Ladvien blogged about his Lab LED constant current controller board project he made using DirtyBoard PCBs: A little lab controller PCB I’m working on. It centers around four high-power constant current circuits meant to be driven by an Atmega328’s PWM. I hate working on anything mechanical in dim light; comes from dropping parts down under […]
An instructables on how to make an Arduino based mini CNC plotter from old DVD drives by Ardumotive_com: For the X and Y axes we will use two stepper motors and rails from dvd/cd drives and for the Z axis we will use a small servo motor that moves the pen up and down. For the mounting […]
Peter Murray blogged about his Logic Sniffer case made from a 33.6Kbps modem box: I have had my Open Workbench Logic Sniffer for quite a while and I have found it to be a very useful piece of kit. I have recently ordered an expansion to upgrade it to a 32 channel logic analyzer (up […]
Benjamin Blundell has been working on his DIY smart-watch: I have an issue with smart-watches. Watches in general fall into one of two categories: a tool to tell the time, or a fashion statement. Increasingly, I believe the latter category is larger than the first. With the advent of the iWatch, Pebble and the like, fashion […]
Brian’s Beaglebone Black music box project: I would like to thank Miero for his hard work on the linux I2S driver for Beaglebone Black’s SOC without the driver this project would not exist. You can see the design in its enclosure here below and in the following video The design is essentially complete and tested as […]
Ron Hoffman over at Gadgetronicx has written up an article on his DIY model train controller project: Model trains are fun toys which every one of us used to play with in our childhood. Many sophisticated and attractive model trains are available in the market now a days yet the basic principle in build a controller for […]
Mike Doughty over at PCBSmoke shared his DIY 110v temperature controlled soldering station in the project log forum: This post shows how to build a do it yourself 110 volt soldering station. It is a step by step guide that shows how to convert a regular plug-in soldering iron into a temperature controlled unit. It is an […]
A DIY USB line power meter stick from Electro-Labs: This is an USB stick which measures the supply voltage of the USB port and current drawn by the device connected to the port over the stick. Then it calculates the power consumption of the device and displays the whole information with the help of the small […]
Do you need an incubator for hatching eggs? avgfitfreak shows you how to easily make a DIY egg incubator out of an unused Monster drink refrigerator: Since an incubator needs to be hot not cold, I installed a piece of heat tape (aka – heat mat for reptiles). This was taped onto the back wall behind […]
Rohit Gupta made a portable wood speaker that can play from USB, SD , Aux and has FM. Project details at Rohit’s blog. Via the contact form.
Shane has been working on making small robots and made a prototype of a matchbox car, a robot car that fits inside a matchbox: This build consists of a tiny DC motors ripped from a pair of 9g servos, a h-bridge motor controller, an el-cheapo 8 bit pic and a 100mAh 3.7V LiPo battery. Project […]
John McMaster has written an article detailing his homemade x-ray scanner: In some previous posts I talked about getting an x-ray head working, reverse engineering an x-ray sensor, and working with LinuxCNC. In this post I put them all together so that I can take a bunch of x-ray snapshots across an entire PCB. This […]
A DIY plotter build using old CD drives and a Raspberry Pi by Norbert Heinz: The battery powered WLAN plotter shown here is composed of parts from two old optical drives, four H bridges, a servo and a Raspberry Pi. Project info at HomoFaciens site. Via Make. Check out the video after the break.
Photon printer, a 3D printable laser engraver build using DVD drives by Isolt: This is an entry for the Light It Up contest on the grounds that a laser diode is a specialised form on light emitting diode. The Photon Printer started out as a quick weekend project then quickly escalated when I saw that there […]
Kinasmith wrote this instructable detailing how to build a compost temperature monitoring system, a web connected wireless sensor network: Why Measure the Temperature of Compost? “Composting is the biological decomposition of organic matter under aerobic conditions.” Micro-organisms consume organic material and oxygen and create heat as a waste product. By measuring this heat you can predict […]
@josephpcrabtree tweeted, “New learn-to-solder badges for @SoHaSMARTMaker. PCBs from @dangerousproto DirtyPCBs” This is a big day for any maker space when you learn to design and manufacture your own PCB. We are very proud of our circuit design and end result. We will use these in all of our Learn To Solder Classes going […]
Eric of ElectronicHamsters wrote an article detailing his Uber home automation project: garage door sensor, battery powered mailbox sensor or door monitor, multi sensor, laundry room washer-dryer notifier, prototype of dog tracker, garage genie and remote control, smart mouse trap. Project info at ElectronicHamsters project page. Check out the project instructables here.
Louis Rossmann writes: Here I diagnose a board that has issues on PP3V42_G3H which caused issues with the MCP, whose clock circuit is powered by PP3V42_G3H! I go through my diagnostic process and mindset, and follow from beginning to end as I resolve the problem. Via Hacked Gadgets.
@LuisMirandaAceb tweeted, “I started only with ATX PS and your breakout board but finally this is what I ended with… ”
Steve Schuler over at Science2.0 published a new build: A laser oscilloscope using Lego, littleBits, Erector set, and the Kano Computer Build a laser oscilloscope using Lego, littleBits, Erector set, and the Kano Computer. In honor of The International Year of Light I’ll demonstrate how use the Kano computer to drive a littleBits motor with an […]