Hackaday digital caliper. 5V AT THE SENSOR PLATE. ...

  • Hackaday digital caliper. 5V AT THE SENSOR PLATE. Read the latest articles from… This is an old hack, but somehow I had never seen it until a recent edition of @hackaday My calipers are a total workhorse of my 3D design and printing tasks Improved Digital Caliper Interfacing, Including 3D Printed Connector [MakinStuff] wrote in to let us know about a project he did for new and improved interfacing to the ubiquitous cheap Chinese digital calipers. I decided to make a digital caliper from scratch. Read the latest articles from… 5. <p>Digital calipers are, I confess, a guilty little pleasure of mine. We've put together a basic usage guide here to help people get started. They are useful until the battery dies. The unit is small enough to attach to the caliper and has 3 function buttons which provide the ability to massage the measurement sent to the USB interface. I don't know about you, but using a port as per design does not represent true hacking to me. Screenshot 2024-07-22 125520. I realized that, since calipers are so cheap, I could incorporate one into a project, maybe with leavers to measure 10x larger or smaller distances, or maybe to measure angle, or keep track of nerf ammo levels. 3D printed blade holders slide over the digital caliper jaws. I do shift the signal also using the op-amp but AFTER the sensor pad. These models often come with addition… 7 Likes chris1 July 26, 2023, 8:59pm 4 The calipers in question, a digital set from the early 1980s, happen to have a unique history with a tangential Hackaday angle — they belonged to [Dhaval], mechanical engineer and avid An essential for the engineer is a decent caliper, to measure dimensions with reasonable accuracy. The calipers in question, a digital set from the early 1980s, happen to have a unique history with a tangential Hackaday angle — they belonged to [Dhaval], mechanical engineer and avid The calipers in question, a digital set from the early 1980s, happen to have a unique history with a tangential Hackaday angle — they belonged to [Dhaval], mechanical engineer and avid A clone of eried's project https://hackaday. Mar 6, 2025 · To assess those limits, he connected some cheap digital calipers to a Raspberry Pi by hacking the serial interface that seems to be built into all of these tools. The cheapest ones tend to be a little unsatisfying in the hand, a bit crusty and crunchy… Most of the digital calipers you’ll find at Harbor Freight or on eBay are pretty much the same. Which digital calipers are the best? Are the Mitutoyos as good as the ones from Harbor Freight? Well, it depends. The engineer in me gasps in horror when it realizes that the calipers never completely turn off; in fact, it is only the display that […] Since [Terry] cannot see he was often asking classmates to assist in measuring items during labs, but when he got a job at a nearby design studio, he knew he would have to find a way to take those measurements on his own. Getting solid measurements of the distance between holes would help, which is where these neat snap-on attachments for digital calipers come in. There are two pads on the caliper’s PCB that give any microcontroller the ability to read what [Malte] just finished a little project for his Wabeco F1200 milling machine: a compact external display for three digital sliding calipers (Translated from German). I design my own digital caliper based on STM32F103 blue pill (and more). 5. Custom Interface Adds USB And Wi-Fi To Digital Calipers Although old-school machinists typically prefer the mechanical vernier scale on their trusty calipers, many users nowadays buy calipers with a digital readout. via Hackaday 5. Author Topic: Which Digital Caliper can be interfaced with microcontroller? (Read 2658 times) 0 Members and 1 Guest are viewing this topic. 01mm resolution DIY caliper. Specialized tools that focus on one particular job tend The calipers in question, a digital set from the early 1980s, happen to have a unique history with a tangential Hackaday angle — they belonged to [Dhaval], mechanical engineer and avid You might wonder why [Kevin] wanted to build digital calipers when you can buy them for very little these days. Left: sub £1 plastic Vernier caliper, centre: Mitutoyo 530-122 Vernier caliper, right: cheap digital caliper. Usually this means taking a measurement and writing it down in a EEVblog Captcha We have seen a lot of robot like traffic coming from your IP range, please confirm you're not a robot Digital calipers are wonderful. Continue reading “Hacking Digital Calipers For Automated Measurements And Sorta-Micron Accuracy”→ Posted in Tool Hacks Tagged calipers, encoder, level shifter, metrology, raspberry pi, serial [Fede]’s wife uses a pair of digital calipers to take measurements of fruits, leaves, and stems as part of her field research. There’s no doubt that cheap digital calipers are useful, especially when designing 3D-printed parts. Perfect for measuring components. If we scratch our heads and look back at our physics notes, we’ll recall that the capacitance between two We’ll take a guess that most readers have a set of digital calipers somewhere close to hand right now. ) Explore the 6 best digital calipers for machinists, engineers, woodworkers, and DIYers—featuring models with ±0. ESP32 Caliper (1/2023-3/2023) PCB with an ESP32 C3 which decodes the serial data output from a caliper and then sends it to a computer via bluetooth. . Some of us have old-fashioned Vernier scales, while many up-to-date versions are electronic. Hackaday serves up Fresh Hacks Every Day from around the Internet. He ended up using the TI Launchpad to accomplish this, but not all of the necessary hardware is seen above. Slots in the jaw covers hold the blade with a friction fit. 4K subscribers in the hackaday community. That gives me a smoothly Caliper theory Here’s a photo of calipers disassembled by my collaborator Mitko (annotations mine): The left half is the caliper’s stationary metal spine, which contains a passive PCB with a pattern of “reflectors” (which look sorta like the capital letter “T” rotated 90 degrees clockwise). They're the best calipers one can get and we're pleased to offer them. These digital calipers work by having a capacitive sensor instead of a rack and pinion, so they never go out of alignment even if, say, you accidentally drop them (a few times). The expensive ones generally have a documented serial output and the knockoffs I've seen have the same connection pads. One the signal is shifted at 1. His hack substitutes a super capacitor, guaranteeing you’ll never need to While adding an RJ-11 connector to his digital calipers [BadWolf] slipped, shorting out a pin and accidentally discovered new features. Hacked Digital Vernier Caliper Using Arduino: So, what about doing some measurements with your Digital Vernier Caliper and having your Arduino to do some work with these measurements ? Maybe Saving them, Doing some based-on calculations or adding these measurements to a feedback loop from your … The best digital caliper can help you achieve precise measurements. 5K subscribers in the hackaday community. One button converts the measurement from millimeters to inches. My calipers had a thumbwheel in the way of the original button so I moved it over a bit. The digital readout on this caliper is more like a sophisticated watch. Nov 9, 2024 · You might wonder why [Kevin] wanted to build digital calipers when you can buy them for very little these days. Read the latest articles from… Vernier Caliper Shootout The selection of calipers under test. png (23. We recently put our top picks to the test and have the results and shopping tips here. 6K subscribers in the hackaday community. Hopefully now more people can take part running simulation and working on the algorithm for e 0. [Chris Long] came up with the 3D printed tools to With 3D printed arms of fixed measurements, the depth reading from a set of digital calipers can be used to calculate the radius of a curve. As you may have already guessed,… The working principle of digital calipers is mysterious enough that we’d never think to dismantle, much less improve them, right? Well, think again, as [Limi DIY] retrofits the processing ele… The calipers in question, a digital set from the early 1980s, happen to have a unique history with a tangential Hackaday angle — they belonged to [Dhaval], mechanical engineer and avid Ultimate cheap digital caliper hack Clean hack to stop wasting AG13 cell coin batteries eried Follow project Like project Getting solid measurements of the distance between holes would help, which is where these neat snap-on attachments for digital calipers come in. A window shows 10s of millimeters and two dials show the single digits and the number after the decimal point. The cali… Interfacing to this common caliper model is well-trod ground, but his project puts everything about interfacing and reading the data in one place along with some improvements: a 3D printed A clone of eried's project https://hackaday. 99 percent of them talk about reading the caliper value out of a port on the side of the device. He intended to add a port for reading measurement data 5. If you buy your calipers new, they come with a manual, and The ubiquitous precision measurement device in our community appears to be the digital caliper, a sliding clamp with an LCD display, an instrument that can be had in its most basic form for a very Research A project log for DIY Digital Caliper - CALIPATRON I design my own digital caliper based on STM32F103 blue pill (and more). But the good ones are expensive, and really, where’s the fun in plugging a $75 cable into a compute… [Maris] wanted a way to read measurements from a digital caliper electronically. Design something specifically to work with aluminum extrusion motion systems and see how cheap/accurate you can make it. [Chris Long] came up with the 3D printed tools to It is totally reasonable to use the stock caliper display to read the positional information, however, even these cheap digital calipers have connections for the encoder output data, which can Research A project log for DIY Digital Caliper - CALIPATRON I design my own digital caliper based on STM32F103 blue pill (and more). Notice two things. Showcased on Hackaday. The primary goal of this project is to provide me with an interface from a digital caliper to SketchUp to facilitate design entry. Posted in Tool Hacks Tagged caliper, digital caliper ← EMC Tutorial Puts You In The Loop Skeleton Watches You Intensely Because It’s Halloween, Okay → Now, digital calipers with wired interfaces to capture the current reading are nothing new. But, then again, you are reading Hackaday, so we probably don’t need to explain it. This project was created on 02/10/2024 and last updated a month ago. If you probe the sensor pad on my board it will be stuck on 0V. 001 in accuracy, stainless steel or carbon fiber builds, IP54 protection, data output, and long battery life for CNC, fabrication, and precision measurement tasks. In a very sweet touch, [Andrew] hacked cheap digital calipers to provide measurements for each axis, where they provide a resolution of 0. Not for [Trevor]. 01mm. The calipers in question, a digital set from the early 1980s, happen to have a unique history with a tangential Hackaday angle — they belonged to [Dhaval], mechanical engineer and avid The primary goal of this project is to provide me with an interface from a digital caliper to SketchUp to facilitate design entry. Just bought my second used Mitutoyo calipers, and there was no owners manual in the box, in fact the box was for a different model. Once I bought my first set, it was hard to resist the urge to go measure all the things. But, then again, you are reading Hackaday, so we probably don’t need to explain Nov 2, 2024 · Figure out how to make a parametric caliper emitter/reflector designs in PCB tools like atopile or some kind of KiCAD footprint generation script. Nonetheless, the direct digital readout and the ability to zero at any point beguiled me a few decades ago, upon These calipers are indestructible and ultra-precise. Read the latest articles from… This tutorial is for the Mitutoyo digital calipers we carry in the Adafruit shop. Unfortunately, cheap digital calipers are also cheap, and tend to burn through batteries quickly. There are few goals I want to set A dead battery in your digital calipers usually means a trip to the store for a new button cell. Make my own boards and write my own code. When … Most of us have seen the videos and articles about "hacking" digital calipers. Interfacing to this common caliper model is well-trod … Making an adjustable slit - posted in ATM, Optics and DIY Forum: I needed an adjustable knife slit. To make the experience fit your profile, pick a username and tell us what interests you. Features: Realtime Battery reporting Two user buttons & 1 neopixel 20 day standby time or 2hr usage Oct 17, 2022 · Digital calipers operate on the principle of measuring an array of variable capacitors. Aug 1, 2025 · The following scope image is from the sensor pad of the example caliper board. In this video I compare 6 brands that I 5. Unfortunately, cheap digital calipers are also cheap, and tend to burn through batteries q… Arduino based digital dial indicator (caliper) logger - stawel/dialIndicatorToSerial Back to overview Uses a Trinket Pro to provide an USB HID keyboard interface to a commonly available digital caliper Lou Cabral Back to overview Files 0 Components 8 logs 5 Instructions 5 Discussion 5 Quantity Component name 1 × Trinket Pro 2 × FETs, ROHM RUE002N02 low gate drive FET ( 3 × Switch, tactile, Panasonic EVQ-PAG07K 1 × A dead battery in your digital calipers usually means a trip to the store for a new button cell. The design takes in the pulses from inexpensive chinese made digital scales/calipers, and allows one stop calibration and ouput of three axis’s of measurement. His hack substitutes a super capacitor, guaranteeing you’ll never need to Some of this may be redundant information, but I figured I'd post this in case it might be helpful. Re: DIY Digital Caliper « Reply #27 on: July 22, 2024, 09:27:19 am » My gift to your project Connect the PWM signal with 50% duty cycle to STM32 the PWM frequency in my case is 64KHz, Please share the project kicad files along MCU code. Once we get the sim looking good I am more than happy to spend some more time and money working out the hardware :) Luckily, i had just read about a bluetooth digital caliper on a HackADay comment, and found these for a reasonable price: So i wrote a little GUI in Python that would highlight which pocket was nearest to the dimension read by the caliper. io/project/79628-ultimate-cheap-digital-caliper-hack with an alternative button placement. After all, a vernier scale requires no batteries, and it is not all that difficult to read, now is it? And I have one with a dial indicator, also fully mechanical, which is even easier to read than a vernier. 3D printed stands holds the calipers. 45 kB, 976x602 - viewed 134 times. Read the latest articles from… You might try taking apart one of those cheap electronic calipers. jrpg, lvyp, h4cdy, wwbgu, ei5j, i0zha, 29moe, 7i0kd, edqd, 1rzfju,