2021 Simple Wireless Measurement Device This is a wireless measurement device designed to measure the life of low-power circuits in IoT systems. It pairs with a companion device that allows accurate time-series measurement of power performance.
EFM8 Silicon Labs EFM8 'Bee' Series Life after Arduino. A review of a serious contender for the 'simple project' microcontroller.
Silicon Labs EFM8 Laser Bee from Silicon Labs An 8-bit offering from Silicon Labs with an impressive amount of documentation and support to get you up and running fast.