Have you tried diy laser pointer?
The production and design of self-made high-power laser pointers Preface Owning a laser gun that pulls the wind is believed to be the childhood dream of many children. This is also the reason for the popularity of Laser pointer that year. However, the power of a toy laser pointer does not exceed 5mW, which obviously cannot satisfy most people's hidden desire for destruction, but high-power (output power above 150mW) laser transmitters are very expensive and difficult to buy, so our dream for many years Is it destined to be shattered? No, as long as you follow the method provided by MCG and spend a small amount of time and money, you can make a high-power laser pointer yourself. Unscrew the lamp cover of the flashlight, remove the bulb from the flashlight, and replace the head of the laser module just removed. If the lens of the lamp cap of the flashlight is plastic, it must also be removed to avoid being melted by the high-power laser.
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The first step is of course to remove the optical drive. Turn the optical drive upside down, and use a Phillips screwdriver to unscrew the four corner fixing screws. After removing the bottom cover, you can see two integrated circuit boards, one large and one small. Then pry the buckles on both sides of the large circuit board, unplug the various cables on the front and back of the circuit board, you can lift it up. The so-called bald head is located under the lower circuit board and between the two metal sliding rods. At both ends of the sliding rod, you can find the fixed screws. You only need to unscrew a screw at the lower end of the left sliding rod. The slide bar is removed from the optical drive together with the bald head. Now take out the laser module you bought before, separate its head and rear part, remove the lens and spring of the laser module head, replace the original diode with the laser diode you just removed, pay attention to the positive and negative poles of the laser diode Correspond to the positive and negative poles of the socket. After fixing the diode, install the lens and spring back to the head of the laser module as they are.
2021-09-22 12:18:03
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