Firmware Olimex ESP32 EVB with OTA

Included features

File systems	FAT, RAMFS, SPIFFS.
Lua modules	adc, bt, can, cjson, cpu, encoder, event, fs, gdisplay, i2c, mqtt, neopixel, net, nvs, pack, pio, pwm, sensor, servo, socket, spi, stepper, thread, tmr, uart, ulp.
Networking	RMII Ethernet, WiFi.
Network services	CAN gateway, Captive DNS, HTTP server, OTA updates, SNTP.
Sensors	10K Thermistor, 2P toggle switch, 2Y0A21, 3P toggle switch, 4x4 key matrix, A49E, Analog joystick, BDE0600G, BH1620FVC, BH1721FVC, BME280, DHT11, DHT22, DHT23, DS1820, GPS, GUVA S12SD, Hall flow sensor, Hall internal, Hall switch, LDR, LM35, Linear potentiometer, ML8511, PING28015, PIR AM412, Push switch, Relative rotary encoder, SDS011, TMP36, Tilt switch, US015.

Hardware mapping

CAN	Signal	GPIO
0	RX TX	GPIO35 GPIO5

I2C	Signal	GPIO
0	SCL SDA	GPIO16 GPIO13
1	SCL SDA	GPIO32 GPIO33

SPI	Signal	GPIO
2	MISO MOSI CLK	GPIO15 GPIO2 GPIO14
3	MISO MOSI CLK	GPIO19 GPIO23 GPIO18

UART	Signal	GPIO
0	RX TX	GPIO3 GPIO1
1	RX TX	GPIO36 GPIO4
2	RX TX	GPIO16 GPIO17

SD/MMC	Signal	GPIO
0	CMD CLK DAT0 CD WP	GPIO15 GPIO14 GPIO2 Not used Not used

RMII	Signal	GPIO
0	TXD0 TXD1 TX_EN RXD0 RXD1 CLK MDC MDIO POWER	GPIO19 GPIO22 GPIO21 GPIO25 GPIO26 GPIO0 GPIO23 GPIO18 Not used

SPI displays on SPI3, touch panel on SPI3

Display signal	GPIO
MISO MOSI CLK CS RST CMD BCKL*	GPIO19 GPIO23 GPIO18 GPIO15 GPIO26 GPIO2 Not used

* back light

Touch panel signal	GPIO
MISO MOSI CLK CS	GPIO19 GPIO23 GPIO18 GPIO21

I2C displays on I2C0

Signal	GPIO
SCL SDA	GPIO16 GPIO13