Silicon Labs PG23 32-bit Microcontroller Pro Kit is an excellent starting point to become familiar with the EFM32PG23™ Gecko Microcontroller. The pro kit contains sensors and peripherals to demonstrate some of the EFM32PG23’s many capabilities. The Silicon Labs PG23 32-bit Microcontroller Pro Kit provides all the necessary tools for developing an EFM32PG23 Gecko application.