Prototype on Elektor PCB
It's always nice when a prototype works without any modifications! Okay, some corrections to the silkscreen needed, and I haven't tested the neon bulbs (points) between the digits yet (ran out of...
View Articleas I said.....
I shouldn't have said that I shouldn't have said that. There ARE issues with the ISP...Attachments:Â 2 photos | 0 schematics | 0 PCB(s) | 0 software files | 0 other 9151004640 read more
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Speed control for DC motors [140562]
140562-1v1.1 top view small.JPGDescription: This is a simple circuit without the use of a microcontroller for a change, but an A/D-converter (IC3) has been added to make control through a serial link...
View ArticleManual settings for time zone and daylight saving
Although the clock is automatically set to the correct time by the GSM module, there are some a few settings that can be altered manually.The first one is very easy: jumper JP1 determines if a leading...
View ArticleWhat about the switches?
The electronics and software a interesting but where do the switches come from or how are they made?petrus bitbyter Attachments: 0 photos | 0 schematics | 0 PCB(s) | 0 software files | 0 other...
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Webinar 22/10: IoT Security â The Elephant in the Room
etc_elephantroom50__01__630x420.jpgDescription: Beyond the world of security-conscious embedded engineers, outsiders often laugh at our security warnings about the Internet of Things. And yet an...
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Compact usb PIC programmer
DSCF2015_0.jpgDescription: This project is an optimisation of the existing Open Programmer project, where a more compact layout is proposed. No additional socked cards are needed. This All-in-one toy...
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Nixy : An elegant radio controlled Nixie Clock
default_project.jpg Author: | 0 contributions | 0 members | 0 comments | viewsThis Nixie Clock differs from most of similar projects. I found a solution to avoid interference to DCF77 receiver coming...
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SpuTel : A dtmf phone-controlled wireless commander
default_project.jpg Author: | 0 contributions | 0 members | 0 comments | viewsConnecting this equipement to the home phone line, you can send commands using the dual tone phone keyboard, in order to...
View ArticleOutput?
Where are the output/s?Attachments: 0 photos | 0 schematics | 0 PCB(s) | 0 software files | 0 other 9151004650
View ArticlePrototype in Elektor Lab
The schematics are almost identical to the original design of the author, with a few minor exceptions for the receiver PCB:1. added diode D1 for input voltage polarity protection2. changed the pinning...
View Articletranslation
translation into english would be very welcome,maybe a logging of the numbers and timestamp of the incomming calls,maybe via a link to a computer ? Attachments: 0 photos | 0 schematics | 0 PCB(s) | 0...
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Get 5V from one exhausted alkaline cell.
default_project.jpg Author: | 0 contributions | 0 members | 0 comments | viewsEvery day we throw away usable power alkaline cells. Since the device in which we use them can not work with partially...
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remake WiFi controller board [150402]
IMG_20151020_103125[1].jpgDescription: This project is a remake of the 120718 WiFi controller board. With this board you can control a ledstrip and 8 IO pins via an apdroid app or a webpage on the...
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RF Power Meter with 1MHz-10GHz bandwidth and 55dB dynamic range
20151022_200846.jpgDescription: What is itAn RF Power Meter is a device which you can use to measure the power a transmitter outputs. Why did I built itAttachments:Â 3 photos | 1 schematics | 2 PCB(s)...
View ArticleDoubt it will work
I did not analyse your circuit in detail but a quick scan make me doubt it will work. An almost empty 1.5V battery will not provide much energy anymore and I expect that all it can provide will be...
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Standard MIDI converter for USB-only MIDI keyboard
default_project.jpg Author: | 0 contributions | 0 members | 0 comments | viewsMIDI devices like inexpensive master keyboards are no longer fitted with the standard 6-pin DIN MIDI OUT socket. They have...
View ArticleEquilateral?
Not sure if I understand the principle here, but would it work with equilateral triangle sides with the balance wheel axel in the centre?If so, it could have a wider repertory of behaviour such as...
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The L-Board: T-Board Reimagined
gutter.pngDescription: I am a great admirer of the Elektor T-Boards, but the compromise these require has always bothered me. The long bar of the âTâ has to be kept as narrow as possible making for a...
View ArticleDetailed description
I call this structure an L-Board. It uses a two-row pin header on one side of a 10mm wide horizontal PCB and a single row header on the other. The pins on the inner row of the two-row header are...
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