The pins used as SPI in the ESP8266 are: GPIO12: MISO GPIO13: MOSI GPIO14: SCLK GPIO15: CS PWM Pins ESP8266 allows software PWM in all I/O pins: GPIO0 to GPIO15. PWM signals on ESP8266 have 10-bit resolution. Learn how to use ESP8266 PWM pins: ESP8266 PWM with Arduino IDE ...
ServoI2C: Control servo motors via I2C just like the plain ArduinoServo library. PinI2C: Control the digital and analog in- and output pins of the target device via I2C, similar to an IO-expander. Works just like the plain Arduino pinMode(), digitalRead(), etc. commands. ...
One of the pins on STM8s is called VCAP, and it’s attached to the internal voltage regulator. The CPU runs on this voltage rail, not the actual voltage that is provided to the IC’s power pins. The pin is intended to be connected to a decoupling capacitor, and that provides an per...