I have some code that works perfectly on the Particle Core, but when I go to flash it onto the Photon it flashes but then must fail and restore the previous firmware (tinker)
The code is relatively simple and is only using the Neopixel library…
What would be the best way to troubleshoot the issue, as it fails before it even loads a serial interface etc?
Have you already upgraded your Photon’s firmware to the latest version by using the Web IDE to flash a bare minimum program (I.e. Simple Blink sketch)?