4 layers70 × 43 mm

USMU v10
joeltroughton/uSMU
Credit card-sized, USB-powered 4 quadrant source-measure unit hardware and firmware
137 parts187
Boards in 2 GitHub repositories, designed in KiCad, that use the TPS65131RGET by Texas Instruments (-15V、-2V~15V、3.2V -40℃~+85℃@(TA) 1.38MHz 2 2.7V~5.5V 500uA Adjustable Boost、Buck-Boost Built-in No Overcurrent Protection、Light load efficient mode、Load disconnect Step-down type、Boost VQFN-24-EP(4x4) DC-DC Converters ROHS). See how each wires it, with its parts, size, README and files; the TPS65131RGET’s symbol, footprint and pinout are on its own page.

joeltroughton/uSMU
Credit card-sized, USB-powered 4 quadrant source-measure unit hardware and firmware

ad4363/LuX-ray-PCBs
A repository containing KiCad schematic and pcb files for a wireless radiation detector testing interface