Measurement setup: Charger Doctor output voltage into DMM7510 in 2-wire mode. Even though the swing is minimal (7.5mV), it is enough not to allow my iOS devices to charge or my Raspberry PIs to run reliability.
Read more at:
http://www.whiskeytangohotel.com/2015/08/keithley-dmm7510-monitors-charge-doctor.html
See other projects at:
whiskeytangohotel.com