tactile switches in a row

background black board brown buttons card change chip circuit click click-click closeup communication component contact data digital electrical electricity electronic electronic-components electronics engineering equipment font gadget green hardware industrial industrial-machinery lab machine manually-pressing mechanism mini-buttons mode motherboard multimedia number operating-section pcb pressing pushbutton row screenshot signage small switch switches system tact tact-button tact-switch tactile tactile-switch tech technology toggle-button touch toy