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Latency

How are you planning to check the PPS signal? 10 ns corresponds to 100 MHz. Aren't you afraid that interrupt/MCU latency will be worse than the precision of the PPS signal, making accurate control...

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I cannot configure the IP address of the board

I run ISLraw and see the MAC address of my e-lock board. Clicking "Set remote IP" has no effect. Any clue? Regards.Dominique.Attachments:  1 photos | 0 schematics | 0 PCB(s) | 0 software files | 0...

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Nixie thermometer/hygrometer wireless sensor [120586]

main.jpgDescription: This is an update of the Nixie Thermometer/Hygrometer (110321-I) published in the June 2012 issue of our magazine. In the original design a small SHT21 sensor carrier PCB was...

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RpiIoView: A Raspberry I/O viewer

elektoricon.pngDescription: Raspberry Pi Input/output viewer.Attachments:  8 photos | 0 schematics | 0 PCB(s) | 0 software files | 0 other 9150304427 read more

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FPGA DSP radio for narrow band communications

default_project.jpgDescription: I am working on a complete transceiver for narrow band SSB/CW (and possibly also AM and FM) on shortwave and/or VHF (amateur radio bands) based on signal processing in...

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IoT Remote power switch

default_project.jpg Author: | 0 contributions | 0 members | 0 comments | viewsUsing a Ethernet seeeduino and a wired network, it will get an ip address and display it on a OLED display. Using this...

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SVG is the way forward!

Hi malcolm,SVG is definitely giving web-based displays a new impulse, but the implementation is still buggy. On my PC running Windows 7, in Chrome (40.0.2214.115 m) the images are cut, in IE...

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Firmware deleted by false setting jp3

Where can i download the firmware to e-lock "ISLSecFile.S19" ?Attachments:  0 photos | 0 schematics | 0 PCB(s) | 0 software files | 0 other 9150304431

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Night light with brightness control

NIIGHT_LIGHT_2.jpgDescription: I present a practical circuit to illuminate hallways or rooms overnight.Warning: This circuit is directly connected to the line.  It is highly recomended to be careful...

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Messwandler zur potentialfreien Strommessung für Oszilloskope

A_DSC07471.JPGDescription: Einleitung zum Projekt:Attachments:  8 photos | 2 schematics | 0 PCB(s) | 0 software files | 0 other 9150304433 read more

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Software?

Can you please post the software for your clock?Regards,ClemensAttachments:  0 photos | 0 schematics | 0 PCB(s) | 0 software files | 0 other 9150304434

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High Z

I see it gets a rather complicated schematics if you have an 8 bit bus to convert. Would the SN74LVC245A "octal bus transiever with 3 state outputs" work for you. Is has a rise time of 6.3ns at 3.3V...

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T-Board Audio Amplifier [150002-1]

Dscn4183.jpgDescription: Up until now we only had digital T-Boards. Why not an analog one? We asked ourselves what could be a useful circuit when experimenting with an analog design. First thought was...

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Issue regarding the ISLElektor software

Hi all,   I've an issue, that seem easy to solve, but after many try, and read I can not find the solution. Maybe could you help me....So I've 2 Elock cards, and I've followed the documentation to...

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Window actuator and fan control

There's not much extra hardware needed to control the window actuator and fan for our ventilation system, hardly enough to design a tailor-made PCB for the second part of this project. That's why we...

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Timer

p4.JPGDescription: Remember this one (p1)?Attachments:  5 photos | 0 schematics | 0 PCB(s) | 0 software files | 0 other 9150304439 read more

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Full config process

As I've encounter several issue while trying to configure the E Lock card, I've created this document, discribebing all steps (from generating keys to connect to the card).I hope that will help you....

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From the lab: 12way QTouch keypad for ECC

We expanded the circuit to 12 keys. This takes a different processor with at least 24 I/O lines. A processor that supports QTouch and has this amount of I/O lines and more is the ATmega324P. It has 32...

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E-Lock python 3.4 API

Hi, In order to use the E-Lock card, I've started to develop an API for Python 3.4.1 It is a very simple API, that can open & close a connexion with the ELock, set the relays state, set temperature...

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distributed wireless timers

Hi Branchy,I think there is always room for timers and timer projects. However, the success of such a device depends on its ease of use. These mechanical timers you mention are extremey cheap and easy...

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