Recorded with zoom h4n in small bathroom. I turned the water on and let it run and then shut off the water. The microphone was inches away from the source.
Sounds of a small vibrator or personal massager being turned on, running for a short time, and then being turned off. Recorded on blue snowball for the super legit podcast.
A canon powershot camera turned on, photos taken, and turned off. Recorded on a tascam dr-100mkiii with an audio technica at875r shotgun mic in 24/48 mono.