The default Arduino IDE upload speed is too high for this board and causes flashing failures. Reads the Li-Po battery voltage through the onboard resistor divider. The enable pin (GPIO21) must be ...

/*To use the built-in examples and demos of LVGL uncomment the includes below respectively. *You also need to copy `lvgl/examples` to `lvgl/src/examples`. Similarly ...

Thomas J Catalano is a CFP and Registered Investment Adviser with the state of South Carolina, where he launched his own financial advisory firm in 2018. Thomas' experience gives him expertise in a ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

In his decades-long career in tech journalism, Dennis has written about nearly every type of hardware and software. He was a founding editor of Ziff Davis’ Computer Select in the 1990s, senior ...