[time-nuts] TAPR GPS Experimenters Kit
kd4pbj at gmail.com
Thu Jun 15 06:05:30 EDT 2017
Last night I measured the voltages on the serial lines with a DMM. The TXD coming from the GPS was a solid -5.9 V. The RxD was 0 V.
> On Jun 14, 2017, at 10:53 PM, Chris Waldrup <kd4pbj at gmail.com> wrote:
> Hi Greg,
> I'm using a 12 V 7 Ah gel cell for the power and have a small Trimble magnetic puck antenna connected just for testing.
>> On Jun 14, 2017, at 1:22 PM, Gregory Beat <w9gb at icloud.com> wrote:
>> What is your DC power source?
>> I used pin 7 (Black, DC GND) and pin 8 (Red, +8 to +32 VDC) ....
>> and old +12 VDC, 1 Amp Wall Wart for my build.
>> Sent from iPad Air
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