38 Pin Nodemcu ESP32S Microcontroller WiFi & Bluetooth ESP WROOM 32 Development Board Module

This is an IoT board that can be used as a client mode where collected sensor data can be sent to the server using WiFi protocol. Or, used as the main server to control Led, relay or any output that is connected to this board. This board is fully supported by the Arduino IDE program.

Example Programming Code:

void setup() {
  // initialize digital pin LED_BUILTIN as an output.
  pinMode(2, OUTPUT);
}

// the loop function runs over and over again forever
void loop() {
  digitalWrite(2, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(1000);                       // wait for a second
  digitalWrite(2, LOW);    // turn the LED off by making the voltage LOW
  delay(1000);                       // wait for a second
}

Note: The board is built-in with a Bluetooth 4.2 radio.

Features:

• 100% brand new and high quality.
• ESP32 is already integrated antenna and RF balun,power amplifier,low-noise amplifiers,filters,and power management module.
• The entire solution takes up the least amount of printed circuit board area.
• This board is used with 2.4 GHz dual-mode Wi-Fi and Bluetooth chips by TSMC 40nm low power technology,power and RF properties best,which is safe,reliable,and scalable to a variety of applications.
• High performance-price ratio.
• Small volume,easily embeded to other products.
• Strong function with support LWIP protocol,Freertos.
• Supporting three modes:AP,STA,and AP+STA.
• Supporting Lua program,easily to develop.

Specifications:

1. Type: Wifi + Bluetooth module
2. Model: ESP32 38 pins
3. Power voltage (USB): 5V DC
4. Input/Output voltage: 3.3V DC
5. Power consumption: 5μA in suspension mode
6. Main CPU: Tensilica Xtensa 32-bit LX6
7. Performance: Up to 600 DMIPS
8. Clock frequency: up to 240Mhz
9. Secondary processor: allows for basic operations in ultra low-consumption mode
10. Wifi: 802.11 b/g/n/e/i (802.11n @ 2.4 GHz up to 150 Mbit/s)
11. Bluetooth: 4.2 BR/EDR BLE dual control mode
12. Memory: 448 KByte ROM, 520 KByte SRAM, 6 KByte SRAM on RTC and QSPI supports multiple flash / SRAM chips
13. Antenna: PCB
    
14. GPIO digital pins: 24 (some pins only as input)
15. Digital analog converter: two 12bit SAR type ADC, supports measurements on up to 18 channels, some pins support an amplifier with programmable gain
16. Security: IEEE 802.11, including WFA, WPA/WPA2 and WAPI
17. Hardware-accelerated cryptography: AES, SHA-2, RSA, elliptical curve cryptography (ECC), random number generator (RNG)
18. USB To Serial Converter Chip CH9102

Package Include:

• 1 x 38 Pin Nodemcu ESP32  Microcontroller 

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