Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and ...

This is the ESP8266, a WiFi SoC (System on a Chip) that can connect to 802.11b/g/n networks on the 2.4GHz band. It can be addressed with SPI or a serial ... straight into an Arduino or similar.

With the prevalence of libraries, it has never been easier to communicate with hundreds of different sensors, displays, and submodules. But what is really happening when you type SPI.begin() into ...

To learn more about the Arducam Mega SPI camera project review ... Fully compatible with 3.3 and 5V systems. Arduino, Raspberry Pi Pico, STM8/STM32, ESP8266/ESP32, MSP430, MicroChip, micro ...