ESP32 DEVKIT V1
Brand : Made in China
485.00৳
Product details
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Description
Description of ESP32 DEVKIT V1
The ESP32 Devkit V1 by [Espressif Systems](https://www.espressif.com/) is the world’s smallest microcontroller series which comes with integrated WiFi and Bluetooth capabilities that make it suitable for [IoT projects](https://randomnerdtutorials.com/projects-esp32/) and compact electronic devices.
The ESP32 Devkit V1 outperforms both [Arduino](https://www.arduino.cc/) and [Atmel](https://www.microchip.com/en-us/about/corporate-overview/acquisitions/atmel) and [PIC](https://www.microchip.com/en-us/products/microcontrollers/8-bit-mcus/pic-mcus) because it provides more pins and a quicker processor and better functionality. Some people use the [Raspberry Pi](https://www.raspberrypi.com/) to compare with the ESP32 but the ESP32 is better because it costs less and takes up less space and uses less energy and works better for tiny applications.
Specification :
|
Parameter |
Details |
|---|---|
|
Microcontroller |
ESP-WROOM-32 |
|
Processor |
Xtensa dual-core 32-bit LX6 |
|
Clock Speed |
240 MHz |
|
RAM |
520 KB SRAM, 448 KB ROM, 16 KB SRAM in RTC |
|
Flash Memory |
4 MB |
|
WiFi |
802.11b/g/n |
|
Bluetooth |
V4.2 |
|
GPIOs |
25 |
|
Antenna |
On-board PCB antenna |
|
Programming Port |
Micro USB |
|
USB to UART |
CP2102 |
|
Dimensions |
50 × 29 mm (±2) |
Comparison With Other :
The ESP32 Devkit V1 provides a strong dual-core development board which includes Wi-Fi and Bluetooth connectivity together with multiple GPIO pins to support advanced Internet of Things applications. The ESP8266 NodeMCU V2 board provides basic Internet of Things functionality through its single-core Wi-Fi capability although it has fewer available pins than other devices. The Arduino UNO board provides entry-level users with a basic development platform which lacks wireless capability and operates at reduced speed while offering limited pin access to support fundamental electronics work and prototype development.
|
Feature |
ESP32 |
ESP8266 |
Arduino UNO |
|---|---|---|---|
|
Clock Speed |
240 MHz |
160 MHz |
16 MHz |
|
WiFi |
Yes |
Yes |
No |
|
Bluetooth |
Yes |
No |
No |
|
Memory |
520 KB SRAM, 4 MB Flash |
520 KB SRAM, 4 MB Flash |
520 KB SRAM, 4 MB Flash |
|
GPIOs |
25 |
17 |
20 |
ESP32 Pin Diagram :
|
Pin |
GPIO |
Alternate Pin Function |
Safe |
Remarks |
|---|---|---|---|---|
|
1 |
EN / RESET |
|||
|
2 |
GPIO36 |
VP / ADC1_0 |
⚠️ |
Input only |
|
3 |
GPIO39 |
VN / ADC1_3 |
⚠️ |
Input only |
|
4 |
GPIO34 |
ADC1_6 |
⚠️ |
Input only |
|
5 |
GPIO35 |
ADC1_7 |
⚠️ |
Input only |
|
6 |
GPIO32 |
ADC1_4 / Touch9 |
âś… |
|
|
7 |
GPIO33 |
ADC1_5 / Touch8 |
âś… |
|
|
8 |
GPIO25 |
ADC2_8 / DAC1 |
âś… |
|
|
9 |
GPIO26 |
ADC2_9 / DAC2 |
âś… |
|
|
10 |
GPIO27 |
ADC2_7 / Touch7 |
âś… |
|
|
11 |
GPIO14 |
ADC2_6 / Touch6 / HSPI_CLK |
âś… |
|
|
12 |
GPIO12 |
ADC2_5 / Touch5 / HSPI_MISO |
⚠️ |
Must be LOW during boot |
|
13 |
GPIO13 |
ADC2_4 / Touch4 / HSPI_MOSI |
âś… |
|
|
14 |
GND |
— |
||
|
15 |
VIN |
— |
4.8V < VIN < 12V |
|
|
16 |
3.3V |
— |
600mA |
|
|
17 |
GND |
— |
||
|
18 |
GPIO15 |
ADC2_3 / Touch3 / HSPI_CS |
⚠️ |
Must be HIGH during boot, prevents startup log if pulled LOW |
|
19 |
GPIO2 |
ADC2_2 / Touch2 / CS |
⚠️ |
Must be LOW during boot and connected to onboard LED |
|
20 |
GPIO4 |
ADC2_0 / Touch0 |
âś… |
|
|
21 |
GPIO16 |
U2_RXD |
âś… |
|
|
22 |
GPIO17 |
U2_TXD |
âś… |
|
|
23 |
GPIO5 |
VSPI_CS |
⚠️ |
Must be HIGH during boot |
|
24 |
GPIO18 |
SCK |
âś… |
|
|
25 |
GPIO19 |
VSPI_MISO |
âś… |
|
|
26 |
GPIO21 |
SDA |
âś… |
|
|
27 |
GPIO22 |
SDA |
âś… |
|
|
28 |
GPIO23 |
VSPI_MOSI |
âś… |
|
|
29 |
TX0 |
UART0_TX |
⚠️ |
Used for programming |
|
30 |
RX0 |
UART0_RX |
⚠️ |
Used for programming |
- HSPI and VSPI both can be used for SPI interfaces, where VSPI pins are commonly used in standard libraries.
- All GPIOs except input-only GPIOs can function as PWM output.
- The system blocks ADC2 pin access during WiFi operation.
- All DACs have 8-bit resolution.
- The ESP32 supports two I2C buses which do not have fixed assignment because users can choose their pin configuration.(GPIO21 and GPIO22 are commonly used.)
- The hardware reset function disables the chip when you pull the EN pin to low state.
Power Supply :
The ESP32 Dev Board V1 features a positive voltage regulator, specifically the AMS1117-3.3, which enables operation with external power sources. The board does not require computer connection because this configuration provides power. The VIN pin powers the device which uses a voltage input that the regulator converts into a 3.3V output to supply power through the board's different power rails. The AMS1117-3.3 datasheet specifies that the component can handle input voltages between 4.8V and 12V without safety issues. The system requires additional cooling mechanisms, because high input voltages result in excessive heat build up. The system needs 5V to 6V input voltage for its best performance and effective thermal control. We invite you to explore our Bengali tutorial Powering ESP32 with External Power for more information about the ESP32 power control system.
How To Program?
The ESP32 can be programmed using various platforms, like the Espressif IDE, Thonny IDE, PlatformIO with VS Code and the Arduino IDE. A quick search on Google will help us to find numerous online tutorials about these platforms. The following examples demonstrate this: - Installing the ESP32 Board in the Arduino IDE. - ESP32 Programming using Espressif IDE.
ESP32-Based Projects-
- Health Monitoring System. - Interfacing TFT LCD Touch Display with ESP32. - ESP32 Google Sheet Data Logger
ESP32 Arduino Examples
You can access multiple sample projects after you install ESP Boards through the Arduino IDE Board Manager which includes projects such as Blink and Digital Read Serial and Analog Read Serial and Button and PWM and WiFi Web Server and WiFi Web Client. From the Arduino IDE, go to Tools > Board and select esp32 > ESP32 Dev Module. The User needs to select the ESP32 board first before accessing the example sketches through File > Examples. The folder contains multiple example sketches which demonstrate various functions including WiFi and Bluetooth and Sensors and additional features.
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