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emonTx With Solar and LCD PUBLICUses variable OpAmp gain on current signal, phase shift using circuit filtering and software filtering. Zero crossing detector for interrupt based code. See http://openenergymonitor.org/emon/node/1002... by stuart | updated October 11, 2012 |
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Capacitive p.t. bootstrapped PUBLICby stuart | updated September 19, 2012 |