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Raspberry Pi mit Camera als Türsprechanlage
default_project.jpgDescription: Ein Raspberry Pi mit Camera und einem laufenden Stream Server (crtmpserver) streamt die Bilder von der Camera in das lokale W-Lan und jedes Smart-Phone oder Rechner mit...
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Feuchtegesteuerte Kellerlüftung
default_project.jpg Author: | 0 contributions | 0 members | 0 comments | viewsDas Projekt dient dazu, einen Keller Feuchtigkeitsgesteuert zu belüften. Der Keller hat eine dichte Tür, ein Fenster sowie...
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Mesure du niveau H2O
default_project.jpg Author: | 0 contributions | 0 members | 0 comments | viewsMon projet est de construire un Boîtier pour mesuré le niveau d’eau dans des cuves de récupération d’eau de pluie. Buts :...
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Embedded Data Logger with VPN
default_project.jpg Author: | 0 contributions | 0 members | 0 comments | viewsRaspberry Pi Version A with UMTS-Surfstick. Raspbmc as operating system and OpenVPN Client running on Raspberry Pi. OpenVPN...
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Locate phone with 3 wifi terminals
default_project.jpg Author: | 0 contributions | 0 members | 0 comments | viewsBluetooth does not have enough scope in a building. I propose to set up wifi 3 terminals on the sector and determine the...
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LED-Uhr
default_project.jpg Author: | 0 contributions | 0 members | 0 comments | viewsHallo, in VB6 habe ich eine LED-Uhr verwirklicht --> das ist auch in Hardware möglich. Die Zeiger werden mit verschieden...
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Hallo,die beigefügte EXE-Datei verändert die Zeiger im Sekunden, bzw. Minutentakt. Für eine überschlägige Zeit reichen aber Veränderungen alle 5 min aus.Mit freundlichen GrüßenFriedrich Weigand...
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Interrogation lamp (or possibly a bicycle light).
default_project.jpgDescription: A discrete component (and therefore scalable) replacement for the house coded TO92 style chip that boosts the voltage in a 2D LED flashlight. There is a prepared article...
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Quick & dirty nickel battery conditioner.
default_project.jpgDescription: An elegantly minimalist circuit to pulse charge nickel chemistry batteries, uses a zero-crossing detector to generate narrow discharge pulses which are claimed to "shake...
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19 in a box
20131003_181628.jpgDescription: ELWMS 2.0, with new hardware an additional functions: - Buzzer was added for sound indication (High, low) - Higher output frequency up to 4 Mhz - USB-Uart (transmission...
View ArticleOK, but why?
Why do you want to do this? To locate a person in a big building?Do you mean that if Bluetooth would have a bigger range, you would have done it with Bluetooth?FYI, we published an informative article...
View ArticleHow can I find the app?
Hi Jennifer,Cool! How can I find the app? Can I use it on an iPad? Android app?How about turning this into a small weather station? Temperature is one thing, but pressure & humidity may help you to...
View ArticleSoftware plus additional pictures posted
Received the first batch of PCBs just before the new year and managed to get some testing done. Turned out that while the breadboard design, with an PDIP part, rev 06 ran fine with an 8MHz SPI clock...
View ArticleBill of materials
A bill of materials with manufacturer part numbers and Mouser numbers is enclosed.Attachments: 0 photos | 0 schematics | 0 PCB(s) | 0 software files | 1 other 9140100000
View ArticleProject finished...
Finally the project is finished in the lab. We did change most of the component references when we redesigned the schematic and PCB. In the ZIP you'll find all documents, including the BOM, the...
View ArticleFrom the lab: our findings
We build the circuit using the authors PCB design. It’s very compact. The diameter of the PCB is only 57 mm. If you don’t want to modify the software then the space for the ISP connector K1 can be left...
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Loudspeaker Measurement System
default_project.jpgDescription: MEASSY- a 'measurement assistant' for the loudspeaker DIY enthousiast. Everyone developing loudspeakers knows about the hassle when it comes down on measurements. Ton's...
View ArticlePCB revision to V1.2
We have been informed that the published PCB V1.1 has safety issues around the opto-couplers. We have corrected these problems and hereby present you our new design V1.2.Sorry for the incovenience...
View ArticleHmmm... need help posting?
Hey Ian, this is Jaime at Elektor.First of all, thanks for the contribution!Maybe I can give you a hand posting the text, just upload it here under "other files", or send me the file to:...
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Connect a USB keyboard via Bluetooth to a computer !
default_project.jpg Author: | 0 contributions | 0 members | 0 comments | viewsFunny idea that this girl to plug a USB keyboard on Bluetooth ?? A colleague uses her laptop, a MacBook, with a screen...
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