This Long range Infrared transmitter can emit pulsed IR rays up to 10 meters ... By changing R2 with a 4.7K preset, output frequency can be changed. Red LED indicates whether the IR LED is working or ...

An infrared transmitter can therefore now be integrated in extra-thin smartphones or tablet computers. For the first time, Osram Opto Semiconductors has succeeded in sinking a surface-mountable ...

[Jkx] was using a Thomson VS360U video transmitter ... IR module that comes with the device is under-powered and set out to fix the situation. Using a scope he found the pin that drives the IR LED.