Remote control

Summary

In electronics, a remote control (also known as a remote or clicker) is an electronic device used to operate another device from a distance, usually wirelessly. In consumer electronics, a remote control can be used to operate devices such as a television set, DVD player or other home appliance. A remote control can allow operation of devices that are out of convenient reach for direct operation of controls. They function best when used from a short distance. This is primarily a convenience feature for the user. In some cases, remote controls allow a person to operate a device that they otherwise would not be able to reach, as when a garage door opener is triggered from outside. Early television remote controls (1956–1977) used ultrasonic tones. Present-day remote controls are commonly consumer infrared devices which send digitally-coded pulses of infrared radiation. They control functions such as power, volume, channels, playback, track change, heat, fan speed, and various other

Official source

https://en.wikipedia.org/wiki/Remote_control

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Cellulo, as tabletop tangible robots, are a great tool for interactive learning and upper limb rehabilita-tion. For the moment, the main way of interaction is to take them in hand and move them in the plane.Thus, due to the laws of physics, the different gestures induced are mainly constrained to be in 2D andthe workspace is bounded by the length of the arm. More precisely, for upper limb rehabilitation, itlimits the solicitation of certain arm joints, for instance the shoulder absduction/adduction. In orderto overcome these limitations, the idea was to use two wristbands with sensors to consider the armsof the user as a remote control. For the rehabilitation part, this would allow the patient to train thejoints of his arm with greater amplitude. But more generally, this new mean of interaction with theCellulo allows more possibility in the creation of activities.This semester project studied two different aspects: pointing direction and gesture recognition. Thefirst could be used by the game Master to change the behavior of some robots in order to adapt to thesituation. And the second could be destined to control a swarm of robots. The governing principle ofthis semester project was to implement systems as light and easy to use as possible.

2019

Embedded ultra-low power driver for a 7.2g helicopter and IrDA remote control

Patrick Clerc

In a previous project, a 7.2g helicopter made of carbon was designed and realized at the LAI. The goal of this project is to design and realize a tiny receiver and a remote capable of driving the helicopter from a distance of 2 to 4 meters. Challenges are here to make the receiver small and light enough to be embedded in the helicopter without disturbing the flight. Ultra-low consumption is also required. Both emitter and receiver will have to be designed and mounted by the student. The microcontroller is to be chosen in the MSP430F21x2 family. Well-known for their low-power consumption, they also possess an IrDA serial communication interface which will be used for a bi-directional communication between the helicopter and the remote. The remote will have to control 3 channels (lift, yaw and eventually pitch) and display the battery level of the helicopter.

2011

An automatic correcting system was designed to be able to correct the programming exercises during a Massive Open Online Course (MOOC) about Microcontrollers, followed by thousands of students. Build around the MSP430G Launchpad, it has corrected more then 30'000 submissions in 7 weeks. This document provides general information about the system, the results obtained during a MOOC on the Coursera.org plateform, extensions done to remote experiences and future projects.

2014