Sam James Battle (born Bartle), known online as Look Mum No Computer, is a British YouTuber, electronics enthusiast, musician and composer who posts videos about making pro audio gear and synthesizers, as well as original music tracks.

[3][4][5] He is known for making and playing unusual, esoteric, and eccentric electronic musical devices made from vintage technology; notably such devices as a Furby organ, a synthesizer fused with a classic Raleigh Chopper bicycle, and a Gameboy Triple Oscillator synthesizer.

[3][7] Besides ad income from YouTube, Battle has also been funding his electronic inventions with fan donations, on the subscription platform Patreon.

[8] In 2022, Battle began restoring a 1914 church organ, as an exhibit in This Museum is Not Obsolete,[9] the process of which has been documented on his channel.

[5] Battle has co-produced several composition for screening, such as Satellite Moment (with Charlie Fink), for the film adaptation of a Street Cat Named Bob, as well as Glitter and Gold (with Barns Courtney) for Netflix's series Safe.