https://www.silabs.com/development-tools/mcu/32-bit/efm32wg-starter-kit
EFM32WG-STK3800 EFM32 Wonder Gecko Starter Kit - Silicon Labs
The EFM32WG-STK3800 is an excellent starting point to get familiar with the EFM32WG 32-bit microcontrollers. The starter kit contains sensors and peripherals...
wonder geckostarter kitefm32siliconlabs
https://www.cnx-software.com/2013/05/13/energy-micro-launches-efm32-wonder-gecko-cortex-m4-mcus-and-starter-kit/
Energy Micro Launches EFM32 Wonder Gecko Cortex M4 MCUs and Starter Kit - CNX Software
May 13, 2013 - After having announced EFM32 Wonder Gecko MCU family in February, Energy Micro has just officially launched their new family of high performance, low