Wow, strange. Does it do it with more simple bits of code, or just the NRF stuff? And you're definitely using 1v80?
It could be the chip, but this does look exactly like a very specific problem with the interpreter. I just wish I could reproduce it!
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Wow, strange. Does it do it with more simple bits of code, or just the NRF stuff? And you're definitely using 1v80?
It could be the chip, but this does look exactly like a very specific problem with the interpreter. I just wish I could reproduce it!