A Novel Passive Method for the Assessment of Skin-Electrode Contact Impedance in Intraoperative Neurophysiological Monitoring Systems | Scientific Reports
Alan Yates on Twitter: "Wow, a $315 speaker impedance meter is implemented like this? Series diode rail splitter and astable ~1 kHz square-wave source! Glad I found the service manual before I
Impedance Measurement and an Experimental LCR Meter - Blog - Raspberry Pi Projects - element14 Community