Writing only Arduino code, it is easy to set up control over experiments and display results on your PC's panel application.

An open-source, Arduino-compatible RF signal generator with Wi-Fi connectivity.

Embedis is a library for creating simple embedded key-value servers using non-volatile storage like NVSRAM, FRAM, FLASH, or EEPROM.

A humanoid arm + hand prototype made of balsa wood

LOccam is a light implementation of OCCAM intended for Arduino. It is ideally suited for multitasking, especially for beginners.

Proof of concept aimed to "unlock" an RTC, an EEPROM and a few other things.