》AUDIO & VISUAL // CONNECTORS // 3.5mm ( 2 CONTACT / TS ) [R2.P4] - https://en.wikipedia.org/wiki/3.5_mm_jack - 922788 - #arduino #electronics #arduinoproject #raspberrypi #robotics #technology #robot #engineering #arduinouno #diy #iot #esp #microcontroller #electronic #electrical #coding #maker #programming #tech #electricalengineering #pcb #electronicengineering #diyelectronics #automation #beagleboard #arduinoprojects #hardware #agtech #foss #opensource