Clik here to view.
Design by Modelling
Hellmut1956 submitted a new Showcase Item: Design by Modelling Hi friends, I want to present an important project that has come up during my project of building from scratch a sailboat model. I use...
View ArticleDesigning Your Circuit
ethila submitted a new Showcase Item: Designing Your Circuit Determining Your Goals The first step in designing the perfect PCB is to have a well-defined set of goals that you would like your design to...
View ArticleShort/open detection with optocoupler in a h bridge with arduino?
sergio21345 submitted a new Showcase Item: Short/open detection with optocoupler in a h bridge with arduino? Hi folks… Let me explain you how I want anyone else to help me, ha ha… Working principle for...
View ArticleTic Tac Toe, Human vs Machine using flip flops
Devany submitted a new Showcase Item: Tic Tac Toe, Human vs Machine using flip flops hi everyone, as one of my final projects of the semester i have to make a tic tac toe game, human vs machine using...
View ArticleHacking a Mattel Mindflex Headset for Brainwave Control
Old Steve submitted a new Showcase Item: Hacking a Mattel Mindflex Headset for Brainwave Control Read more about this showcase item here...
View ArticleAmbient Light for computer (backlight for your PC) - PART 1
RafPe submitted a new Showcase Item: Ambient Light for computer (backlight for your PC) - PART 1 Welcome everyone, I wanted to share you with you the first part of my project. As we probably all have...
View ArticleLM4702 ultra hifi audio amplifier
swagguy8 submitted a new Showcase Item: LM4702 ultra hifi audio amplifier i'm still in high school, so don't expect much progress on this as i have a limited budget so i'm making a hi-fi amp. i was...
View ArticleCapacitance LCD Readout
bigone5500 submitted a new Showcase Item: Capacitance LCD Readout I am attempting to use a project I found on Instructibles and integrate an LCD1602 to display results. This will eliminate the need for...
View ArticleSimple Flashing LED
Aced submitted a new Showcase Item: Simple Flashing LED Hi, I recently made a Flashing LED with what I had lying around and a little research ,I found this...
View ArticleRemotely open/close motorised front gate via text message
CustomTrading submitted a new Showcase Item: Remotely open/close motorised front gate via text message Open or close my front gate via a text message. Unless there is a better way, the main project...
View ArticleCPU Power Supply Mod
Supercap2F submitted a new Showcase Item: CPU Power Supply Mod Howdy! This project came out of wanting to etch my first useful PCB (up to now all the PCBs I've made have been tests). I have a old CPU...
View ArticleHomemade PCBs with a Brother printer - 4mil Traces
Supercap2F submitted a new Showcase Item: Homemade PCBs with a Brother printer - 4mil Traces Hey Guys! Just thought I would share my home made toner transfer PCB results with you, using a Brother laser...
View Article24v stepper controlled by aruduino
bigone5500 submitted a new Showcase Item: 24v stepper controlled by aruduino I finally have a 24v power supply and want to control a stepper with an arduino. Never done this before and think it should...
View ArticleM.U.N.T.E.R. (Z80-based computer)
Raven Luni submitted a new Showcase Item: M.U.N.T.E.R. (Z80-based computer) I thought I'd make an official thread for the various stages of this project as I complete them. View attachment 16658 I've...
View ArticleBuilding a small FPGA based co-processor to encrypt serial data.
Ewan Lister submitted a new Showcase Item: Building a small FPGA based co-processor to encrypt serial data. Hi, I have started a new blog post where I am designing an encryption engine that can be...
View Articleslip ring connectors
donkey submitted a new Showcase Item: slip ring connectors so I got a 3d printer and more than anything I wanted to make some slip ring joints for a project. the first batch are currently being...
View ArticleVariable Voltage Lab Power Supply Using PSU
Kiwi submitted a new Showcase Item: VARIABLE VOLTAGE LAB POWER SUPPLY USING PSU I am an Automotive Electrician, so needed a power supply that could provide the range of voltages found on 12 volt and 24...
View ArticleClik here to view.
UV LED PCB Lithography Exposure Unit
chopnhack submitted a new Showcase Item: UV LED PCB Lithography Exposure Unit Received some goodies in the mail from our brethren in the Far East today I have never tried photolithography for producing...
View ArticlePermanent Magnet DC (PMDC) Motor Controller
adamq submitted a new Showcase Item: Permanent Magnet DC (PMDC) Motor Controller I assembled a PMDC (permanent magnet DC) Motor Controller for use with my variable speed mini lathe. Forum member...
View ArticleFanrunon - delayed turn-off for bathroom extractor fan
KrisBlueNZ submitted a new Showcase Item: Fanrunon - delayed turn-off for bathroom extractor fan My 'Fanrunon' project is a turn-off delay timer module for use with an AC mains load such as a fan or a...
View ArticleAndroid Bluetooth + pic16f628a
brian22 submitted a new Showcase Item: Android Bluetooth + pic16f628a Code: http://www.4shared.com/zip/KUseIGj7ce/Programs.htmlClick to expand... Read more about this showcase item... Android Bluetooth...
View ArticleHigh(ish) power passive dummy load
(*steve*) submitted a new Showcase Item: High(ish) power passive dummy load I am in need of a dummy load to test my Keithley 228 Voltage Current source. (And yes, it does sound like a vacuum cleaner) I...
View ArticleMIC Voice Control LED Melody Lamp
jack20140512 submitted a new Showcase Item: MIC Voice Control LED Melody Lamp Recently I bought a circuit diy project . MIC Voice Control Led Melody Lamp. I just finished it. and creat a video The red...
View ArticleNano Class Sumo Robot – PICAXE
Supercap2F submitted a new Showcase Item: Nano Class Sumo Robot – PICAXE Well all the projects I have had going recently have either been finished, or they are on hold waiting for a china order to come...
View ArticleFirst Soldering Circuit Board Attempt
David Bond submitted a new Showcase Item: First Soldering Circuit Board Attempt All-Nighter preparing for my Electronics Lab tomorrow morning at 8am, alcoholic beverages and Soldering components,...
View Article"notsohot" project - mains power cycler for heating appliances
KrisBlueNZ submitted a new Showcase Item: "notsohot" project - mains power cycler for heating appliances My "notsohot" project will enable a heating device to be cycled on and off with a duty cycle...
View Articleprojects: testing this out...
BGB submitted a new Showcase Item: projects: testing this out... so, current projects for stuff I am working, or have built: QuadRotor / RoboWasp: Approx footprint: 1.25 meter (4 feet). Approx weight...
View ArticleToner transfer for PCBs having BGA packages on them
(*steve*) submitted a new Showcase Item: Toner transfer for PCBs having BGA packages on them OK, I'm a glutton for punishment. Quite some time ago I purchased some small chips designed to drive a...
View ArticleDRSSTC: Dual Resonant Solid State Tesla Coil
kilovolt submitted a new Showcase Item: DRSSTC: Dual Resonant Solid State Tesla Coil Dear Freaks out there ;-) I would like to share with you a small DRSSTC-Project I built last year. Spark legnth is a...
View ArticleFPGA Shield for Arduino Leonardo or Uno - Part 1
Hi, As I previously mentioned I have started the design of the FPGA shield for the Arduino Uno or Leonardo boards. You can read the first part of the design at http://www.design-foundry.net/. I would...
View ArticleDesktop Case lights using PIC18f14k50 WS2812B Led strips
Gaupa95 submitted a new Showcase Item: Desktop Case lights using WS2812B Leds. Hi this is my first project log on this site. I will be updating as I find time. A few months back I bought some WS2812B...
View ArticleLi-ion under-voltage protection circuit
sweben submitted a new Showcase Item: Li-ion under-voltage protection circuit Hey all, In my long quest to automate as much of my home as possible I want to have battery powered modules, mostly for...
View Articlerecreating the wheel... or a 3d printer
donkey submitted a new Showcase Item: recreating the wheel... or a 3d printer ok for my big project log, the design phase is the start. standard 3d printers are becoming more and more user friendly....
View ArticleRobot created from old Flashlight
Botyard submitted a new Showcase Item: Robot created from old Flashlight This is this 1st of 3 parts so far. I plan to record the entire process from start to finish. Please subscribe and comment your...
View ArticleMeccano robot
Lavaguava submitted a new Showcase Item: ACTUATOR I saved up for ages to build an expensive project, this is the project I chose. The robot is of completely original design and is an ongoing project as...
View ArticleMind & Infra Red Controlled Robot Car
Spike124 submitted a new Showcase Item: Mind & Infra Red Controlled Robot Car Read more about this showcase item here...
View ArticlePCB laminates' effects on data
ethila submitted a new Showcase Item: PCB laminates' effects on data Taking this somewhat ambiguous subtitle and putting some parameters and definers around it, the topic that this article addresses is...
View ArticleArduino compatible high precision frequency meter
Pandauino submitted a new Showcase Item: Arduino compatible high precision frequency meter Hello, I would like to expose you a project that I started already 4 monts ago and it is running at low speed....
View ArticlePLC interactive lights
andreapg submitted a new Showcase Item: PLC interactive lights This ladder logic program could be used to drive a strip of ten lights placed along a stair. Controlled by photocells at the ends of the...
View ArticleCPU out of logic gates
DrenDran submitted a new Showcase Item: CPU out of logic gates Inspired by a few YouTube videos showing projects of the same nature, I decided to create my own breadboard computer. Basically, it stores...
View Articleschematic (transistor) J-K master/slave flip flop
jilfe submitted a new Showcase Item: schematic (transistor) master/slave flip flop I enjoy designing and building circuits using all discrete components. Here is a "J-K (master/slave) flip flop,...
View ArticleWall mounted 8 way SCART switch
@xi@g@me submitted a new Showcase Item: Wall mounted 8 way SCART switch Hello all ! This is my first project log posted here. Hope you'll like it. The goal of this project is to create a SCART switch...
View ArticleClik here to view.
Mood Light Project
Shay submitted a new Showcase Item: Mood Light Project Dear All, This is my first Light project, I am trying to provide as much information as I can. The Final concept Idea ( CAD ): Basically the LEDs...
View ArticleFruit Machine (arduino controlled)
Paul Kemp submitted a new Showcase Item: Fruit Machine (arduino controlled) This project has kept me busy for several months. I have a collection videos, photos, schematics and illustrations of each...
View ArticleK40 Laser Cutter Upgrades
Ian submitted a new Showcase Item: K40 Laser Cutter After much deliberation and questions on the forums, I finally bought a K40 laser cutter. It cost around £350 (after discounts) and was delivered...
View ArticleLow-drain Long-life audio clicker
FuZZ1L0G1C submitted a new Project Log: Low-drain Long-life audio clicker Reading a post for Blind Cat's "sounder / navigation" aid, prompted me to try this relatively low-cost idea. About the circuit:...
View ArticleThe Fathom-Sound Project
LittlePebble10 submitted a new Project Log: The Fathom-Sound Project The primary goal of this project is to document my journey in building a synth. I have not seen a whole lot of midi controlled...
View ArticleRF Remote Control in a Light Switch
TooFatGeorge submitted a new Project Log: RF Remote Control in a Light Switch What: I am working on creating a remote control that fits inside of a light switch. It will have a few buttons on it. When...
View ArticleRobot Sumo Project - PICAXE
Supercap2F submitted a new Showcase Item: Robot Sumo Project Hey Everyone! This is my 1.5-2 year project that I have referenced to a couple times. I thought I would start a project log, since I'm kind...
View ArticlePractical vacuum tube signal generator
Miguel Lopez submitted a new Project Log: Practical vacuum tube signal generator Hello everybody I've been out of touch on valves due to time restrictions, but I want to share with you a small project...
View Article