4 layers49 × 80 mm

70MHz Soil Sensor
jhns-de/70MHz-Soil-Sensor
Soil moisture and electrical conductivity (EC) sensor based on 70 MHz impedance measurement, developed as part of my master’s thesis.
130 parts2
Boards in 1 GitHub repository, designed in KiCad, that use the ADA4857-1YRZ-R7 by Analog Devices (Enable/shutdown function SOIC-8 Operational Amplifier ROHS). See how each wires it, with its parts, size, README and files; the ADA4857-1YRZ-R7’s symbol, footprint and pinout are on its own page.

jhns-de/70MHz-Soil-Sensor
Soil moisture and electrical conductivity (EC) sensor based on 70 MHz impedance measurement, developed as part of my master’s thesis.