electrical schematic diagram of an electronic device for reading and outputting data.

artwork brand button cad cartoon chip circle circuit component computer conductor connection connector cpu crystal data decoder design device devices diagram digital diode display document drawing electric electrical electricalschematic electronic electronics engineer engineering font for four-digit functional illustration indicator interface key keyboard layout lcd led line liquid map micro microcontroller module outputting pattern pcb peripheral plan port presentation processor project radio reading resistor schematic scheme screenshot seven-segment sketch software technical terminal text usb vector