Small autonomous robot actuator (sara): A solar-powered wireless mems gripper

A Moreno, A Patel, D Teal, HC Gomez… - … on Robotics and …, 2021 - ieeexplore.ieee.org
Solar-powered actuation of a 15 mN electrostatic MEMS gripper was demonstrated while
wirelessly triggered by IEEE 802.15. 4 RF signals. The solar-powered gripper was shown to …

Frequency Compensated Crystal-Free 802.15. 4 Wireless Radio

A Moreno, K Pister - 2022 IEEE Sensors, 2022 - ieeexplore.ieee.org
Crystal-Free radios are susceptible to frequency drifts due to temperature and voltage.
Compensation for the frequency drift in the 2.4 GHz local oscillator due to voltage variation …