Sammy ATSAM/SmartARM and Crumb AVR/ATmega/Xmega microcontroller modules / boards with small form factor and various peripherals and interfaces like RS232, RS485, CAN bus, USB UART converter, USB controller, etc. on 2.54mm pin headers.
Solid-state electric dehuimidifiers by Rosahl are compact and maintenance-free air dehumidifying solutions for protecting sensitive devices from moisture damage. Furthermore they are suitable for drying and dry storage of 3D print filament spools.
High Performance ANSI C Compiler with integrated development environment (IDE) as well as automatic program generation and in-system programming for the Atmel AVR microcontroller familiy.