int32_t i = (x * NEOPIXEL_HEIGHT) + y; // vertical strip start from left top // int32_t i = (x * NEOPIXEL_HEIGHT) + ((x % 2) ? y : (NEOPIXEL_HEIGHT - y - 1 ...
These days, a lot of embedded projects feature some sort of screen, and a screen often creates a desire for a nice user interface. [Geoffrey Wells] has created a tool for developing web interfaces ...
The SparkFun MCP4725 Arduino Library provides full control over Microchip's MCP4725, a 12-bit single-channel I2C digital-to-analog converter (DAC). The MCP4725 is compatible with SparkFun's Qwiic ...