Single electric lighter click
Stapler fired but releases no staples
Short burst of deodorant spray
Bouncing on mattress, spring movement, bedhead or frame bangs against wall or floor
Typing on a calculator/keyboard, with some natural room
Dragging a chair on the floor.
Pulling off adhesive tape
Moving/pushing a heavy desk wooden desk across floor, with squeak.
Sony Trinitron, 1970s, turned on and receiving static