Course Introduction.mp4+ 1.1 Schematic Diagram and Component Selection of DC Regulated Power Supply.mp4+ 1.2 Simulation Verification of DC Regulated Power Supply Circuit.mp4+ 1.3 PCB Drawing of DC Regulated Power Supply Circuit.mp4+ 1.4 Soldering Preparation for DC Regulated Power Supply Circuit.mp4+ 1.5 Soldering of DC Regulated Power Supply Circuit.mp4+ 1.6 Soldering of DC Regulated Power Supply Circuit.mp4+ 2.1 Schematic Diagram and Component Selection of the Simulated Exhaust Fan Circuit.mp4+ 2.2 Simulation Verification of Simulated Exhaust Fan Circuit.mp4+ 2.3 The Drawing of PCB Diagram for Simulated Exhaust Fan Circuit.mp4+ 2.4 Preparations for the Soldering of the Simulated Exhaust Fan Circuit.mp4+ 2.5 The Soldering of the Simulated Exhaust Fan Circuit.mp4+ 2.6 Testing and Debugging of Simulated Exhaust Fan Circuit.mp4+ 3.1 Schematic Diagram and Component Selection of Combustible Gas Detection.mp4+ 3.2 Simulation Experiment on the Combustible Gas Detection Circuits.mp4+ 3.3 Drawing of PCB Diagram for Combustible Gas Detection Circuits.mp4+ 3.4 Preparations for the Soldering of Combustible Gas Detection Circuits.mp4+ 3.5 Soldering of Combustible Gas Detection Circuits.mp4+ 3.6 Debugging of Combustible Gas Detection Circuits.mp4+ 4.1 Schematic Diagram and Component Selection of Sound and Light Alarm.mp4+ 4.2 Simulation Verification of Sound and Light Alarm Circuit.mp4+ 4.3 PCB Drawing of Sound and Light Alarm Circuit.mp4+ 4.4 Soldering Preparation for Sound and Light Alarm Circuit.mp4+ 4.5 Soldering of Sound and Light Alarm Circuit.mp4+ 4.6 Debugging of Sound and Light Alarm Circuit.mp4+ 5.1 Schematic Diagram and Component Selection of Human Body Infrared Detection.mp4+ 5.2 Simulation Verification of Human Body Infrared Detection Circuit.mp4+ 5.3 PCB Drawing of Human Body Infrared Detection Circuit.mp4+ 5.4 Soldering Preparation for Human Body Infrared Detection Circuit.mp4+ 5.5 Soldering of Human Body Infrared Detection Circuit.mp4+ 5.6 Debugging of Human Body Infrared Detection Circuit.mp4+ 6.2 Simulation Verification of Microcontroller Main Control Module Circuit.mp4+ 6.3 PCB Drawing of Microcontroller Main Control Module Circuit.mp4+ 6.4 Soldering Preparation for Microcontroller Main Control Module Circuit.mp4+ 6.5 Soldering of Microcontroller Main Control Module Circuit.mp4+ 6.6 Debugging of Microcontroller Main Control Module Circuit.mp4+