Roaster Automation - Drum Roaster - Page 5

Discuss roast levels and profiles for espresso, equipment for roasting coffee.
Team HB

#41: Post by ira »

While Bluetooth is "slower" then a direct USB connection, it should be plenty fast enough for 100 reading/second or more. I was certainly able to get readings at that speed via serial over Bluetooth on the board I designed and built for FrankenBehmor.

blondica73 (original poster)
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#42: Post by blondica73 (original poster) »

I posted the question on GitHub for Marko, and it appears that MODUS RTU is extremely slow, and a 3s sampling rate is reasonable. However, I'm pleased with my RTD probes; I moved the BT RTD probe (blue) to be next to the BT stock probe (black), and they track within a few degrees. It appears that the difference was probe placement. I'll keep this configuration as all my roast templates are based on stock probes. Sampling at 0.5s, no smoothing, and delta span set to 6.