The Brooklyn man who was busted for making a homemade bomb in his apartment is a “backyard engineer” who is currently competing on a “Mythbusters” spin-off TV series, according to his lawyer.

Christopher Hackett, 44, of Cobble Hill was arrested Wednesday after cops stumbled upon the makeshift explosive device.

While the dreadlocked artist didn’t technically have all the items to make the bomb work, he was still taken into custody and charged for possessing the materials, along with two loaded, defaced guns, a police source said.

At his arraignment in Brooklyn criminal court Thursday night, Hackett’s lawyer, Tim Gumkowski, described how his client was a “public figure” — and has been appearing on the Science Channel’s new “Mythbusters” spin-off series, “The Search.”

Before joining the cast of the competition, he had served as the host of the survival show “Stuck With Hackett.”

“Hackett likes his coffee strong, his physics Newtonian, and is a firm believer in ‘build it, then measure it,'” the Science Channel site says.

In addition to starring on TV, Hackett is an adjunct professor at NYU, a writer, a contributing editor of Popular Science magazine, and author of “The Big Book of Maker Skills.”

He enjoys working with local builders, artists and designers in Brooklyn to build an array of “wacky and innovative contraptions,” while also teaching residents how to weld, the site says.

Described as an “alternative engineer,” he tends to use his “scientific knowledge and artist’s imagination to build functional things in unusual ways.”

Officers had been investigating a past burglary when they discovered the bomb-making materials — which included packing pipes, colored wires and the unstable chemical compound ammonium phosphate — all stuffed in a suitcase in Hackett’s home.

The renowned builder ultimately was charged with criminal possession of a weapon bomb, criminal possession of a defaced weapon, reckless endangerment and violation of a local law.

During his arraignment, Gumkowski argued that the materials were part of a 2005 art exhibit at the East Village’s Cooper Union — and that they were in no way operable.

“There’s nothing explosive or dangerous about it,” he said. “It remains a piece of an installation that was presented in 2005.”

Hackett was held on $7,500 bail. It’s unclear when his next court date is.

Additional reporting by Shawn Cohen