Our testing is based on a piece of Arduino code that turns an Arduino Uno’s onboard light on and off. Controlling actual devices may be a little more complicated, but this code offers a baseline for ...

The ELK Junior Arduino Uno case is equipped with a number of excellent features that include a custom moulded section for the LCD JEMshield++ together with a keypad, backlight, beeper, 2 relays ...

I made another alteration to the code that now recorded the highest wind speed since the last reset of the Arduino Uno, and positioned this in the lower right hand side of the LCD as the max wind ...

Posted in Arduino Hacks, classic hacks Tagged arduino, Arduino Uno, controllerless display, controllerless lcd, lcd ← Component Video For The Commodore 64 The Fine Art Of Restoring Matchbox Cars → ...

The end result is that SPI_CLOCK_DIV_16 gives you a 1 MHz SPI bus on either the 16 MHz Uno or the 240 MHz ESP32, which is probably what you want for compatibility with old code.