Schematics Parts and datasheets 1x Microcontroller STM32L476RET 1x LCD display LS027B7DH01 1x Step-up 5V DC converter TPS61222TCK 45x Tactile switch Panasonic EVQQ2B01W 1x Molex connector (0.5mm pitch, 10 contacts) for LCD, such as Hirose FH28-10S-0.5SH(11)