Laser Head Diode Dot Module WL Red Mini 650nm 6mm 3V 5mW 10PCS

In order to see how far away from 0 a 360 line moves, I had to mark a line on a rotating plate every 360 degrees. The speed of the mark increases as the scale moves up. There was too much scatter with strobe lights and regular LED lights. As far as accuracy is concerned, these diodes are adequate for my use, but may not be perfect for someone else to use for an application. I have not tested the Diodes yet in the actual circuit to see how well they are working. Then I bench tested them to see if they work. I found no voltage drop figures, so I assumed that these 5 volt laser diodes dropped about 2 volts. A 5 to 2 ratio would be appropriate. There are 8 volts in the battery. The resistor should be connected to a five volt source at 20 megaamps (max, as the manufacturer suggests). I have a vin number of 0 There is a drop of 5V. A resistor at 20 Ma 5 volts will have a resistance of 110 ohms if it is 02Ma. The current limit of 7805 regulator was set to 20 Ma so I could conduct safety testing with it. This laser diode appears to be OK so far. Setting it right at 20 mil does not seem to greatly affect the longevity of the diode. It would make sense to think that the manufacturer would provide. This could result in a voltage drop on the device. Overall, I think these Diodes will be good for what I intend to use them for for the price I pay. Again, this is not a super accurate pin point beam for someone who needs it.

Catalina Skinner

| Jan 30, 2021

With a 5V supply, you can make a bright, red dot laser similar to the laser pointers so common today. Despite its size, the area is not too big for non-swimmers There is a need for critical uses and can be used as low as 1 foot or as high as At indoor locations, the spot is visible all day long. At outdoor locations, the spot can be seen very close up, but at a distance it depends on the lighting, colors, and surface finish around the original My focus could be adjusted by twisting the front ring, but I didn't because the two lasers I needed had a small enough spot at 60 inches for my purposes. Stranded wires are about 28 gauge, so it will be difficult to strip them without the right The strands are not stiff or brittle and can flex a little after a couple of cycles as they are stranded. As a safety measure, what I do is wrap the solder splices in heat shrink tubing to make them Because the laser module wires are only 28 gauge, I made sure there was no load on them.

Joyce Hughes

| Apr 11, 2021

Making a pottery throwing tool with a laser is an affordable alternative. The height and width of the pot's rim are defined by two lasers when the pot is thrown. A single laser can be used to center a foot on a wheel for trimming a pot's bottom. By defining the width of the lid with the laser, the rim width is also easy to define. In laser production, the dot was large and fuzzy on the edges. With the help of masking tape, I made a pinhole iris that reduces the size of the dot and sharpens the It can be used for a number of special applications in which a point or line needs to be.

Jayceon Walls

| Jun 02, 2021

Almost half started emitting a dull red light after a while (basically useless, no beam, just red light). Although they're still quite cheap, the "regulation" is actually just a resistor (91 ohms on the ones I received), which can cause failure (variations in temperature and device characteristics can cause current to exceed safe levels I don't know if they're worth it, though. Secondly, I would like to mention the following There is a plastic lens inside each housing, and you should take caution when using the heat gun to solder or heat shrink (losing the lens could be disastrous).

Salem Vaughan

| Jan 05, 2021

The remaining 7 were bright compared to the three that were very dim. My choice was to leave each of the 7 brightest connected to an AA battery. Four out of seven of the lights went out after about 10 minutes. Those remaining 3 burned for about 2 hours before eventually going out. The product will be returned and I will try to find some that aren't.

Alessandra Everett

| Sep 26, 2020

Despite their delicate nature (small wire/solder joint), these lasers are bright and work great for laser trip wires or any small laser project you might need. Plus, the small recess around the middle makes it easier to place a rubber O ring in the centre. Definitely worth it both in terms of time and price.

Aubrey Reynolds

| Jun 24, 2021

I was surprised by how strong these little lasers are. In addition to working well with 3D, they also work well with 2. Using three voltages, a 68 ohm resistor at 5V, they were very bright and did not get too hot, and with three voltages, they were very bright and did not get too hot. Taking the 3V to a 20 ohm made them just as bright as before. However, the wires are very small, so you'll have to strip them and crimp them.

Harley Payne

| Aug 02, 2021

The package didn't look like much, but I was pleasantly surprised. In the past, my son has built several laser pointers and projects without any trouble. It was expected that some of the diodes would dim with time. Replacing an old item with a new one. This is a great deal for the price. I highly recommend it!.

Ella Conrad

| Dec 31, 2020