2 layers81.3 × 99.7 mm

STM32F407VET6
jmz52/Hardware
First public release. Corrected version of prototype board.
103 parts8CC-BY-4.0
Boards in 2 GitHub repositories, designed in KiCad, that use the SN74AHC74D by Texas Instruments (-40℃~+125℃ 1 115MHz 2 2V~5.5V 2pF 2uA 500ps 5ns 6.1ns@5V,50pF 74AHC Series 8mA 8mA Complementary D-Type Rising Edge Set and Reset SOIC-14 Flip Flops ROHS). See how each wires it, with its parts, size, README and files; the SN74AHC74D’s symbol, footprint and pinout are on its own page.

jmz52/Hardware
First public release. Corrected version of prototype board.

dolson14/k7arx
Circuit and PCB Designs, anything else related to radio and electronics