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8 TRANSISTORS AM RADIO
radio am de 8 transistores.jpgDescription: English:There is no greater satisfaction in life than to enjoy the things done by oneself, unlike buy them already made. Not only for having the satisfaction...
View ArticleIn the Elektor Lab...
We picked up this project in our lab to design a small PCB for it. Unfortunately we can't find a (regular) source for the Li+-charger IC that Laurent uses in his original design, he suggested to...
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Voltage Tracker for Oscilloscope
vtop.jpgDescription: My Digital Oscilloscope has a timebase of maximum 50 seconds per DIV and a 12 DIV screen, which gives a mere 10 minutes for following a voltage. Much too fast to track charging or...
View ArticleScheme debugged
You are right, the flip-flop input must be inveted. Its done now on the electrical scheme. The PCB is to be completed.How does this circuit work ? The 2 channels (U4a) and (U4b) are...
View ArticleScheme debugged
You are right, the flip-flop input must be inverted. Its done now on the electrical scheme.How does this circuit work ? The 2 channels (U4a) and (U4b) are symmetrical.Attachments: 0 photos | 0...
View ArticleProject finished
We also added 6-pin header K2 to the PCB to make in-circuit programming of the PIC16LF1847 possible, the pinning of this connector is identical to the PICkit2 and -3 connector.Attachments: 0 photos |...
View ArticleProject finished
We also added 6-pin header K2 to the PCB to make in-circuit programming of the PIC16LF1847 possible, the pinning of this connector is identical to the PICkit2 and -3 connector.Attachments: 0 photos |...
View ArticleSource code for main board
I'd be interested in building some of these for our local amateur theatre group. Is the MPASM file available ?Thanks,Bill.Attachments: 0 photos | 0 schematics | 0 PCB(s) | 0 software files | 0 other...
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Fun with NFC
140177-51.jpgDescription: In this webinar we willl show you how easy it is to create a contactless connection between your own circuits and your smartphone. Attachments: 0 photos | 0 schematics | 0...
View ArticleIt works
We finally gave the board a try and it appears to work fine. Attached is a 16 MB file that the board produced. It is zipped so that it could be uploaded to Elektor.Labs.Attachments: 0 photos | 0...
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Low Cost RTC BOB
20150426_095906.jpgDescription: This is a Low Cost I2C RTC board I created for a different project recently. This RCT (MCP7940M) has no Battery backup and is meant to be integrated in "permanently"...
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140571 Active 3way crossover for speaker system
First_prototype_140571-1_v1.0.JPGDescription: Designed by A. Rosenkränzer This 3-way filter is originally designed in conjunction with the power amplifier we published earlier (130007-1). Attachments:...
View ArticleThe atmel_devices_cdc.inf doesn't work under WIN8.1
Have tried to install the device driver atmel_devices_cdc.inf but is rejected. See error message in attached file. Has enybody a solution? Have looked in the internet and simular problems are...
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150169 Midi Analyzer Light
Prototype of Midi Analyzer Light 150169-1 v1.0.jpgDescription: This circuit is basically not more than a DIN5 socket connected to our ECC bus to monitor and analyze midi signals. A second DIN5 socket...
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Raspberry Terminal with an iPad or an Android Tab
default_project.jpgDescription: Our Raspberry needs a screen and a keyboard. Why not use an iPad or an Android Tab. If your Raspberry is in text mode, then we will exchange the text with Bluetooth Low...
View ArticleNew firmwares
Over the past evenings I have ported Atmegadrum (see also main post), Atcyclotron and Delayertron to the J2B Synthesizer. Watch the tutorial videos here to see what you can do with them. The...
View ArticleI am trying to develop a battery checker too
I am trying to develop a battery checker too. A new magazine (other than Elektor) in France edit alo such a checker, but very much simpler . . . .Show us your scheme and software !Attachments: 0...
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I2C frequency counter
default_project.jpgDescription: Hi, I had the problem of making a ferquency counter but the component does not work. Why not use a microcontroller (PIC) with I2C port to achieve this frequency counter...
View Articlevideo
Hi Jennifer,Maybe you can use Bluetooth streaming audio mode for transfering simple graphics? Or use some kind of vector description language like SVG to transfer images?Regards,ClemensAttachments: 0...
View ArticleUpdated version 1.1 of Power meter 140409-1
While developing software for the power meter (by Luc Lemmens) we encountered a problem with the maximum sample rate of the A/D-converter. In free running mode we can use the maximum sample rate of 860...
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