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I'll give it a try. The cat cable, i used the blue and blue/white pair

I used the following schematic ( http://www.hetgrensland.be/IMG_0621.JPG ) for my dual counter. (i use this 2 times, so 4 counters in total) The strange thing is the following: I have 3 watermeters with pulse (reed contact) (aquatel), of which 2 are already connected, and 1 wire ready to connect a s...

this sounds like a solution! however, my experience on electronics isn't so great.... so i am not so sure what circuitry i need around it...
can anyone help with a scematic?

in my new house i installed 3 watermeters from aquatel, wich have a pulse connector. Normally the reed contact is open (no connection), but when the magnet passes the reedcontact closes.(connection) (and could stay closed when the meter stops on the magnet). I tried connecting this sensor between th...

Thanks for your answer. However, i seem to have a very strange problem... even the original schema will not work anymore. I started measuring the voltages between gnd and some point, but i get confused... the voltage after the detector (of cny70) is infuenced by R3? eg: i measure something like 1.7V...

A while ago i constructed a 1wire counter interface, based on some scematics from this forum. When i test it with a reflecting surface in front of the CNY70, it works fine. But when i place it in front of the last digit of my gasmeter (the one with the reflecting 6), it just does not work. Sometimes...

I tried the layout from the first post, but i do not get any ticks...
When i hold the cny70 under a light i do get an increase (tick).
Does anyone had this problem too?

sorry to keep bothering you, but should the emittor or collector of the BC547 be connected to the DS2324?
thanks!

to connect the 2 boards, does it matter how the BC547 is orientated. I suppose you remove the reed contact and connect the bc547 directely to the 2 pads. Should the emitter be conencted to the the signal side of the ds2423? ro is it the collecter that provide the "low-going" pulse? Thanks ...

sorry to kick this old topic, but i was wondering: there are differences between the 2 proposed schema's. I know that one is completely battery powered and the other 5V powered. Is the 2006943437_gas-schematic.jpg correct? (full dot means connection between crossing wires? and the second diode (left...

Thanks for the fast reply! In our current (rent)house, the elec meter is a simple dual (day night) ferraris meter (black with the turning wheel) In the sealed box, there is an Enermax Ro5S device for switching day/night. On this there is also a flashing led. I am wondering if I could use this led to...

Just like a lot of you, i would like to start monitoring my elec/gas consumption. I looked at the soldering schemes and its relatively clear how it is done. I have just 2 more questions that some of you may know an answer to: <ul><li> the electricity meter has day/night function: how do you know wit...