I have been extending my range of inputs to the CurrentCost, Ardunio, Xport pachube logger.
In order to do this I wanted a wireless sensor module.
After looking round I chose the FIO, has an XBEE socket and ATMega168, very little else. Can be powered from a rechargeable LiPo battery.
The next step was to look at the [...]
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This is the current state fo my home monitoring system. I am working on integrating a camera (pictures visible on a web site), sms and email. The code I have been developing for my Current Cost meter updating to Pachube via Arduino with XPORT is ready for sharing. Built to circuit and connected it all up. Bluetacked reed switch to meter and board + cc dev board + 2 AA batteries into small container. CurrentCost meter connect to Pachube via Arduino. In order to try and get some idea of energy usage and comparison with the electricity usage I am logging KW. The calculations [...] When the switch opens the falling edge will cause a negative pulse on the 4013 input. The diode removes that negative pulse. Input to 4013 without diode – one pulse (on/off) – zero volts is the centre line. The signal goes negative to minus 1.44 volts. Positive pulse comes from direct connection to +3 volts, negative [...] Here is the final circuit I will use, the resistor and capacitor values give a time constant of about 0.5 sec – I’m sure many other values would work but I have these ones in my box. This is the CurrentCost development board. Note the 10 pin programming header – the leftmost pins are at 0V the rightmost at the positive supply voltage. I have attached a wire to the anode of the led. This is my gas meter – there is a cut out at the bottom right of [...] @MartinDix from CurrentCost kindly sent me a dev board so I could interface other feeds to the CurrentCost meter. After some experimentation this is the circuit I intend to use. I have not yet fully finalised values of components but it seems to work pretty well on the breadboard. Note my dev board is version [...] |
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