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Adjustable blinking LED circuit for RC aircraft | Navigation lights

This is a very simple but useful project, strobe navigation lights for rc airplanes, or you can adjust the flashing time and make it a warning light for a forklift or even a turn signal light for a ...

How animals have been used for espionage from Hvaldimir the roving Russian whale to American 'bat bombs' and a 'spy squirrel' unit caught behind enemy lines

The first time animals are believed to have been used was after German pharmacist Julius Neubronner developed the pigeon ...
IEEE

Compact and High-Linearity Analog Optical Transmitter for Radio Over Fiber Based on Embedded Predistortion Circuits

Abstract: We propose a PDC-embedded analog optical transmitter for RoF, known for its compactness, broadband capability, and high linearity. For a 300MHz bandwidth 64QAM-OFDM signal transmitted over ...
IEEE

Designing Low-Cost, Low-Power Circuits to Support Real-Time, Remote Distributed Environmental Sensing Using GSM Networks

Abstract: Internet of Things enables real time monitoring of environmental data. There is an opportunity to collect data in remote areas where real time data was previously unavailable. Ideally we ...