Category Archives: Microcontrollers

ESP8266: Controlling a motor with the ULN2803A

The objective of this post is to explain how to control a motor, including its speed, using an ESP8266 and an ULN2803A integrated circuit. Advertisements

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ESP8266: Using the PWM technique

The objective of this post is to explain how to use the Pulse Width Modulation (PWM) technique with the ESP8266 and the main differences of the implementation comparing with the Arduino.

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ESP8266: Controlling chained SN74HC595 ICs

The objective of this post is to illustrate how to chain two SN74HC595 ICs and controlling them, using SPI, with the ESP8266.

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ESP8266: Connection to SN74HC595 via SPI

The objective of this post is to explain how to transfer data between the ESP8266 and the SN74HC595 using the SPI interface.

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ESP8266: Connection to SN74HC595

The objective of this post is to explain how to connect the SN74HC595 8-bit shift register to an ESP8266 to control some LEDs.

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ESP8266: Encoding JSON messages

The objective of this post is to explain how to encode a JSON message using the ArduinoJson library.

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ESP8266: Parsing JSON Arrays

The objective of this post is to explain how to parse simple JSON Arrays on the ESP8266, using the ArduinoJson library.

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