Electro Labs’ new project the DIY prototyping board with 3.3V, 5V, 12V and -12V built in power supplies: This DIY Prototyping Board is designed to provide all the most used supply voltages that a designer will need during prototyping a circuit. The switching power supplies on the board output 3.3V, 5V, 12V and -12V rated at […]
Markus Gritsch build another bedside table alarm clock, the schematic and source code is available here: recently some vintage bubble displays popped up at various places , so I felt the urge to build another bedside table alarm clock, this time a really tiny one, roughly the size of an AAA battery. Check out the video […]
Benmurton posted a step by step guide of his DIY acrylic skeleton clock build: This is a clock made fully out of acrylic! This was originally was my year 13 mechanical engineering college project, we had to research, design and build a project for a stakeholder, this including lots of recording so there is no shortage of photos. […]
In this video Julian Ilett demonstrates his DIY 100W LED flashlight: I discovered that due to a lucky co-incidence of voltage and internal resistance, a 100W LED can be connected directly across the terminals of two 18V Nickel Cadmium power tool batteries. And that means you can build a 100 Watt (7,500 Lumens) flashlight for less […]
NsN has been working on a power bar, a small breadboard power supply: The power bar is a small breadboard friendly power supply with three independent voltage regulators and built-in current monitoring. The target applications are small, mostly digital projects, which don’t need a large 0-30V, 6A benchtop power supply, but at the same time want […]
The crew from AnalysIR writes: Many electronics enthusiasts will be familiar with how Infrared receivers demodulate IR signals. In this post we show a visualisation of the time lag and distortion of the signals as they pass through the IR receiver for demodulation and noise filtering. Most DIY projects use the raw timings from the […]
This video by RimstarOrg demonstrates how to build a Piezoelectric crystal speaker: I make a loud speaker for a clock radio using a piezoelectric crystal. Actually I experiment with a variety of piezo crystals. That includes a piezoelectric igniter crystal from a BBQ lighter and a homemade/DIY rochelle salt piezoelectric crystal. I also try out a piezo buzzer from […]
jry shared his simple DIY JBC soldering station in the project log forum: Current status: transformer inside old PSU housing as temporary solution. I don’t want to mess with mains on my desk. For now battery powered (3.2V LiFePO4) logic part. Opamp, Atmega328p, three buttons, LCD (waiting for b&w OLED instead of this one for […]
Michał posted his DIY USB Infrared Toy: I’ve redesigned IR Toy’s v2 board a bit and managed to build it on my own and it works perfectly! I have decoded my Medion’s radio remote control codes via the WinLIRC Via the forum. You can get IR Toy v2 for $22.05, including world wide shipping.
EverLost shared his color wordclock in the project log forum: Display: It is now 2:45pm (Simulated, the RTC part is still WIP…) I am always fascinated with exotic clocks. You may have came across a DIY word clock before (if not, google it). This is my own flavor of word clock. Color, Traditional Chinese character, with a […]
Lucy Matchett, Nicole Yi Messier, and Joselyn McDonald (Snax_and_Macs) made a remote flower-watering device so you can water your loved ones’ plants when you water your own. We used Arduinos, a photoresistor, a servo, Arduino and Processing sketches, Spacebrew, and a little elbow grease to put it all together. Via Hacked Gadgets.
In this video Johnny Klaus demonstrates using a car door lock motor and an Arduino to mist his plants: A little project I’m working on. Using a car door lock motor and arduino with relay because it will be misting the plant every hour or so, and the 12v transformer doesn’t have to be constantly on. Via […]
In this video Trandi demonstrates his little self-balancing robot project: It’s really been a very long time since I added this on my todo list, and in the past couple of week-ends I finally found the time to do it. And for once, I managed to avoid over-designing it, and produce something that actually works and is fun […]
Markus Gritsch writes: Inspired by this and this wrist watch, I decided to build yet another iteration of my bedside table alarm clock, this time using an OLED. As a first step I made a handy breakout board for an 1.3″ 128×64 OLED. The rest is soldered together on a perfboard. The hardware is complete and […]
jeanmarc78 posted his PID based thermostat built using the Flash Destroyer module in the forum: After trying a few commercial thermostats for my central heating (hot water), i was not really satisfied. They don’t provide a smooth regulation. Then i decided to build my own one reusing my flash destroyer hardware board.
Ian Johnston wrote a post on his blog detailing his bench power supply build: My workshop has a couple of bench power supply’s, one is an old Farnell TOPS 3D 3-rail tracking job, and the other is a 3-rail CSI CSI3005XIII with Constant Current functions. The farnell is all analogue but has no constant current control, it has […]
This video by Ben Krasnow discusses how to make your own custom LCD.
Brian Dorey has written an article detailing the build of his DIY Pick and Place v2 project: The DIY pick and place machine project is now finally running and is able to place the components for our Raspberry Pi expansion boards. This project started in July 2013 when we began to order the various components, bearings, motors, […]
Here’s a project log covering the build of an Arduino Astronomical clock for automatic light control by Paulo Oliveira: My objective with this project was to build a system that, given my latitude and longitude coordinates and the current time/day of the year, automatically calculates the sunrise and sunset times, controlling the lights accordingly. There are of […]
Oscar writes: The compact FPV system I have built is only about 20g, now even my mini quadcopter and micro hexacopter can carry this FPV camera and video transmitter. In this post I will share with you what are the parts you will need and how I made it.