DOIT ESP32 DEV KIT v1: high resolution pinout and specs

Link to the high resolution pinout image

The DoIt ESP32 DevKit V1 is a development board that features the ESP32 microcontroller from Espressif. It is designed for IoT (Internet of Things) projects and applications.

You can find It here ESP32 Dev Kit v1 - TTGO T-Display 1.14 ESP32 - NodeMCU V3 V2 ESP8266 Lolin32 - NodeMCU ESP-32S - WeMos Lolin32 - WeMos Lolin32 mini - ESP32-CAM programmer - ESP32-CAM bundle - ESP32-WROOM-32 - ESP32-S

The board includes Wi-Fi and Bluetooth capabilities, a variety of input/output interfaces including GPIO, analog inputs, UART, SPI, and I2C. It also has a standard form factor that makes it easy to embed in projects and a USB port for power and programming. The ESP32 DevKit V1 is popular among hobbyists and educators for its ease of use and versatility in various electronic projects.

Specifications

• Processors:
  • CPU: Xtensa dual-core (or single-core) 32-bit LX6 microprocessor, operating at 160 or 240 MHz and performing at up to 600 DMIPS
  • Ultra low power (ULP) co-processor
• Memory: 520 KiB SRAM
• Wireless connectivity:
  • Wi-Fi: 802.11 b/g/n
  • Bluetooth: v4.2 BR/EDR and BLE (shares the radio with Wi-Fi)
• Peripheral interfaces:
  • 12-bit SAR ADC up to 18 channels
  • 2 × 8-bit DACs
  • 10 × touch sensors (capacitive sensing GPIOs)
  • 4 × SPI
  • 2 × I²S interfaces
  • 2 × I²C interfaces
  • 3 × UART
  • SD/SDIO/CE-ATA/MMC/eMMC host controller
  • SDIO/SPI slave controller
  • Ethernet MAC interface with dedicated DMA and IEEE 1588 Precision Time Protocol support
  • CAN bus 2.0
  • Infrared remote controller (TX/RX, up to 8 channels)
  • Motor PWM
  • LED PWM (up to 16 channels)
  • Hall effect sensor
  • Ultra low power analog pre-amplifier
• Security:
  • IEEE 802.11 standard security features all supported, including WFA, WPA/WPA2 and WAPI
  • Secure boot
  • Flash encryption
  • 1024-bit OTP, up to 768-bit for customers
  • Cryptographic hardware acceleration: AES, SHA-2, RSA, elliptic curve cryptography (ECC), random number generator (RNG)
• Power management:
  • Internal low-dropout regulator
  • Individual power domain for RTC
  • 5μA deep sleep current
  • Wake up from GPIO interrupt, timer, ADC measurements, capacitive touch sensor interrupt

Pinout description

The DoIt ESP32 DevKit V1 features a comprehensive pinout that caters to a wide range of functionalities. Here’s a brief overview of its pinout:

1. GPIO Pins: The board provides numerous General Purpose Input/Output (GPIO) pins which can be used for various digital input/output functionalities. These pins also support functionalities like PWM, I2C, SPI, and more.
2. Analog Inputs: Several pins on the ESP32 DevKit V1 are capable of reading analog signals, making them suitable for interfacing with analog sensors.
3. 3.3V and GND Pins: These are used to power external components or sensors.
4. 5V and GND: The board can also provide a 5V output, which is useful for powering external modules that require more power.
5. VIN: This is the input voltage pin, which can be used to power the board when not using the USB connection.
6. EN: This is the enable pin. It’s used to reset the microcontroller.
7. TX/RX: These pins are used for serial communication.
8. SPI Interface: The board has pins for SPI communication, enabling fast data transfer with peripherals like displays or flash memory.
9. I2C Interface: The ESP32 DevKit V1 supports I2C communication, which is widely used for interfacing with sensors and other peripherals.
10. Touch Sensor Pins: Some GPIOs can be used as capacitive touch inputs, offering an interface for touch-based input devices.
11. VP/VN: These are the pins for the internal hall effect sensor.
12. USB-to-UART Bridge: This feature is crucial for programming the ESP32 using a USB cable and also for serial communication with a computer or other USB host devices.

This board’s flexibility with various protocols and interfaces makes it ideal for a wide range of IoT and embedded system applications.

How to

1. ESP32: pinout, specs and Arduino IDE configuration
2. ESP32: integrated SPIFFS Filesystem
3. ESP32: manage multiple Serial and logging
4. ESP32 practical power saving
   1. ESP32 practical power saving: manage WiFi and CPU
   2. ESP32 practical power saving: modem and light sleep
   3. ESP32 practical power saving: deep sleep and hibernation
   4. ESP32 practical power saving: preserve data, timer and touch wake up
   5. ESP32 practical power saving: external and ULP wake up
   6. ESP32 practical power saving: UART and GPIO wake up
5. ESP32: integrated LittleFS FileSystem
6. ESP32: integrated FFat (Fat/exFAT) FileSystem
7. ESP32-wroom-32
   1. ESP32-wroom-32: flash, pinout, specs and IDE configuration
8. ESP32-CAM
   1. ESP32-CAM: pinout, specs and Arduino IDE configuration
   2. ESP32-CAM: upgrade CamerWebServer with flash features
9. ESP32: use ethernet w5500 with plain (HTTP) and SSL (HTTPS)
10. ESP32: use ethernet enc28j60 with plain (HTTP) and SSL (HTTPS)
11. How to use SD card with esp32
12. esp32 and esp8266: FAT filesystem on external SPI flash memory

13. Firmware and OTA update management
    1. Firmware management
       1. ESP32: flash compiled firmware (.bin)
       2. ESP32: flash compiled firmware and filesystem (.bin) with GUI tools
    2. OTA update with Arduino IDE
       1. ESP32 OTA update with Arduino IDE: filesystem, firmware, and password
    3. OTA update with Web Browser
       1. ESP32 OTA update with Web Browser: firmware, filesystem, and authentication
       2. ESP32 OTA update with Web Browser: upload in HTTPS (SSL/TLS) with self-signed certificate
       3. ESP32 OTA update with Web Browser: custom web interface
    4. Self OTA uptate from HTTP server
       1. ESP32 self OTA update firmware from the server
       2. ESP32 self OTA update firmware from the server with version check
       3. ESP32 self-OTA update in HTTPS (SSL/TLS) with trusted self-signed certificate
    5. Non-standard Firmware update
       1. ESP32 firmware and filesystem update from SD card
       2. ESP32 firmware and filesystem update with FTP client

14. Integrating LAN8720 with ESP32 for Ethernet Connectivity with plain (HTTP) and SSL (HTTPS)
15. Connecting the EByte E70 to ESP32 c3/s3 devices and a simple sketch example
16. ESP32-C3: pinout, specs and Arduino IDE configuration
17. Integrating W5500 with ESP32 Using Core 3: Native Ethernet Protocol Support with SSL and Other Features
18. Integrating LAN8720 with ESP32 Using Core 3: Native Ethernet Protocol Support with SSL and Other Features

Datasheet

Schema

ESP32

ESP32-WROOM-32

Wiki

Wiki

Thanks

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