I assume you are talking about RGB flexible strips as you mention gluing. (Most strips come with a self-adhesive backing). These RGB strips are around 75% efficient and barely generate any heat, so no problems with little fingers. White LED strips do run significantly warmer but are still safe.
LED bulbs do get hot but the heat is dissipated by metal heat sinks that wick away the heat from the light source itself. Keeping them cool with heat sinks or even liquid cooling, as Switch
Yes,LED Strip lights overheat in numerous cases. Not a single factor contributes to this fact. For example, low-quality LEDs can cause excessive heat production, and in turn, overheating. Similar cases include voltage spikes in the circuit and 100 percent load on the power supply.
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do led strips produce heat