# PD Reflow Hoteplate DIY USB PD powered automatic hotplatae ## LED Signals Yellow LED: Preheat Red LED: Reflow The whole reflow process will have the following LED signals - Preheat slow blinking (2s): Standby - Preheat fast blinking (0.5s): Starting reflow process in 10 seconds - Preheat on: Preheating - Reflow on: Reflowing - Reflow slow blinking: Reflow completed Press STOP button to restore to Standby state