If not included home electronics, do not rush to carry the unit into the workshop — first is to test the functionality of the remote control (RCU). This can be done following simple way.
You need to take a modern digital camera (with plastic lenses) or a mobile phone with photofunia: the matrix is sensitive to the infrared radiation emitted by the led panel. Just take a picture of it at the moment of pressing any button of the remote control: if it is working, the picture is clearly visible, infrared, impulse.
Recommend to read
SITO-IMPROMPTU
Improvised sieve for sifting flour products or powdered material, straining liquids and mixtures are easy to make in minutes from flat banks (e. g., herring) and of nylon stocking or...
A simple voltmeter
measuring constant voltage value of 100 V. It is produced by the bridge circuit for the transistors T1 and T2. In one diagonal bridge included a measuring device in the other power...
