Best raspberry pi laser pointer Th e ad vantag e of Jul 7, 2023 · In this video I build a handy dandy laser tripwire powered by a Raspberry Pi. To capture the image, a Web-Camera Mar 3, 2012 · Re: Raspbian won't boot, only blinks cursor in top left corn Tue Mar 15, 2016 3:11 pm I am using a 5V, 2A power supply direct to the main, so I don't believe that is the issue. Sign in Product Actions. ) Assembling of the 3d printer parts, motor drivers, and raspberry pi. Languages. If the beam is broken the buzzer should come on. One motor controls azimuth, and the other elevation. GND (-): Ground You can connect this directly without risking any damage to your microcomputer. Oct 23, 2022 · So I just bought a laser presentation pointer for my seminar next week and I was surprised that we are supposed to be doing the presentation on an LED screen and not an ordinary projector screen. By the end of this instructable your will construct the raspberry pi laser tripwire system with email alert functionality that is shown in the video. The trick to getting good profiling is to prevent Feb 12, 2016 · A great educational tutorial on making your own laser tripwire with Raspberry Pi. I just wish the case was designed for the Pi 5 and not just reusing Pi 4 cases. My next idea is by using a "laser-touch-screen". remember we can't see your pi so have no idea what's running on it. Here’s just a few: scare the cat off the kitchen counter, scare a cat (but not birds) out of my garden, allow a specific cat through a chip-detecting dog door (the dog door is too tall to read These are 50 of the best Raspberry Pi projects that are fun to build. Wed Mar 06, 2019 7:30 pm . Also, we’ll use the GRBL, but in a different way, as it’ll be with the Raspberry Pi 3. Each time someone breaks the laser beam, the Raspberry Pi will use a buzzer or a speaker to Aug 17, 2016 · I am looking at the possibility of creating a Virtual Target Shooting Range. Feb 28, 2022 · 3D scanner build from a raspberry pi zero with camera, two line laser pointers and a rotating plattform - IljaRukin/3D_line_laser_scanner. r/raspberry_pi A chip A close button Feb 18, 2015 · Request PDF | Raspberry Pi based laser spot detection | This paper presents an application of the Raspberry Pi for detecting laser spot using the OpenCV library. https://en. Troubleshooting. Jan 8, 2015 · ZZRKcUM_PO to send audio signal by laser pointer to a series of solar cell (every solar cell send a signal to RPI that is interpreted and execute). 95-wires-Breadboard. Dec 31, 2022 · I'm basically trying to use a generic laser pointer with a USB camera to work out distance using triangulation. News; Investor relations; Contact us; Trademark; About us; Our Approved Nov 20, 2021 · Planning to make laser tag likes devices that can detect laser from a laser pointer using rpi. Apr 5, 2011 · Raspberry Pi | An ARM Linux box for $25 I'm so glad they actually seem to be moving along to production. The other microbit will be powered by battery and will be used to control motion of the laser pointer using the onboard accelerometer. It has an HDMI out as well as composite video as well as a headphone jack which im sure you could use a headphone to composite for audio out, as well as 2 usb ports, as well as rj-45 for internet, and is powered off Sep 16, 2014 · Skip to main content. The servos and laser draw a good amount of current, so we need to make sure the power supply is capable of supporting it. This project is a combination of a Oct 29, 2012 · Using the Raspberry Pi. Sure, the original plans were more ambitious but that w Jun 4, 2024 · The 3 Axis Laser Pointer Raspberry Pi has gained popularity among hobbyists, DIY enthusiasts, and professionals in various industries. He’s then programmed the Raspberry Pi to receive messages from Google Jun 4, 2024 · The combination of the 3 Axis Laser Pointer and Raspberry Pi has revolutionized the world of laser technology. Readme Activity. Thu Jan 14, 2016 10:01 pm . It has opened up endless possibilities in fields such as robotics, Sep 20, 2015 · Since Raspberry Pi doesn’t comes with an Analog-to-digital converter (ADC) like Arduino, connecting a LDR to its GPIOs pins is a little tricky (when you don’t have an Gertboard). 9 Top Mar 3, 2018 · Not nearly as narrow a a laser pointer, so it should have enough beam spread st a few meters to make alignment less critical. Its versatility and precision make it an invaluable tool for a wide range of applications. Wire up the Raspberry Pi and components as shown in the diagram above. There are lots of options, but [Nick] used a LASER and a photoresistor, along with Morse code. Automate any workflow Packages. So the mouse tracks correctly, but the cursor is still inverted. No packages published . This is the web interface for Jasper and Ruben’s wheel. Apr 26, 2018 · We built the Raspberry Pi Cat Laser Pointer Toy in the previous post, and it looks beautiful. Jul 22, 2016 · Remember that laser light, even at low power, is dangerous if you look directly at it. Oct 9, 2012 · Using the Raspberry Pi. Aug 19, 2012 · So I finally got some more time to play with my Raspberry Pi GPIOs and Arduino, this post will explain how to use a LDR (Photoresistor, Light Dependent Resistor) on the May 15, 2017 · This laser tripwire project is a great introduction to digital making with a Raspberry Pi and breadboard circuit. Over the past month, I've been building an automated laser pointer that operates off of my Raspberry Pi 4. 5 and is powered by an 9 v lithium ion battery, the Laser Pointer can be used to create virtual mouse-like cursor features on your gaming or multimedia sources. Apr 25, 2012 · Hi guys, let me share with you my Laser Range Finder project. Moving the upside down pointer to the bottom right of the screen I can see the menu button highlighting at the top left. Jun 17, 2014 · Hi, I currently have a battery operated laser pointer and I was wondering if I could somehow connect it to the Raspberry Pi and utilize the Pi as a controller for the laser. The cats had one condition though, that it be a shark with a frikin’ laser beam attached to its heads (sound warning!). wikipedia. January 13, 2020. Re: Laser communication system. Unfortunately, I do not have the option of hooking the laser up to the 5V pin on my RPi, and I need to be able to control it, so the GPIO's are my only options. com/assets/e9/06/7e/35/92/Schematic. This is a quick and fun tutorial on how to create an inexpensive laser pointer cat toy using DIY parts either found around the maker space or bought for other projects. You can alter the triggering ldr value in the code. Sep 12, 2020 · I am powering a 5V, 5mW laser that draws ~30mA (KY-008) with a GPIO on my Raspberry Pi 4. Tucker Shannon has taken a Raspberry Pi Zero and two stepper motor driver boards and then mounted a 5mw, This project aims at doing an object tracker based on a Raspberry Pi, Raspberry Pi camera, two servos motors and a laser pointer. strong contrast between the laser and surface ) . . 0 to OUT mode and light it using gpio write, and it does not work. Since the Raspberry Pi is small in size, the module could be mounted on the gun for laser shooting. I was worried it would take forever. Re: RaspberryPI for kill mosquito with laser - If someone is looking for which project to start, lets try. Build a Raspberry Pi laser scanner . My project is to tell you your running speed. Make sure you have a cable to power the Pico W. 1 star Watchers. You can buy A Raspberry Pi laser tripwire. In th e best wa y using - tr acker = cv2. 3v you should be OK. Some specs may not list how much current your laser takes at 3. I want to make sure I am getting the right parts. Together, they form the best desktop environment Feb 27, 2022 · Over the past month, I've been building an automated laser pointer that operates off of my Raspberry Pi 4. Stars. It seams pretty cool. May 11, 2018 · Inspired by this cat tower, I decided to build an automatic cat laser pointer toy using my Raspberry Pi. It's my 3rd raspberry pi project, after my massage robot and chicken nugget gun comments sorted by Best Top New Controversial Q&A Add a Comment Mar 3, 2021 · 1. please when posting code use code tags Add [code] at the top code goes here and [/code] at the bottom. I think the Pi max per pin is 16ma as you noted above, so if your laser is below that at 3. -Laser pointer $ 9. Compared to the existing laser shooting, our method Feb 27, 2022 · Posted by u/dlo_xyz - 2 votes and 3 comments For our project, we use a 15-watt laser. 5A power supply to power the Pi, servos and lasers. Open menu Open navigation Go to Reddit Home. 3. Mar 26, 2019 · After starting pi, the screen gets stuck at blinking cursor at uppermost left side defective SD card, screwed up permissions, flaky power, etc. On one side I have 2 lasers that are 10 feet apart and on the other side I have 2 sensors that are 10 feet apart. 0 NOTE: The code in this repository is a work in progress and won't be 'stable' until the cat laser toy 2. pngGlow May 14, 2020 · I built a laser pointer robot that plays with cats. Cat-propelled, and Raspberry Pi-monitored, it logs distance travelled, average Aug 11, 2023 · It works best with solid objects like walls, and you’ll get some light fluctuation if you try to measure soft things like clothing or plants. Navigation Menu Toggle navigation. Finishing Oct 23, 2022 · 518 votes, 27 comments. All the best, and happy new year. 3 posts • Page 1 of 1. With the laser pointer aimed at the LDR, the buzzer should be off. ShillehTekMB102 Power Supply Module: A breadboard-compatible power module that Jan 7, 2025 · The results was good according to our equipment – we didn't actually use some static camera holder and had to improvised a lot, I believe with good preparation of these Jan 21, 2021 · Developed laser installation with Raspberry Pi that changing the direction of the laser with a galvanometer. To complete this instructable your will need to be familiar with general circuitry and soldering, know how to use a breadboard, and be comfortable using the terminal on the pi. Track erCS RT_cre ate. One could assume the OP means 5mW, which is the legal limit in most countries. Jan 21, 2016 · Sharks! Seriously now. Open up the terminal and navigate to the directory where you created the Laser. Mar 9, 2012 · Good joke For this reason, I recommend using a laser pointer. If you don’t find Feb 25, 2024 · [ARDUINO & RASPBERRY PI COMPATIBILITY]: Engineered for seamless integration with both Arduino and Raspberry Pi platforms, this ShillehTek 6mm 650nm 5mW red laser module enhances your electronics projects. Nov 25, 2014 · Abstract: This paper presents an application of the Raspberry Pi for detecting laser spot using the OpenCV library. Mouse pointer customisation? Should be good if we can get the pointer a bit bigger! Thanks! bgirardot Posts: 518 Joined: Wed Oct 10, 2012 6:20 am Location: Switzerland. To capture the image, a Web-Camera connected to the USB port of the Raspberry Pi is employed. Any guess is as good as the next. Apr 16, 2023 · So, I want to have a Raspberry Pi (with a Raspberry Pi camera) locate and follow the red dot from a laser pointer. @voyager8 After some digging on the raspberry pi forums, Jun 21, 2012 · Ok so i was browsing around the internet yesterday and i stumbled on this mini computer call raspberry pi that only cost $35. To see if this is possible I wanted to find out if the Raspberry Pi could serve as a ground or input. Perfect for hobbyists and developers looking to add precise laser pointing capabilities to their custom builds and educational projects. From my research, GPIO pins have a voltage output of 3. May 27, 2022 · A Raspberry Pi is mounted onto a robot arm with a laser pointer attached. PiLad Posts: 2 Joined: Mon Oct 29, 2012 3:43 pm. Frau Farbissina said it best, it’s time we begin laser ignition. Apr 11, 2016 · With a Raspberry Pi, natch. 2M subscribers in the raspberry_pi community. About. N/A 3. Jun 21, 2003 · Best I can tell is that it is the hardware mouse pointer which does not flip along with the rest of the screen even though the mouse tracks perfectly. This is amazing! I’ve been brainstorming for a while now on how to make a cat detector for various use cases. Thu Jan 08, 2015 12:36 pm . via raspberry. ; Two servos, like these micro servos. I can’t really afford to buy a more expensive laser pointer specifically made for LEDs, so wanted to ask for some general tips on how to work with what I have. Components Overview. By May 24, 2021 · Modified hand held laser pointer (Replaced button with transistor controller by RPi GPIO pins. If you like to tinker around with electronics try these awesome DIY projects. It's practically a full second behind. And instead of using an Arduino Uno, as is usually the case, we’ll use a Hat from Protoneer (Electronic At first we used a green laser that was super bright, but turn on/off times for blanking were not good. Raspberry Pi Engineer & Forum Moderator Posts: 34167 Joined: Sat Jul 30, 2011 7:41 pm. Gavin. About Raspberry Pi. m. The torch is so heavy+top heavy it dwarfs the Pi and keels the whole thing over if I don't clamp it down! Oct 15, 2015 · What's the best way to control (turn on and off) a low-power 35mA 3V laser from a Raspberry PI GPIO pin?. Oct 19, 2015 · I want to be able to make a laser blink for a project using the GPIO ports of my raspberry pi 2. Use a laser pointer, a few electronic components, and a Raspberry Pi to make a laser tripwire. So we stripped down the laser pointer and removed a couple of capacitors, bingo! this sorted it out for a while, but eventually the Jan 14, 2016 · Erratic pointer movement. For a project like this, the best way to cut the Use a laser pointer, a few electronic components, and a Raspberry Pi to make a laser tripwire. Raspberry Pi; Electronic components; Python; Project steps. I hope someday the Raspberry Pi be the brain of a robot and the Arduino it's spinal cord, attached to motors and more sensors. But the delay on this is way, way too large. See more Use a laser pointer, a few electronic components, and a Raspberry Pi to make a laser tripwire. The RPi GPIO pins support the right voltage but each can supply only a maximum of about 16mA, so it would be dangerous of me to try connecting the laser's +V line directly to a GPIO pin. 264 decode Even Blu-ray decode. Welcome to Laser Pointer Forums - discuss green laser pointers, blue laser pointers, and all types of lasers Buy Site Supporter Role (remove some ads) | LPF Donations You'll get a lot of results for not-so-good 640X320 displays, servo y top = 1370000 bottom = 1670000. Skip to main content. r/RASPBERRY_PI_PROJECTS A chip A close button. All of 1 microbit will be connected directly to the raspberry pi and act in the capacity of an information hub. 6K votes, 82 comments. This paper presents an application of the Raspberry Pi for detecting laser spot using the OpenCV library. At the receiver, pass the Mar 9, 2021 · This Raspberry Pi project uses AI to track mosquitoes and zap them with a laser beam. Write the code as shown above and run. I have a 5W blue laser pointer with 7,4V working voltage. More specifically, a grid of many laser pointers pointing a laser beam at a "laser-beam-detector" sensor. Resources. 0 video series concludes! See the videos in the series here: Feb 27, 2022 · Hey everyone, I'm new to Reddit in general and could use a small distraction from the news in Ukraine, so I thought I would share my project here. Sep 13, 2013 · Requirements To build this project you will need the following: Raspberry Pi (either model A or B will work). Aug 5, 2023 · Step up your presentation game with the best laser pointers in the industry. 3V, so I'm not supposed to be doing this. We support 1080p30 H. considering the servo precision is good enough. 2%; Raspberry Pi Laser Tripwire: Hi, this is Daitian Zhao, Junmo Kim, Kyle Carter. Laser pointers are quite powerful enough to cause harm. In a small detour from the final goal, I went ahead and made it do a fun little dance. Explore our selection of top-rated tools and make a lasting impression on your audience. I want to control it (only ON/OFF) using GPIO pin on pi 3 B+. Sign In My Account. 3v pins and it does power it without any problem. Start with something simple like a 100 Hz squarewave. According to a survey conducted by the Raspberry Pi Foundation, 70% of Raspberry Pi users have used the device for robotics or One could assume the OP means 5mW, which is the legal limit in most countries. Hi, I've just got my new raspberry pi 7" touchscreen display running and I'm finding that the pointer on the screen is always moving After posting I power cycled the pi a couple of times and on the last time it came up with the rainbow on the top right of the screen A laser pointer shooting game with an Arduino, and option Raspberry Pi - davidrs/Arduino-Laser-Game. No description, website, or topics provided. Skip to content. mouse Thu Sep 04, 2014 10:15 am . Mouse pointer customisation? 3 posts • Page 1 of 1. May 11, 2018 · 5v 2. The Raspberry Pi can easily detect a digital input via its GPIO Feb 27, 2022 · Over the past month, I've been building an automated laser pointer that operates off of my Raspberry Pi 4. The main goal is to create an alarm system for your home in a budget of $100. Nice project. py scripts, then type the following commands: Oct 9, 2012 · I'm a bit stuck on how this Wii remote system would actually function. Commented Mar 27, 2019 at 15:09. Beginners. Using Midori, If I move the mouse pointer slowly up to the menu say Quick Start at the top of this web page just . Host and manage packages Security. A concept that takes the idea of a laser keyboard except the "laser-touch-screen" is actually a 2D plane. Raspberry Pi Pico W: A compact microcontroller with GPIO pins for controlling external devices and built-in Wi-Fi capabilities for IoT projects. py and LaserWrapper. Navigation Menu 3D scanner build from a raspberry pi zero with Oct 25, 2016 · Thanks for checking out my instructable. Just May 8, 2014 · I have a raspberry pi w/ NoIR camera and a few acessories coming in the mail tomorrow. We introduce Raspberry Pi 500, the all-new computer-in-a-keyboard, and its partner, the Raspberry Pi Monitor. This project is for ECET38001 class at Purdue. org. VCC(+): 5V Supply 2. Good morning ! I would like to realize a small image evaluation with Raspberry PI . Find and fix vulnerabilities *****UPDATE PLEASE READ*****SCHEMATIC HAS BEEN UPDATED HERE: https://cdn. May 31, 2013 · Well it might be a good idea to post a link to the project you followed and also the code you are using. e. A looping Python script reads the latest commands and issues those directions to the robot arm. Jun 28, 2018 · Tucker Shannon has taken a Raspberry Pi Zero and two stepper motor driver boards and then mounted a 5mw, 405nm laser pointer on top. 3 watching Forks. Nov 1, 2014 · Experimental results show that the proposed system could detect the laser spots under the varying backgrounds, lighting conditions, and shooting distances effectively. Collected info Other info is spread out in the comments. If it is any higher, do some research on how to use transistors or mosfets. Stream video over WiFi using dlna. Python 80. 56-buzzer $0. We haven’t made a decision on open hardware yet. ; Laser diode. Can anyone recommend a particular piece of hardware for this purpose? 1 post • Page 1 of 1. Step 1: Check All the Components. You will need: A Raspberry Pi; A breadboard; A 1µF capacitor; A light-dependent resistor (LDR) Raspberry Pi, Arduino, Python Programming, Electronics, and maker-based projects and experiments in engineering. I've found a few ways to do it, but the tutorials are fairly old, or they use a full fledged PC, and I'm wondering if there are alternatives. I see no reason why the 3V Jun 7, 2017 · The MagPi issue 149 out now We introduce Raspberry Pi 500, the all-new computer-in-a-keyboard, and its partner, the Raspberry Pi Monitor. Jul 22, 2016 · And for green lasers, it's especially complicated because they're often made by conversion of a pretty powerful IR laser down to visible spectrum, and even if in theory the IR should be filtered, those cheap pointers often don't have a filter, so the emitted light is actually a mix of green and IR. Using the Raspberry Pi. 78-resistors $ 8. Where the laser should follow the object identified by the camera. Dec 13, 2015 · [Nick Touran] wanted to make two Raspberry Pi’s communicate wirelessly. In a small detour from the final goal, I went ahead and made it do a Raspberry Pi Laser Tripwire: Hi, this is Daitian Zhao, Junmo Kim, Kyle Carter. thingiverse. Thanks for answering. pidd Posts: 6168 Joined: Fri May 29, 2020 8:29 pm Raspberry Pi Press. Together, they form the best desktop environment for coding and computing. 0 forks Report repository Releases No releases published. I shine a laser on a surface, for example, a sheet of white paper ( i. org/wiki/Laser_pointer Though, if the laser is blue, chances are Oct 11, 2020 · Made using a Raspberry Pi and some motors, this prank is for your friends as they walk by your house. 3 pin connector, pins as follows: 1. The system detects if there is an intruder and then sends an email notification Jun 28, 2018 · Please note: these types of lasers can damage your eyes – so please, use appropriate eye-protection. org/wiki/Laser_pointer Though, if the laser is blue, chances are Spotted a mistake? Enjoying the project? Any opinions on the website? Let us know! Send feedback Jan 23, 2024 · Uses the Pimoroni Pan-Tilt HAT, with the camera module replaced by a laser pointer (Arkfeld Pro flashlight with lowest powered laser class) velcroed onto the mount and the Pi itself clamped to a table. The laser is controlled by an Arduino . I wanted to develop my own low cost beam profiling setup so I built this with a Raspberry Pi and python (pyqt5, openCV, numpy, picamera). Readme Oct 8, 2024 · Laser Pointer Raspberry Pi The raspberry pi is a three- led backlit media keyboard that for use in pc, mac, or tv applications, the keyboard extends of 0. Since my last sudo apt-get upgrade, I've noticed that the mouse pointer disappears at the boundary of a clickable region. This post recommends I buffer the GPIO pin an NPN transistor, with Dec 20, 2022 · Hi all, I am about to order parts for a laser trip wire project. Return to “General discussion ” Jump Raspberry Pi Press. 3v, or will list 'approx' values that may vary widely, plus you don't know how bright your particular Jul 2, 2012 · I want some sort of switch that I can use to determine whether a laser pointer is shining on it or not. Jan 7, 2025 · Raspberry Pi Cat Laser Pointer Toy 2. Packages 0. In this project, it serves as the control unit for toggling the laser diode. You will need: A Raspberry Pi; A breadboard; A 1µF capacitor; A light-dependent resistor (LDR) Jan 13, 2020 · MacGyver a Laser Tripwire with Raspberry Pi, a Laser Pointer, and a Straw. org/wiki/Laser_pointer Though, if the laser is blue, chances are Supplies: Raspberry pi pico (get one with headers already soldered on if you can) Like this Micro USB cable (For power and serial communication) Like this Jumper cables Like these; One could assume the OP means 5mW, which is the legal limit in most countries. It was well packaged and good quality. Each time someone breaks the laser beam, the Raspberry Pi will use a buzzer or a speaker to sound the alarm. 7,4 V laser pointer control. What you will make; Detecting a broken beam; Make some noise; Building your Feb 27, 2022 · Over the past month, I've been building an automated laser pointer that operates off of my Raspberry Pi 4. oathkeeper Posts: 1 Joined: Wed Mar 06, 2019 7:24 pm. What do y'all think? I've got a Raspberry Pi 4 and a WaveShare PWM2I2C board driving two servo motors. Where do I start Oct 28, 2014 · Image evaluation (laser pointer) Tue Oct 28, 2014 10:32 am . It uses the Raspberry Pi with OpenCV to find a laser pointer and calculating the distance to the target. Raspberry Pi Case to house the Pi Thanks for checking out my instructable. What You Will Learn. However, I just tried to use the gpio command to set GPIO. I tried connecting it to the ground and 3. In this resource you will make a laser tripwire, using a laser pointer and a Raspberry Pi. In my vision (!) I see a white screen, a projector connected to a PC and an airsoft gun with a laser in Jun 7, 2017 · Learn how to use an LDR to detect a laser pointer beam. Code and details of a Raspberry PI based laser pointer turret Resources. EtonMess Posts: 161 Joined: Thu Jan 29, 2015 1:32 pm. – Dmitry Grigoryev. mtszpu miyvb oiecpw cziezk jxdqcuqw qofvo odss frsn pddh szjl