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Elektor RS485 Bus- Füllstandsmessung / Nachspeisung
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goldelekt
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-Messung des Füllstandes mit zwei Sonden mittels Widerstandsmessung und Auswertung über ADC-Wandler. -Ausgabe der ca.Liter Menge (Voll=200 Liter /untere Sonde im Wasser=50 Liter /untere Sonde nicht im Wasser=leer-Ein / Ausschalten der 12V Tauchpumpen ueber Elektor Bus-Abschalten der Pumpe nach 15 min Betriebszeit
6098 views
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0 comments
dc motor driver
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a straightforward DC motordriver design, small, smart but efficient. Capable of driving dc motors from 12 to 24 volt, and up to 1000 wattschematis is finished and now for the pcb design.
11116 views
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3 comments
Versatile Switch Mode Power Supply PWM Controller [ 150100 ]
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Mickael.Delayen
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Although SMPS (switch mode power supplies) can take various structures (Buck, Boost, Flyback, Forward, etc.), they are always based o
7644 views
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5 comments
Published in Elektor magazine
Tabula: Trackable Tangibles on Multi-Touch Displays [160123]
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Lucky
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How to detect objects placed on a touch screen...
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audio traffic light [140082]
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Niek.Laskarzewski
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The audio traffic light is a straightforward circuit which tells you whether an audio signal is dangerous for your ears or not.
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CoCo-ri-Co! Guitar Tuner [150006]
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ClemensValens
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Because the CoCo-ri-Co Cool Controller Concept is a hexagonal board with a powerfull ARM Cortex M0 processor and a ring of LEDs, we thought that a 6-string guitar tuner would be a nice application for it. By adding an analog front-end and some clever software the LEDs can indicate how well the guitar is tuned.
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Guitar BoB [150382]
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ClemensValens
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A guitar input module for easy breadboarding. This project spun of from the CoCo-ri-Co guitar tuner.
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Wearable Devices - Post Your Ideas Here
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ClemensValens
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Forget the Internet of Things (IoT), wearable electronics will be the next big thing. Join Intel and become a market leader too.Post your ideas and projects here as a contribution (or on a separate page). The best ideas and projects will be taken to the next level. Publish in Elektor Magazine and see Lady Gaga wear your design!
7085 views
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8 comments
Interrogation lamp (or possibly a bicycle light) [140002-I]
by
Ian.Field
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On discovering that my previous design based on a blocking oscillator and diac strobe pulser was a bit heavy on the battery, it seemed about time to attack the problem from a different angle with an oscillator that is easier to tweak for the most favourable characteristics.
8190 views
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2 comments
ElektorBus C-library
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JN
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A C-library which "hides" the ElektorBus-protocols (ElektorMessageProtocol and ApplicationProtocol) and makes the actual bus-application-code running on a microcontroller-node hardware-independent. Furthermore, this ElektorBus-library is hardware-independent itself.
5612 views
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0 comments
433-MHz Modules for Telemetry and more [130023-I]
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Hedwig Hennekens
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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.
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Tweeting freezer [130149-I]
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mvnieuw
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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.
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Elektor RS485 Mini Busknoten Temperatursensor [130468-I]
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-Temperaturmessung mit 1-Wire Sensor DS 18S20-Attiny 45 zur Anpassung an Elektor Busprotokoll-Anschluss & Auswertung von 4 Sensoren möglich
7232 views
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6 comments
Arduino Nunchuk Shield [130267-I]
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An Arduino shield to connect 4 Nintendo (TM) WII Nunchuks In V0.8 there was a Bug. The supply for the Nunchuk must not be connected to 5V!
5067 views
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2 comments
USB-DMX Scene Controller
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rjv
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This device contains a USB-DMX converter (isolated) and a small memory chip. Make your scenes on your computer with Freestyler, and upload the file into this device.
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3 comments
12/24V Verteilerpanel für Wohnmobil, Wohnwagen, Hütte
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Wie wärs mit einem universellen Verteilerpanel, um diverse (z.B. Solar-) Gleichspannungsversorgungen sicher zum Verbraucher zu bringen. Ein Eingang für die Akku's und 5 - 10 Ausgänge die mit zentraler sowie individueller Ein-Aus Funktion, elektronischer Sicherung, Unterspannungsabschaltung sowie LED-Statusanzeige versehen sind.Ein paar Grundideen:
3671 views
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Monitoring d'aéromodèles avec ANDROID
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abiz
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20 august 2012 : from nowdays ... discussion will be in English +++++++++++++++++++++++++++++++++++++++++++++++++++TODO : translation of pertinent existing texts to EnglishNext posts will take place from here +++++++++++++++++++++++++++++++++++++++++++++++++++
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23 comments
Universal AC to AC convertor with PFC
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This is a concept for an AC powered, isolated AC generator with a PFC in front.The aim is for a 750VA to 1000VA output. The concept is for a multipurpose device. You could use it to connect mains polluting devices that use Thyristor dimmers or peak rectifiers.
5345 views
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5 comments
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Latest comments
Bunitu
2 hours ago
Exactly!
Simple USB/Microcontroller Module
R. Hesemann
5 hours ago
https://www.rollerfischer-trafo.de/home.html wird als 110V Ausführung wahrscheinlich günstiger !
HV Power supply with tube and semiconductor curve tracer
KenArton
8 hours ago
Attachments
Pulsar DDS Function Generator with ATMega328
Thomas Bunge
9 hours ago
The trafo will cost 280EUR at audioelektronik-shop.de. Just got an offer. Delivery 14days. 230V... I have found a better option https://tube-audiodesign.hpage.com/netztrafos-ac-transformers/hochvolt-transformatoren.html#top waiting for an official offer, but will be in a range of 80EUR for a 220VA RK Trafo! Will come with 115/230V primär and has ~10days delivery.
HV Power supply with tube and semiconductor curve tracer
ElektorLabs
13 hours ago
Version 1.4 is released and now using the ArduinoJson 6.x Best Regards ElektorLabs
ESP32 Weather Station (180468)
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