Boards in 1 GitHub repository, designed in KiCad, that use the REF35250YBHR by Texas Instruments (-40℃~+125℃ 0.7ppmrms 10mA 10ppm/℃ 2.5V 2.75V~6V 3.3ppmp-p 650nA Series ±0.05% DSBGA-4 Voltage Reference ROHS). See how each wires it, with its parts, size, README and files; the REF35250YBHR’s symbol, footprint and pinout are on its own page.
esl-epfl/X-MODs
Modular hardware platform based on the RISC-V X-HEEP family architecture developed at ESL, targeting ultra-low-power consumption and miniaturization, facilitating the creation of wearable devices for clinical trials