure Sensors, SEN0253 Gravity BNO055 + BMP280 intelligent 10DOF AHRS, Triple Axis Accelerometer FXLN83XX Series, SEN0137 DHT22 Temperature and humidity module, SEN0227 SHT20 I2C Temperature & Humidity Sensor Waterproof Probe, SEN0246 URM08-RS485 Waterproof Sonar Range Finder, SEN0304 URM09 Ultrasonic Sensor (Gravity-I2C) (V1.0), SEN0300 Water-proof Ultrasonic Sensor ULS, SEN0301 Water-proof Ultrasonic Sensor ULA, SEN0307 URM09 Ultrasonic Sensor Gravity Analog, SEN0311 A02YYUW Waterproof Ultrasonic Sensor, SEN0312 ME007YS Waterproof Ultrasonic Sensor, SEN0313 A01NYUB Waterproof Ultrasonic Sensor, TOY0054 SI7021 Temperature and humidity sensor, SEN0236 Gravity I2C BME280 Environmental Sensor Temperature, Humidity, Barometer, SEN0248 Gravity I2C BME680 Environmental Sensor VOC, Temperature, Humidity, Barometer, SEN0308 Waterproof Capacitive Soil Moisture Sensor, SEN0019 Adjustable Infrared Sensor Switch, SEN0143 SHARP GP2Y0A41SK0F IR ranger sensor 4-30cm, SEN0013 Sharp GP2Y0A02YK IR ranger sensor 150cm, SEN0014 Sharp GP2Y0A21 Distance Sensor 10-80cm, SEN0085 Sharp GP2Y0A710K Distance Sensor 100-550cm, DFR0300-H Gravity: Analog Electrical Conductivity Sensor(K=10), DFR0300 Gravity Analog Electrical Conductivity Sensor Meter V2 K=1, SEN0161-V2 Gravity Analog pH Sensor Meter Kit V2, SEN0237 Gravity Analog Dissolved Oxygen Sensor, SEN0204 Non-contact Liquid Level Sensor XKC-Y25-T12V, SEN0244 Gravity Analog TDS Sensor Meter For Arduino, SEN0249 Gravity Analog Spear Tip pH Sensor Meter Kit For Soil And Food Applications, SEN0228 Gravity I2C VEML7700 Ambient Light Sensor, SEN0017 Line Tracking Sensor for Arduino V4, SEN0212 TCS34725 I2C Color Sensor For Arduino, SEN0245 Gravity VL53L0X ToF Laser Range Finder, SEN0259 TF Mini LiDAR ToF Laser Range Sensor, SEN0262 Gravity Analog Current to Voltage Converter (4~20mA), DFR0027 DFRobot Digital Vibration Sensor V2, SEN0038 Wheel Encoders for DFRobot 3PA and 4WD Rovers, DFR0052 Analog Piezo Disk Vibration Sensor, SEN0170 Wind Speed Sensor Voltage Type 0-5V, TOY0048 High Accuracy Dual Axis Inclinometer Sensor Arduino Gadgeteer Compatible, SEN0186 Weather Station with Anemometer Wind vane Rain bucket, SEN0230 Incremental Photoelectric Rotary Encoder - 400P R, SEN0232 Gravity Analog Sound Level Meter, SEN0233 Air Quality Monitor PM 2.5, Temperature & Humidity Sensor, DFR0515 FireBeetle Covers-OSD Character Overlay Module, ROB0025 NEW A4WD Mobile Robot with encoder, ROB0124 HCR Mobile Platform with Omni Wheels, ROB0128 Devastator Tank Mobile Platform Metal DC Gear Motor, DFR0265 IO Expansion Shield for Arduino V7, DFR0312 Raspberry Pi GPIO Extension Board, DFR0327 Arduino Shield for Raspberry Pi 2B and 3B, DFR0412 Gravity IO Expansion Shield For DFRduino M0, DFR0502 Gravity IO Expansion & Motor Driver Shield V1.1, DFR0518 Micro Mate- A Mini Expansion Board for micro bit, DFR0578 Gravity I O Expansion Shield for OpenMV Cam M7, DFR0577 Gravity I O Expansion Shield for Pyboard, DFR0626 MCP23017 IIC to 16 digital IO expansion module, DFR0063 I2C TWI LCD1602 Module Gadgeteer Compatible, DFR0154 I2C TWI LCD2004 Module Arduino Gadgeteer Compatible, TOY0005 OLED 2828 color display module .NET Gadgeteer Compatible, DFR0091 3-wire Serial LCD Module Arduino Compatible, DFR0347 2.8 TFT Touch Shield with 4MB Flash for Arduino and mbed, DFR0348 3.5 TFT Touch Shield with 4MB Flash for Arduino and mbed, DFR0387 TELEMATICS 3.5 TFT Touch LCD Shield, DFR0460 64x32 RGB LED Matrix - 4mm Pitch/64x32 Flexible RGB LED Matrix-4mm Pitch/64x32 Flexible RGB LED Matrix-5mm Pitch, DFR0461 Gravity Flexible 8x8 RGB LED Matrix, DFR0462 Gravity Flexible 8x32 RGB LED Matrix, DFR0463 Gravity Flexible 16x16 RGB LED Matrix, DFR0464 Gravity I2C 16x2 Arduino LCD with RGB Backlight Display, DFR0506 7'' HDMI Display with Capacitive Touchscreen, DFR0555\DF0556\DFR0557 Gravity I2C LCD1602 Arduino LCD Display Module, DFR0529 2.2 inches TFT LCD Display V1.0 (SPI Interface), FIT0352 Digital RGB LED Weatherproof Strip 60LED m*3m, DFR0645-G DFR0645-R 4-Digital LED Segment Display Module, SKU DFR0646-G DFR0646-R 8-Digital LED Segment Display Module, TEL0037 Wireless Programming Module For Arduino, TEL0087 USBBLE-LINK Bluno Wireless Programming Adapter, TEL0083-A GPS Receiver for Arduino Model A, DFR0342 W5500 Ethernet with POE Mainboard, TEL0107 WiFiBee-MT7681 Arduino WiFi Wireless Programming, TEL0112 Gravity 315MHZ RF Receiver Module, TEL0113 Gravity UART A6 GSM & GPRS Module, DFR0505 SIM7000C Arduino NB-IoT LTE GPRS Expansion Shield, DFR0057 Sensor Motor Drive Board - Version 2.2, TEL0070 Multi USB RS232 RS485 TTL Converter, SD2403 Real time clock Module SKU TOY0020, DFR0316 MCP3424 18-Bit ADC-4 Channel with Programmable Gain Amplifier, DFR0553 Gravity I2C ADS1115 16-Bit ADC Module Arduino & Raspberry Pi Compatible, DFR0117 Gravity I2C EEPROM Data Storage Module, DFR0503 Embedded Thermal Printer - TTL Serial, DFR0563 Gravity 3.7V Li Battery Fuel Gauge, DFR0576 Gravity Digital 1-to-8 I2C Multiplexer, DFR0399 DC Micro Metal Gear Motor 75 1 w Driver, DRI0021 Veyron 2x25A Brush DC Motor Driver, DRI0039 Quad Motor Driver Shield for Arduino, DRI0044 2x1.2A DC Motor Driver TB6612FNG, DFR0523 Gravity Digital Peristaltic Pump, SER0044 DSS-M15S 270 15KG DF Metal Servo with Analog Feedback, DRI0023 Stepper Motor Shield For Arduino DRV8825, DRI0035 TMC260 Stepper Motor Driver Shield, DFR0564 USB Charger for 7.4V LiPo Battery, DFR0559 Sunflower Solar Power Manager 5V, DFR0580 Solar Power Manager For 12V Lead-Acid Battery, KIT0098 Breadboard Plugin Components Pack, SEN0305 HUSKYLENS AI Machine Vision Sensor, Gravity: Analog Rotation Potentiometer Sensor for Arduino - Rotation 300, 1.54" 240x240 IPS wide viewing angle TFT display, 2.0" 320x240 IPS wide viewing angle TFT display, 2.8" 320x240 IPS TFT resistive touch display, 3.5" 480x320 IPS TFT capacitive touch display, 1.51" OLED Transparent Display with Converter, http://download.dfrobot.top/FireBeetle/package_DFRobot_index.json, Program download and power supply, 4.75V-5.5V compatible. This document introduces the ESP8266 AT commands and explains how to use them and provides examples of several common AT commands. The client can connect to the server and remotely control the on/off state of the LED. All GPIO pins broken out from the FireBeetle 2 ESP32-E development board, except those that are already occupied or have specific functions, can be used as external interrupt pins. We sell two versions of Firebeetle 2 ESP32-E, unsoldered version and with header version. Return value: a boolean value, true if the file is successfully removed, false if the file removal fails. 1.Click to download microPython firmware. This document introduces the jump test of ESP8266's secondary bootloader (V1.6+). ESP-WHO is a face detection and recognition platform that is currently based on Espressif Systems'ESP32chip. description of firebeetle esp32 e schematic . The esp32 is too big to be in a normal key fob size. The SPI of FireBeetle 2 ESP32-E can be configured to all I/O ports, and you can refer to the underlying code for usage (not recommended for beginners). This document introduces the specifications of ESP32-C3-MINI-1 and ESP32-C3-MINI-1U hardware, including overview, pin definitions, functional description, peripherals, and electrical characteristics, etc. When the digital pin outputs high, the LED turns on. This document provides ESP8266 Wi-Fi channel selection guidelines. The guidelines outline recommended design practices when developing standalone or add-on systems based on the ESP32-C6 series of products. - Return value: A boolean value. This document introduces the specifications of ESP32-C6-WROOM-1 & ESP32-C6-WROOM-1U hardware, including overview, pin definitions, functional description, peripherals, and electrical characteristics, etc. The following program implements functions such as accessing SD card, manipulating files and folders, including reading and writing files. filename, the name of the folder to create. This document introduces the specifications of ESP32-S2-SOLO-2 and ESP32-S2-SOLO-2U hardware, including overview, pin definitions, functional description, peripherals, and electrical characteristics, etc. Project 1. This guide shows how to get started with the ESP32-LyraT-Mini development board and also provides information about its functionality and configuration options. The following example uses ESP32 to create a WiFi server. - Return value: The number of bytes sent. The received data will be viewed on serial port. When disconnected, static power consumption can be reduced by 500 A. Schematics, PCB layout, gerber and BOM files of ESP32-C3-MINI-1. Program Function: Connect to the WiFi server created by FireBeetle 2 ESP32-E using a mobile phone, access 192.168.4.1, and remotely control the on/off state of the onboard LED. IFTTT aims to help people use the open API of various websites to monitor the triggers set by users. This document provides information on ESP32-C6-DevKitC-1 development board. You will only be emailed about this product! This document provides the specifications for the ESP32-SOLO-1 module. This user guide provides information on ESP32-S2-Saola-1, a small-sized ESP32-S2 based development board produced by Espressif. It supports Arduino, IDF (linux), micropython etc. Program function: Burn the routine, use the pin IO4/D12 as a touch button, and return the touch value through the serial monitor. Return value: a boolean value, true if the removal is successful, false if the removal fails. buf: a character array or byte data. This document introduces the specifications of ESP32-PICO-D4 hardware, including overview, pin definitions, functional description, peripherals, and electrical characteristics, etc. The ESP32 supports both STA and AP mode for WiFi connection. Solar Weather Station Using ESP32, {if(miniCur.show){miniCur.show = false}else{miniCur.show = true}}"> Schematics, PCB layout, gerber and BOM files of ESP8266-DevKitC-V1. This is documentation of ESP-ADF, the framework to develop audio applications for ESP32 chip by Espressif. ESP32-S2-WROVER-I reference design resources, including schematics, PCB layout, gerber files, and BOM list. It can include a path, separated by "/". MPDU and A-MSDU, supporting 0. Function: Drive the onboard LED using PWM to display a breathing light effect. This user guide provides information on ESP32-S2-DevKitM-1(U), an entry-level development board based on ESP32-S2-MINI-1(U) module. FireBeetle-ESP32. The transmitted data can be viewed. I accidentally saw a VFD fluorescent screen before, it was green-blue when it was lit, and it glowed with white light, which makes the whole screen a mottled beauty. To run microPython on the FireBeetle 2 ESP32-S3, you need to burn the firmware into FireBeetle 2 ESP32-S3 first. It supports WiFi and Bluetooth dual-mode communication and features a small size, ultra-low power consumption, on-board charging circuit, and easy-to-use interface, which can be conveniently used for smart home IoT .

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