Diolan designs and manufactures PC-I2C/SPI/GPIO interface adapters, evaluation boards, and computer-on-modules. The companys hardware is designed to assist in product development, including automation and testing processes. Diolan adapters serve a variety of industries, including the medical, automotive, and industrial sectors. The companys first adapter was the U2C-12 interface adapter, which has been implemented by Diolans customers into both the development process and the final products. The company later released its API-based, open-source DLN adapters. Diolan partners with Arrow Electronics to produce development boards for ARM-based microcontrollers.