In this project we will do an automatic door lock system using a 4×4 keypad and servo motor controlled by Arduino. Our password: “123”.
Code listing is here, on Arduino Door Lock Using 4×4 Keypad and Servo Motor
A new Open Source Board for Linux: this time from Element14. The RIoTboard is an open source platform based on an i.MX 6Solo applications processor, using an ARM® Cortex®-A9 architecture. The platform is ideal for Android and GNU/Linux development and is designed for and supported by a community of Design Engineers and Application Developers. The…
CubieTech’s two new CubieAIO sandwich style boards appeared on the CubieTech website earlier this month: the now shipping CubieAIO-S700, as well as a CubieAIO-S500, which does not yet appear to be for sale. Like the CubieAIO-A20 (an Allwinner A20-based SBC) and all the CubieBoards, these are open source boards, but they use Einstein-branded computer-on-modules in…
A great open source hardware project dedicated to guitarists! Guys at ElectroSmash just released 1WAmp, a guitar ampli with extended features. Here they are: It consists of a JFET based pre-amplifier, a Big Muff Pi a.k.a BMP based Tone control and an LM386 power amplifier. The dual JFET pre-amp provides tube-like sound, the BMP provides…
Nixie tubes are, of course, an elegant display method from a more civilized age, but actually powering and controlling them can be a challenge. This can mean a great project and learning opportunity, but if you’d rather just skip ahead to programming these amazing lights, then Marcin Saj’s IN-2 binary Nixie clock is definitely…
Instructables user MusaW has recently released a detailed guide to create a four leg (quadruped) robot using SG90 servo with servo driver and all controlled using WIFI Web server via smartphone browser: the total cost of the robot, including electronics and 3D printed components, is around US $55. There is a lot of NodeMCU variant in…
Ultra Low cost 4 Channel 300KS/s Oscilloscope – Arduino compatible and designed to complement the DIY test bench while being affordable. The kickstarter campaign went off with a bang, nearly 200% funded and still 11 days to go. If you are a DIY electronic maker, you can’t miss a nice oscilloscope for less than $30….
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