File:Reflow mark zero.jpg

From base48

Shiny silvery box is an oven. White cable entering it from right bottom is temperature sensor connected to multimeter (in deg. C). At the bottom left there is breadboard with atmega48, usb-usart, spi adapter and potentiometer to set power. Board above that is AC regulator. Scope probes are connected to zero crossing detector and optotriac's trigger input.

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