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Espressif

Espressif ESP32-DevKitM-1 Development Board ESP32 DevKitM-1 Board Powerful Dual-Core MCU Development Board Ideal For Rapid Prototyping And Learning - RS6660

Espressif ESP32-DevKitM-1 Development Board ESP32 DevKitM-1 Board Powerful Dual-Core MCU Development Board Ideal For Rapid Prototyping And Learning - RS6660

RS6660

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Description:

ESP32-DevKitM-1 is an ESP32-MINI-1-based development board produced by Espressif. Most I/O pins are broken out on both sides' pin headers for easy interfacing. Users can connect peripherals with jumper wires or mount ESP32-DevKitM-1 on a breadboard.ESP32-MINI-1 is a powerful module with 4 MB Flash and a PCB antenna. 

Specifications:

  • Memory Storage Capacity: 4 MB
  • Batteries Included: No
  • Batteries Required: No
  • Wireless Type: Bluetooth
  • Connector Type: USB

Features:

  • Engineering Sample
  • Embedded with ESP32-MINI-1 module
  • A USB-to-serial programming interface that also provides a power supply for the board
  • Block Diagram: 

    A block diagram below shows the components of ESP32-DevKitM-1 and their interconnections.

Pin Description:

  • On Board Module: ESP32-MINI-1 module or ESP32-MINI-1U module. ESP32-MINI-1 comes with an onboard PCB antenna. ESP32-MINI-1U comes with an external antenna connector. The two modules both have a 4 MB flash in-chip package. For details, please see ESP32-MINI-1 & ESP32-MINI-1U Datasheet.
  • 5 V to 3.3 V LDO: The power regulator converts 5 V to 3.3 V.
  • Boot Button: Download button. Holding down the Boot and then pressing Reset initiates Firmware Download mode for downloading firmware through the serial port.
  • Reset Button: Reset Button
  • Micro-USB Port: USB interface. Power supply for the board as well as the communication interface between a computer and the ESP32 chip.
  • USB-to-UART Bridge: A single USB-UART bridge chip provides transfer rates of up to 3 Mbps.
  • 3.3 V Power On LED: Turns on when the USB is connected to the board. For details, please see the schematics in Related Documents.
  • I/O Connector: All available GPIO pins (except for the SPI bus for flash) are broken out to the pin headers on the board. Users can program the ESP32 chip to enable multiple functions.

NO. Name Type  Function

1

GND

P

Ground

2

3V3

P

3.3 V power supply

3

I36

I

GPIO36, ADC1_CH0, RTC_GPIO0

4

I37

I

GPIO37, ADC1_CH1, RTC_GPIO1

5

I38

I

GPIO38, ADC1_CH2, RTC_GPIO2

6

I39

I

GPIO39, ADC1_CH3, RTC_GPIO3

7

RST

I

Reset; High: enable; Low: powers off

8

I34

I

GPIO34, ADC1_CH6, RTC_GPIO4

9

I35

I

GPIO35, ADC1_CH7, RTC_GPIO5

10

IO32

I/O

GPIO32, XTAL_32K_P (32.768 kHz crystal oscillator input), ADC1_CH4, TOUCH9, RTC_GPIO9

11

IO33

I/O

GPIO33, XTAL_32K_N (32.768 kHz crystal oscillator output), ADC1_CH5, TOUCH8, RTC_GPIO8

12

IO25

I/O

GPIO25, DAC_1, ADC2_CH8, RTC_GPIO6, EMAC_RXD0

13

IO26

I/O

GPIO26, DAC_2, ADC2_CH9, RTC_GPIO7, EMAC_RXD1

14

IO27

I/O

GPIO27, ADC2_CH7, TOUCH7, RTC_GPIO17, EMAC_RX_DV

15

IO14

I/O

GPIO14, ADC2_CH6, TOUCH6, RTC_GPIO16, MTMS, HSPICLK, HS2_CLK, SD_CLK, EMAC_TXD2

16

5V

P

5 V power supply

17

IO12

I/O

GPIO12, ADC2_CH5, TOUCH5, RTC_GPIO15, MTDI 2, HSPIQ, HS2_DATA2, SD_DATA2, EMAC_TXD3

18

IO13

I/O

GPIO13, ADC2_CH4, TOUCH4, RTC_GPIO14, MTCK, HSPID, HS2_DATA3, SD_DATA3, EMAC_RX_ER

19

IO15

I/O

GPIO15, ADC2_CH3, TOUCH3, RTC_GPIO13, MTDO 2, HSPICS0, HS2_CMD, SD_CMD, EMAC_RXD3

20

IO2

I/O

GPIO2 2, ADC2_CH2, TOUCH2, RTC_GPIO12, HSPIWP, HS2_DATA0, SD_DATA0

21

IO0

I/O

GPIO0 2, ADC2_CH1, TOUCH1, RTC_GPIO11, CLK_OUT1, EMAC_TX_CLK

22

IO4

I/O

GPIO4, ADC2_CH0, TOUCH0, RTC_GPIO10, HSPIHD, HS2_DATA1, SD_DATA1, EMAC_TX_ER

23

IO9

I/O

GPIO9, HS1_DATA2, U1RXD, SD_DATA2

24

IO10

I/O

GPIO10, HS1_DATA3, U1TXD, SD_DATA3

25

IO5

I/O

GPIO5 2, HS1_DATA6, VSPICS0, EMAC_RX_CLK

26

IO18

I/O

GPIO18, HS1_DATA7, VSPICLK

27

IO23

I/O

GPIO23, HS1_STROBE, VSPID

28

IO19

I/O

GPIO19, VSPIQ, U0CTS, EMAC_TXD0

29

IO22

I/O

GPIO22, VSPIWP, U0RTS, EMAC_TXD1

30

IO21

I/O

GPIO21, VSPIHD, EMAC_TX_EN

31

TXD0

I/O

GPIO1, U0TXD, CLK_OUT3, EMAC_RXD2

32

RXD0

I/O

GPIO3, U0RXD, CLK_OUT2

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1 x Espressif ESP32-DevKitM-1 Development Board ESP32 DevKitM-1 Board Powerful Dual-Core MCU Development Board Ideal For Rapid Prototyping And Learning

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