Serial Monitor With ILI9341 and BluePill Using Atmega
Serial (ascii) monitor with 9 lines of 28 char. Baudrate from 2400 up to 256000 baud. Digital 3.3V or 5V input. Powered by a single Lithium-Ion battery. (3.7V nominal) Supplies: ILI9341 display (here a parallel version is used) BluePill (or other board with a STM32F103C8) 74HC14 (hex invering schmitt trigger) 3.3V low dropout voltage regulator …
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