So I wasn`t really in the mood of making and coding the timing controller for the PCB laser printer. And I remembered I had this laser tag gun that I took out of optical alignment the last time I took it apart. I figured it wouldn`t be a bad idea to take it apart to do some mods and to fix the alignment again: This is a Nerf (previously Tiger) `La
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zer Tag" Phoenix LTX tagger. There`s a lot of talk and background on this guy online, so if you`re really interested Google further. This is indeed marketed a toy laser tag gun, but as it turns out, its performance far exceeds most toy laser tag guns. In real-world testing, the range limit of the gun seems to be on the order of 400 feet or so, and it`s pretty trivial to make hits at half that distance (with good aim, of course). So first, a little background on how these guys work: despite their name, most of these taggers don`t use lasers for the actual hit transmission. Instead, they use IR LEDs, much like your infrared TV remotes. In fact, the whole system is essentially a well-mounted TV remote and receiver with optics to keep the beam narrow. So when you`re playing, you actually do need to use the iron sights to really hit anyone reasonably in the game-the aim is fairly realistic. Of course, it`s not perfect, and that`s why I`m making a post about it. The IR receiver is mounted on a little dome on the gun and not on the player`s body. This makes it easy to cheat and cover the dome, and makes the experience a lot less realistic-you`re guarding your gun, not your body. So I figured I`d re-investigate the IR receiver and see if it was reasonable to wire up external sensors. The last time I took the gun apart, I remember there being a couple of issues involving the IR receiver circuit they used and the fact that you...
This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of....
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is....
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to....
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This....
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the....
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,....
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the....
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power....
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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