The dismantling of the LED infrared human body induction lamp is much more, but it is the "king of the king" to be able to make the transformation according to its own needs on the basis of its original. This article introduces a technology big cow to disassemble the LED infrared body induction lamp at home, and then transform it, and dragged a 3W Philips LED, which can be said to be "one arrow and three sculptures", making it more practical. The need for life, this is the real best use.
First, dismantling articles
Front view: There is a transparent cover on it, it is broken, thrown~
Open the top cover: 6 bright LEDs on the front, a low voltage indicator light, a boost inductor, and three aluminum electrolytic capacitors.
The back of the board is illuminated:
The SOT-32 package is S8050 (J3Y), which is responsible for driving six high-brightness LEDs and connecting a 0805 package 3R3 resistor in series for current limiting. The largest SOP-16 package is the core part of the board, the infrared pyroelectric processing chip BISS0001.
The SOT-89 is packaged as an AP8805. It is a DC/DC boost IC, which is divided into 3.0V, 3.3V, and 5.0V models. This model is 3.3V, which boosts the voltage of two series NiMH batteries to 3.3V.
With the advancement of technology, LED technology has been applied to projectors. There are many good domestic LED projector manufacturers in the market. For example, Shenzhen Resources has perfectly combined this technology with DLP technology to make it portable and compact. Because of its low power consumption and heat generation, it is more widely used in life and in personal business. The same goes for LED hotel projectors.
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