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Peter Stuge peter at stuge.sechoukoumoun wrote: >>> anyone has a solution for connecting to power directly to the >>> battery connector by usb? >>> >>> I thought used a 3.7V zener diodes in parallel between the - and + >>> USB power and a series resistor. >> >> I've used LP3874. You'll need a fair bit of capacitance in order to >> transmit. > > Nice !!!! > How you connect? I designed a PCB with a battery contact and a case to hold it in place. I've seen several people solder connections permanently to the phone. > it was just the power connect to a USB port and trasmition and > another connection. I don't understand this. //Peter