A clock design in a FPGA written mostly in VHDL. I have two designs available. Both are synthesized to a Altera MAX FPGA EPM1270T144C5, JTAG programmable, Quartus Design and simulated in Modelsim, but most of it will be portable to other FPGA's Currently there is a standalone clock in a FPGA written in VHDL blocks that can be synchronized with DCF77 and set manually.

A Renesas R32C/111 microcontroller in combination with highly efficient current sources is used to control high-power LEDs to form an extremely bright torchiere (a torchiere is a light source directed against the ceiling to provide indirect illumination).

This is an dream only at this stage, I am still a learner when it comes to electronics, I will need a lot of help to progress this project further. (I will also need the help of someone with an undertsaning of the legal world of patents Plase Let me explain... Cochlear has invented a terrifc...

Do you ever wonder what the status is of individual cells (AA or AAA) when several of these are connected in series like in many portable radios or toys?

from the lab (1-8-2013)We changed a few things to the original design. We removed the RS232 connecter and with it a MAX232A. In its place we added our Embedded Communication Connector (ECC), as a gateway module.

Im Artikel 071129 Power-LED-Driver-Modul (Heft 456, Dezember 2008) wurde eine Schaltung veröffentlicht die für ein LED Modul 50 W von Reichelt eine Stromregel- und Begrenzerschaltung enthielt. Um diese Module regelbar zu betreiben sollte diese Schaltung erweitert werden. Sie könnte damit an vorhandenen Lichtdimmern betreiben werden. Die Dimmstufe müsste auf den Stromausgang übertragenwerden.

By Michiel Ter Burg See also http://www.luidsprekers.org/STA/. The goal was not to build a super Hi-Fi amplifier, but to see if it would be possible to build a reasonable amplifier using standard transformers.

A simple circuit for quickly testing model plane servos. The pulse width is controlled with P1. The circuit can be powered from 4 NiMH cells.This circuit can also be used as a sort of power potentiometer. Published in issue 439, July/August 2013

Plane models, whether they are gas or electric powered, always rely on a 100% electrical transmission channel.Usually, the RF receiver and servomotors are powered by a 4,8-6V voltage supplied by a 4 or 5 cells NiMH battery. They are also switched on/off by a mechanical 2 positions switch inserted in series with one pole of the battery.

The EnOcean Unimodul measures the temperature of 4 DS18S20 temperature sensors and send the measured temperatures as EnOcean wireless protocols. The Unimodul contains also a thermostat functionality and send wireless control commands if the temperature of a channel will exceed the adjusted limits.

Funktionsbeschreibung von Modellblitzern: Der Doppelblitzer ist von mir dafür entwickelt worden, mit der Fernsteuerung über einen 3-Wege-Schalter am Sender folgende Funktionen an einem ferngesteuerten Flugmodell auszuführen: 1: Schalter hinten = Blitzer und Summer aus. 2: Schalter Mitte = Bli...

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Here is an article proposal that I feel would fit nicely in the summer issue, or perhaps before summer, as a solar panel charger is best used during the summer. The design has been tested as a prototype in our boat last summer and is now rolled into a more permanent design that I will install, come spring.

How often have you wandered around searching for a shop in a new Mall you are visiting or a ward in a large hospital? With the aid of GPS we have no trouble locating the facility, but once we enter the building we soon lose the GPS signal.

H-Term: Terminal for the serial PortZZ-Umrechner: convert bin to hex or decHyperCam: record your Desktop for Videotutorials.HxD-Hexeditor: open and edit all Data

 By Marco van Nieuwenhoven During the last months my freezer has stopped working 3 times resulting in a defrost of it's complete content. This project describes how I tend to fix it.

Able to drive a 400W brushless motor High current [20A - 40A] Small PCB (4 layers) CAN Connectivity Sensorless method to drive motor

This little extension board provides the Elektor Linuxboard with a single real time clock. The Elektor extension board for the Elektor Linuxboard has a real time clock and a display and additional I/O. If only a real time clock is needed this little extension is sufficient. It uses a DS1337. The chip has two output pins for alarms that can be configured in software.

How to debug on serial without a PC ? How to replace the 2x16 LCD on small systems ? With a VGA autonomous console !

Many people feed garden birds in the wintertime with seeds, nuts and peanuts. But when the temperature gets below zero degrees celsius, water freezes and the birds don't have drinking water anymore. So it is a good idea to put a small can with drinking water in your garden too and … heat it to keep the water liquid.