Dimmer a light while doing something else

[miche91]

it seems I am not the only one

it looks like this temp sensor does not work properly with the interrupts

ds18b20 thermocouple and external interrupts inconsistency

hi, i use 50Hz ac powered motor control on arduino mega with triac circuit.(isr0 triggering triac every ~5ms) it working succes but, motor speed loss occurs when i get temperature by ds18b20 for a short time. i searched the source of the problem on ds18b20 library but no avail (parasite mode already closed, changed delays, waitforconversations setted false). i changed triac control timer: timer1 to timer3 , result is same. i think; external interrupts turning off to read the temperature but…