Quantity   Component name
1 × STM32L431CBT6 IC MCU 32BIT 128KB FLASH 48LQFP
1 × TPS613221A 6.5-μA Quiescent current, 1.8-A switch current boost converter
1 × SGP41-D-R4 SENSOR AIR QUALITY I2C OUTPUT
1 × SHT45-AD1B-R3 SENSOR HUMID/TEMP HIGH ACCURACY
1 × BMP390 Pressure Sensor
1 × Good Display E-Paper Panel GDEY0213B74