The 6-foot-2, 190-pound prospect helped lead South Jersey's Next Level Greats to a second-place finish at the event.
"I'm all about the competition, and we're having a good time as a team," Harmon said. "It's just fun being at Rutgers playing against everyone."
Harmon received his first verbal offer from Rutgers after impressing during the spring evaluation period.
"I talked to them some, but I was trying to stay focused on winning [at the camp]," Harmon said. "I talked with [defensive backs coach Darrell] Wilson a little and he was just saying to keep working hard and getting better."
The three-star receiver spent much of the spring traveling for competitions with his 7-on-7 team led by coach Marcus Hammond.
"This spring has been a great, humbling experience," Harmon said. "I'm fortunate to be able to go out and travel, see good players, get coached and see some schools."
Charles experienced a similar offseason heading into his junior year, and has plenty of advice for Harmon.
"He's telling me about how hard I need to keep working," Harmon said. "Stay humble, and take everything in one step at a time. … I plan to bring heart, and I'm trying to play for championships."
"We only got to go in the Swamp for a little bit," Harmon said. "It was a really great visit with their history. I got to try on a jersey. It was cool."