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by Steve001
Sun May 22, 2011 8:50 pm
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Re: Custom E-Blocks

saw this and thought i would add one of the boards i made. it has 16 x 1k pots for analougue inputs which are switchable in and out of circuit. 2 x 1k 10 turn pots (on on each block) for detailed testing and calibrating of the inputs all with test points to test the voltages. However with a quiescen...
by Steve001
Thu Aug 11, 2011 7:23 am
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Re: Crystal selection advise required please

Hi John,

Looking for 150 C the LM58, is simlar to the LM35 but higher temp

Steve
by Steve001
Thu Sep 15, 2011 9:42 pm
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multiprogrammer suggestion

Would it be possable to add an power on / off switch ?
to save on plugging and replugging in the power connector

steve
by Steve001
Sun Mar 13, 2011 11:32 am
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Re: EVERBOUQUET - MC1604B-SBLW - LCD MODULE

i am wanting to use some of the prgramed character patterns that are in this display. looking at page 13 of the manuel how do i send the up arrow to my display ? I.E hex code 5C ? i have also attached my circuit diagram that i am using as sombody on here wanted a 4 line display data sheet wouldnt up...
by Steve001
Sat Dec 17, 2011 9:34 pm
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Re: Elektor Live & Element14 Wireless LAN & Twitter

there is this item , , don't know much about it but maybe worth a look . http://www.radioworld.co.uk/catalog/8681-wss_spare_wind_speed_sensor_with_cable_for_w-8681-p-6610.html and i have a friend at work that has built his own weather station i will ask him monday on how he measured wind speed. steve
by Steve001
Sun Dec 18, 2011 5:28 pm
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4 x 20 Line LCD Dispaly

I have noticed several posts about people wanting a 4 line LCD Display and how to make one. This is how I went about it: I needed a 4 line x 20 display for a project.. see below. Parts List 1 x EB 017 Patch Board Kit 1 x 167-1507 LCD MODULE 4 X 20 (Farnell) 1 x 960-8257 0.5w Trimmer 63MT (Farnell) O...
by Steve001
Mon Dec 19, 2011 11:14 pm
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Re: Elektor Live & Element14 Wireless LAN & Twitter

Re Wind Speed sensor Spoke to my friend at work on how he measured wind speed, what he was using and how he did it. he has tried several of the cheaper anemometers and has had issues ranging from seized bearings, water ingress via cable access holes,and damage from a magpie trying to sit on it. he h...
by Steve001
Wed Dec 21, 2011 9:08 am
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Re: Tell us about your projects...

This is one of my flowcode projects Hope this is ok as this project is still under development and undergoing testing. PLEASE DELETE IF NOT SUITABLE After a premature battery failure on an ups system the idea for this project was born . . . After 30 days a relay contact energises which breaks the ma...
by Steve001
Thu Dec 29, 2011 4:22 pm
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cat 5 lead Tester

there are many types of RJ45 Network lead and they come in many different configurations, this can be very frustrating when looking for the correct one is it is difficuilt to tell them apart. It tests for the most common types 4,8 wire patch leads 4 ,8 wire Xovers ,cisco patch leads, Ethernet ecomis...
by Steve001
Wed Jan 04, 2012 9:53 pm
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Re: is this fcf efficient in keeping time

Hi Brandon, I have made a project that uses a clock to test things, I am using a Xtal of 2.4576 MHz So far it's not too bad at keeping time :D but then again clock accuracy is not that much of a issue in my project have a look here http://users.tkk.fi/~jalapaav/Electronics/Pic/Clock/index.html#xtal ...
by Steve001
Sat Jan 21, 2012 10:26 am
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IE Spell Check

Morning all,

For all of you that have spelling as bad as mine :) this add in for internext explorer is fantastic .
ieSpell is a free Internet Explorer browser extension that spell checks text input boxes on a webpage.


http://www.iespell.com/download.php

Steve
by Steve001
Sat Jan 21, 2012 1:53 pm
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Re: Look-Up Tables Tutorial

Thanks very usefull topic

steve
by Steve001
Tue Mar 13, 2012 9:06 pm
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Re: DesignSpark PCB

found the catch . . when you goto make the board its MASSIVE !! 1750 x 2000 mm and this cannot be changed in the free version.
have gone back to using eagle from cadsoft .

steve
by Steve001
Wed Mar 14, 2012 1:55 pm
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Re: PCB layout and schematic software

http://www.vutrax.co.uk/ free version limit 256 holes price list here and limiations (old) http://www.vutrax.co.uk/pricing.htm Vutrax is not the best & not intuitive in any way. I used it back in 1998 & it hasn't changed much since. There are better systems out there in my view the symbol li...
by Steve001
Thu Apr 12, 2012 8:25 pm
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Re: More advanced LCD Four Digit Door Lock.

Hi Martin, this is somthing that i have been thinking about for a while now, after seening a few electronic locks on my travels i have thought of having a go my self at them but have not had the time :( here are a couple of ideas using the RFID EBlock, keypad, ethernet pcb. The user presents the RF ...
by Steve001
Sat May 12, 2012 6:32 am
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proto type pcb for 40 pin ic's

Prototype PCB 40 way Here is the schematic and the .sch file (again crompressed with 7 zip) not had chance to route the pcb yet These PCB’s are all very Similar in design and allow for 3.5 or 5 volt dc operation With a 9 way socket to allow an eblock to be fitted if required. With a prototyping area...
by Steve001
Fri May 11, 2012 8:05 pm
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proto type pcb Expansion

Expansion PCB This PCB is designed to provide extra proto typing space for the 18,28,40 way Proto type PCB’S (40 way item is not completed) but goes on same lines as 18 & 28 way item, The PCB connects to the other pcbs via a ribbon cable fitted with IDC Dill Plug Farnell part number 1565532. The...
by Steve001
Tue Jun 12, 2012 9:24 pm
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Re: Current sensing.

Hello Uli, Ther are also these... http://uk.farnell.com/lem/hx-05-p-sp2/current-transducer/dp/1617420 Or From LEM http://www.lem.com/hq/en/component/option,com_catalog/task,displaymodel/id,64.79.08.002.0/ Have used LEM Stuff before they are very good , Hopefully there is a supplier in your country. ...
by Steve001
Sun Jun 17, 2012 9:04 am
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Re: Light sensor for dimming LED display.

Hello Uli [quote="Creative25"] I have no Idea what 4-11kilo ohm at 10 Lux means, does it mean Bright light? Lux indicates how well the surface area of an object, wall or floor is illuminated at some distance away from the source 10 lux is very dark a typical office is between 500 and 750 l...
by Steve001
Mon Aug 27, 2012 6:13 pm
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Re: R-2R Ladder DAC with Potential Divider

Hello, Just a suggestion, have you looked at digital potentiometers . . I have used the intersil one in one of my projects and was happy with it http://ww1.microchip.com/downloads/en/AppNotes/00219.pdf http://uk.farnell.com/intersil/x9c103pz/ic-digital-pot-10k-9c103-dip8/dp/1208129?Ntt=120-8129 http...
by Steve001
Wed Aug 29, 2012 10:47 pm
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Controlling a LCD Display with a digital pot

I have used in one of my projects the above display and digital pot so that the user can adjust the screen contrast via push buttons. The X9C103PZ is digitally controlled potentiometer. This device consists of a 99 resistor Array, wiper switching network, a control section, and non-volatile memory. ...
by Steve001
Mon Jun 11, 2012 6:49 pm
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Re: Current sensing.

Try this one http://proto-pic.co.uk/acs712-breakout/ I beleve that this is the one that john used in his project or there is this adaptor-soic-to-dil-8way depends how confident you feel on soldering tho (bit expensive i know) http://uk.farnell.com/aries/08-350000-11-rc/adaptor-soic-to-dil-8way/dp/11...
by Steve001
Wed Sep 19, 2012 6:20 pm
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Re: Current sensing.

Is that suitable for commercial products for current metering or even energy metering? there is a application note on microchip site http://ww1.microchip.com/downloads/en/AppNotes/01291a.pdf?from=rss and another one here http://dev.emcelettronica.com/single-phase-energy-meter-solution-using-mcp3909...