6 layers22 × 30 mm

Rtl2832u r820t
taskx6004/rtl-sdr_m2e-minimum
Minimum hardware design for RTL-SDR in m.2 key-e form
75 parts28
Boards in 2 GitHub repositories, designed in KiCad, that use the ESD701DPYR by Texas Instruments (X1SON-2(0.6x1) ESD and Surge Protection (TVS/ESD) ROHS). See how each wires it, with its parts, size, README and files; the ESD701DPYR’s symbol, footprint and pinout are on its own page.

taskx6004/rtl-sdr_m2e-minimum
Minimum hardware design for RTL-SDR in m.2 key-e form

ErichZimmer/OpenSync
An open source synchronizer for velocimetry of fluids.