10Gtek ESP-32S ESP-WROOM-32 Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual cores Module for Arduino IDE ESP32 x1

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10Gtek ESP-32S ESP-WROOM-32 Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual cores Module for Arduino IDE ESP32 x1

Regular Price: US$23.99

Special Price US$19.99

Availability: In stock

Supplier: 10Gtek

Category: Electronics Computers & Accessories Computer Components Single Board Computers

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US$79.97

Parameters:

Compatible with Arduino and Raspberry Pi.

I/O: 22(UART/GPIO/ADC/PWM/SPI/I2C)

Operating Frequency: 80/240 MHz.

Flash:4 MB.

Support STA/AP/STA + AP three operating modes.

Support secondary development, integrated Windows and Linux development environment.

Operating temperature :-20 ? ~ 70 ?.

Storage environment :-40 ° C to 125 ° C, <90%RH.

Instruction & Steps of How to use:

1.Download and Install the Arduino IDE, the latest version, download Link: www.arduino.cc/en/software.

2.Set up your motherbord IDE as: Go to File.Preferences and copy the URL below to get the ESP board manager extensions: dl.espressif.com/dl/package_esp32_index.json.

3.Go to Tools > Board > Board Manager> Type "esp32" and download the Community esp32 and install.

4.Set up your chip as:

Tools -> Board -> Arduino AVR Boards -> Arduino Yún.

Tools -> Flash Size -> 4M; Tools -> CPU Frequency -> 80 MHz

Tools -> Upload Speed -> 115200; Tools-->Port--> (whatever it is)

5. Download and run the 32 bit flasher exe at Github(Search for nodemcu/nodemcu-flasher/tree/master/ at Github)

github.com/nodemcu/nodemcu-flasher/tree/master/Win32/Release Or download and run the 64 bit flasher exe at: github.com/nodemcu/nodemcu-flasher/tree/master/Win64/Release

6. In motherbord IDE, look for the old fashioned Blink program. Load, compile and upload.

7. Go to File> Examples> Blink, it will start blinking.

Data download access to the website: doc.10gtek.com/file/file/20221125/c29819a31342543ab89e410542d76991.pdf

Firmware link: doc.10gtek.com/file/file/20221125/008a90c5b6ff46af6b0a39aed74622a1.bin

Technical Reference link: doc.10gtek.com/file/file/20221125/52560367c7c7200c9be844f36db5d5e6.pdf

FAQ:

How can I optimize the second harmonic and other spurious signals created by my own products?

The second harmonic mainly comes from the radiation generated by the RF link and PA (power amplifier) power supply. The backplane (board size) and the product also make impact on the second harmonic. Therefore, it is recommended that you:

• Add a ground capacitor of approximately 2.4 pF to the RF matching circuit to reduce the spurious radiation coming from the RF link;

• Add a series inductor to the PA power supply (Pins 3 and 4 of ESP32) to reduce the spurious radiation coming from it.

What are the Classic Bluetooth profiles supported by ESP32?

• ESP-IDF V3.1: HFP Client (not HF gateway)

• ESP-IDF V3.0: A2DP Source/A2DP Sink/AVRCP/AVDTP/SPP/RFCOMM

What BLE profiles does ESP32 support?

At the moment, ESP32 BLE fully supports some basic profiles, such as GATT/SMP/GAP,

and some self-defined profiles. The ones that have already been implemented include BLE HID (receiving side), BLE SPP-Like, Battery, DIS, Blu-Fi (Bluetooth Network Configurationtransmitting side), and so on.

How to perform AP scanning when there is not enough memory?

The memory for storing the scan results is dynamically applied. If there is a large number of

APs in the surrounding area, a lot of memory will be occupied. At this time, one possible

solution is to scan channel by channel.

How can I make sending messages by UART0 disabled by default?

Connecting GPIO15 to Ground helps with the bootloader messages. And to also suppress the ESP-IDF messages, users need to select the appropriate log option in menuconfig / Component config /Log output.

Data download access to the website: Data download access to the website: doc.10gtek.com/file/file/20221125/c29819a31342543ab89e410542d76991.pdf. The main frequency is up to 240MHz, and the operation capacity is up to 600DMIPS, support for the secondary development of the RTOS operating system. This board is used with 2.4 GHz dual-mode Wi-Fi and Bluetooth chips ESP-WROOM-32, using TSMC low-power 40nm technology, and the data transmission is fast and stable. Support of three modes: AP, STA and AP + STA.(Note: It is only for Android, not for IOS.). The module supports for NodeMCU and other development environments, support UART / SPI / I2C / PWM and other interfaces.