2 layers45.7 × 76.2 mm

SensReadPCB
bretthannigan/sensor-readout-board
Impedance analyzer board for versatile, high-speed, and distributed sensor measurement
80 parts
Boards in 1 GitHub repository, designed in KiCad, that use the LM6142AIM by Texas Instruments (-40℃~+85℃ 1.8V~24V 107dB 16nV/√Hz@1kHz 170nA 17MHz 1mV 2 30V/us 30nA 35mA 3uV/℃ 650uA Rail-to-Rail Input, Rail-to-Rail Output SOIC-8 Operational Amplifier). See how each wires it, with its parts, size, README and files; the LM6142AIM’s symbol, footprint and pinout are on its own page.

bretthannigan/sensor-readout-board
Impedance analyzer board for versatile, high-speed, and distributed sensor measurement