Electronic Live Capture Mousetrap
A mousetrap is a type of animal trap specialize to catch small animals, particularly rodents like rats, mice, hamsters, etc. This project is a kind of mousetrap that is intended to keep a captured animal alive. In this way, the hunter can release the captured animal later to the...
Continue ReadingMakerarm – The first robotic arm that makes anything, anywhere
Makerarm just lauched on kickstarter. It's a penknife for the DIY world, it can make almost anything by changing the toolhead! A complete digital fabrication system for makers everywhere: 3D print, laser, carve, plot, assemble, pick/place + more on your desktop! Makerarm works...
Continue ReadingThe femtocell technology
by Slovati @ dev.emcelettronica.com: Femtocells are basically low-power wireless access points that operate inside licensed frequency bands for connecting standard mobile devices with a provider’s network, using a broadband connection such as the DSL or a cable connection...
Continue ReadingFastest, highest-resolution DLP chipset for 3D print/lithography
by Graham Prophet @ edn-europe.com: With its latest micro-mirror-based light-steering chip, Texas Instruments says, applications developers can innovate with more than 4 million micromirrors to enable high throughput digital imaging applications. Presented as its highest speed...
Continue ReadingProgrammable Home Security Alarm System
In this project we design low cost high performance programmable home security system using few LDR’s as an input sensors. When above sensor(s) get triggered system may dial the user specified phone number (using build-in DTMF generator) and activate the high power audio alarm and...
Continue ReadingSingle Channel SMD Relay Driver
Single Channel Relay Board is a simple and convenient way to interface a relay for switching application in your project. Specifications Input supply 12VDC @ 42 mA On Board 5V Regulator provides 5V output Output SPDT Relay Relay specification 5 A...
Continue ReadingOpen Inverter, an open source micro-solar inverter
Ken Boak has been working on an open source micro-solar inverter project: We wanted to make a design that uses readily obtainable N-type FETS and an Arduino (more strictly a ATmega328P-PU on a breadboard) to generate the PWM signals and provide simple circuit protection, and load...
Continue ReadingLiFePO4 charger
Markus Gritsch shared his LiFePO4 charger project in the forum: Since I really like using LiFePO4 AA and AAA batteries in some of my projects, I finally gave in and built a dedicated charger for them. Previously I used a lab power supply to mimic the constant current/constant...
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