ESP32 Arduino Examples

Tools

• https://wokwi.com

Table of contents

• Prepare Arduino IDE

ESP32-EVB Board Info (Rev_F)

Pin	Configuration	Remarks	EXT1
GPIO0	XTAL1/CLKIN	Ethernet	1
GPIO1	U0TXD		2
GPIO2	HS2_DATA0	UEXT / SD/MMC Card	3
GPIO3	U0RXD		4
GPIO4	U1TXD	UEXT	5
GPIO5	CAN-TX	CAN Driver	6
GPIO6	SD_CLK		7
GPIO7	SD_DATA0		8
GPIO8	SD_DATA1		9
GPIO9	SD_DATA2		10
GPIO10	SD_DATA3		11
GPIO11	SD_CMD		12
GPIO12	IR_Transmit	Infrared Communication	13
GPIO13	I2C-SDA	UEXT	14
GPIO14	HS2_CLK	UEXT / SD/MMC Card	15
GPIO15	HS2_CMD	UEXT / SD/MMC Card	16
GPIO16	I2C-SCL	UEXT	17
GPIO17	SPI_CS	UEXT	18
GPIO18	MDIO(RMII)	Ethernet	19
GPIO19	EMAC_TXD0(RMII)	Ethernet	20
GPIO20
GPIO21	EMAC_TX_EN(RMII)	Ethernet	21
GPIO22	EMAC_TXD1(RMII)	Ethernet	22
GPIO23	MDC(RMII)	Ethernet	23
GPIO24
GPIO25	MAC_RXD0(RMII)	Ethernet	24
GPIO26	MAC_RXD1(RMII)	Ethernet	25
GPIO27	EMAC_RX_CRS_DV	Ethernet	26
GPIO28
GPIO29
GPIO30
GPIO31
GPIO32	REL1	Relays	27
GPIO33	REL2	Relays	28
GPI34	BUT1	Button	29
GPI35	CAN-RX	CAN Driver	30
GPI36	U1RXD	UEXT	31
GPIO37
GPIO38
GPI39	IR_RECEIVE	Infrared Communication	32