i2c

NodeMCU / OLED i2C

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Testovací demo pro displej OLED   Zdroj: http://arduino-er.blogspot.cz/2016/04/nodemcu-esp8266-to-display-on-128×64.html   /********************************************************************* This is an example for our Monochrome OLEDs based on SSD1306 drivers Pick one up today in the adafruit shop! ——> http://www.adafruit.com/category/63_98 This example is for a 128×64 size display using I2C to communicate 3 pins are required to interface (2 I2C and one reset) … Číst dál

NodeMCU / I2C scanner

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i2c Scanner pro NODEMCU Zdroj: http://www.instructables.com/id/ESP8266-I2C-PORT-and-Address-Scanner/ /* * i2c_port_address_scanner * Scans ports D0 to D7 on an ESP8266 and searches for I2C device. based on the original code * available on Arduino.cc and later improved by user Krodal and Nick Gammon (www.gammon.com.au/forum/?id=10896) * D8 throws exceptions thus it has been left out * */ #include … Číst dál