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Posts Tagged ‘Arduino’

Solid-state joystick

Tuesday, August 22nd, 2017

Paul Gardner-Stephen writes: Early in the year, one of my colleagues, Damian, showed me one of these strain-gauge solid-state joysticks that they were using as part of the undergraduate engineering curriculum. Their goal was to teach the students how to read strain-gauges. But I immediately saw the applicability for making...

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Posted in Arduino, gadget | No Comments »

Pool playing robot

Monday, May 8th, 2017

BVarv  wrote an instructable detailing the build of his pool playing robot project with Arduino: I redesign the prototype with servos, belts and gears at the points of rotation to add programmable motion. While doing so, I stumble across an easy win. It turns out that the "parked under the table"...

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Posted in Arduino, tutorials | No Comments »

HP 7044A X-Y recorder teardown, Lorenz Attractor

Wednesday, May 3rd, 2017

Kerry Wong did a teardown of a vintage HP 7044A x-y recorder and programmed an Arduino Due to draw the Lorenz Atrractor using this recorder: To test the recorder, I wrote a simple program using Arduino Due that generates a Lorenz attractor. The min/max boundaries for each axis were obtained...

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Posted in Teardowns | No Comments »

Calibrating Thermistors on a 3.3v Arduino

Tuesday, May 2nd, 2017

Edward Mallon writes, "I’ve managed to get cheap thermistors calibrated to about to +/- 0.2C with 3.3v Arduinos. Instead of playing whack-a-mole with the various sources of error, I simply rolled them into some synthetic Steinheart-Hart constants, and I was able to get the therm’s output onto the reference line...

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Lift: Millimeter-level finger tracking with Arduino and light sensors

Friday, April 21st, 2017

Researchers at the UC Irvine and the FX Palo Alto Laboratory present Lift, a visible light-enabled finger tracking: By projecting encoded visible patterns onto an object’s surface (e.g. paper, display, or table), and localizing the user’s fingers with light sensors, Lift offers users a richer interactive space than the device’s...

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Posted in Arduino, sensors | No Comments »

GMLAN sniffing with Arduino + MCP2515 board

Thursday, April 20th, 2017

Dimitar writes: If you are reading this I suppose you are already familiar with GMLAN. In short, GMLAN is a communication protocol based on CAN-BUS to send data between different Electronic Control Units (ECUs) in the car like BCM (Body Control Module), IPC (Instrument Panel Cluster), EHU (Entertainment Head Unit)...

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Individually addressable incandescent lamps

Tuesday, April 18th, 2017

Michael wrote an article on controlling a bunch of lamps individually with WS2811 drivers and Arduino: I simply used the same technology as LED strips to allow communication between lamp modules. LED strips have RGB LEDs with an embedded driver chip which uses PWM (pulse width modulation) to control the...

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Posted in Arduino, LEDs | No Comments »

Single tube Lethal Nixie clock

Friday, January 20th, 2017

Andrew Moser made a lethal nixie tube clock: Clock 1: Single tube Lethal Nixie clock — you know having all the high voltage lines exposed and un-insulated. Inspiration for this design was from this clock. Unfortunately I built mine right after having surgery. I think the painkillers had something to...

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Posted in clock | 2 Comments »

Electro pet

Monday, December 19th, 2016

Facelesstech has a nice build log on his electro pet project, inspired by Circuitbeard's petduino: I got inspiration for this project from the petduino. The petduino is a great project to get kids into coding and electronics. I thought I would have a go and see if I could add...

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Posted in Arduino | No Comments »

A Christmas star with Neopixel LEDs

Saturday, December 17th, 2016

A geeky Christmas decoration made with 56 LED Neopixel and controlled via an Arduino Micro board from Open Electronics: Let’s take a look, therefore, at the project’s electrical section, that is essentially composed of a set of 56 Neopixel LEDs, that have been arranged so to form two concentric stars; the...

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Posted in Arduino, open source | No Comments »

Serial seven segment LED display shield

Wednesday, December 7th, 2016

Raj over at Embedded Lab has just finished a new project article about a serial seven segment LED display shield: Seven segment LED displays are brighter, more attractive, and provide a far viewing distance as well as a wider viewing angle compared to LCD displays. This project describes a serial seven...

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Posted in Arduino, LEDs | No Comments »

How to run your ESP8266 for years on a battery

Thursday, December 1st, 2016

Here's a detailed article on how to run an ESP8266 for a long time on a battery by Marco Schwartz: For most of the projects I am building with the ESP8266 WiFi chip, I usually don’t care too much about the power consumption aspect. I for example build data loggers that...

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Posted in how-to | 5 Comments »

SMD edge connectors

Monday, November 14th, 2016

Facelesstech has written an article describing a technique he used for connecting two boards together. More details at Facelesstech's blog. Check out the video after the break. (more…)

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Posted in techniques | No Comments »

4-20 mA current output for Arduino Uno

Tuesday, November 1st, 2016

Giovanni Carrera writes, "The purpose of this project is to provide a 4-20 mA output from a PWM signal generated by a microcontroller ATmega328 and numerous other chips, such as the PIC. One of the more interesting applications of this circuit would be to replace or to realize a smart...

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Posted in Arduino | No Comments »

Gnat-Stats, Tiny OLED PC performance monitor

Monday, October 17th, 2016

Rupert Hirst writes: After a recent purchase of a Nvidia GTX1080 graphics card, 4k monitor plus Doom(2016), I thought it would be great to see some external telemetry... from my exorbitant purchase. Then, I Stumbled upon on Psyrax's "Serialmonitor" GitHub repository! Armed with an Arduino ProMicro plus a 128x64 pixel OLED...

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Posted in Arduino, OLED | No Comments »

Capcom CPS2 security programming guide

Friday, September 16th, 2016

Eduardo Cruz from Arcade Hacker  writes: Dear all, after a few months of testing we are extremely happy to release the new clean desuicide / security programing method for Capcom's CPS2 hardware. This guide is the result of almost two years of work by an small group of arcade enthusiasts...

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Posted in tutorials | 1 Comment »

An Arduino Terminal

Saturday, September 10th, 2016

  Peter Scargill writes, "As it happens I’m experimenting on a 1284 chip which while being Arduino-compatible kind of, it does have another serial port, so without disconnecting my FTDI – I hooked up the second serial port to the home control serial and fired the DEBUG command at the...

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Posted in Arduino | No Comments »

RC boat with NRF24L01+ and Arduino

Friday, August 19th, 2016

Markus Gritsch writes: I and my little son built a small electric boat from a kit. However, the kit only offered turning on the motor with a switch, and let the boat cruise wherever fortune it may take. I thought why not improve it a bit by adding some RC...

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Posted in Arduino, project logs | No Comments »

Dekatron tubes controlled by Arduino

Tuesday, August 16th, 2016

Flathagen writes: Interfacing dekatron tubes with a microcontroller is fairly easy, once you understand how the tubes work. Threeneuron's Pile o'Poo of Obsolete Crap provides the necessary background information and schematics for making this work. I used two russian OG-4 tubes. I prefer the orange look of the neon tubes...

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Posted in Arduino, DIY | No Comments »

I2C Continuum

Tuesday, August 2nd, 2016

Peter Scargill writes: Success with I2c – once I realised there was something up at the Arduino end which I could work around, my ESP8266 I2c endeavours have been coming on in leaps and bounds! And here is my test rig – or one of them – I have one...

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Posted in Arduino, wireless | No Comments »

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