Best option is to wire the SPI modules to default SPI pins of your ESP32 module or development board. The default pins are specified in pins_arduino.h for the ESP32 variant in variants folder of the ...

Repository files navigation Web Remote control of LED This program webRemote_led_ctrl.ino illustates to control a LED from internet. The Led is connected to the Arduino board with pin 9 and the board ...

[Andy] needed a cheap Internet connection between a data-gathering Arduino and his home server. An Ethernet shield would suffice, but he couldn’t run CAT5 to the Arduino’s location. Wir… ...

We’ve said it time and again, the Arduino is a prototyping platform. In that spirit, [Doug Jackson] shows you how to conserve the expensive Arduino board and Ethernet shield by building your … ...