| Dancing lights 
  | Dimmer 
  | PLL oscillator 
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| As for making of Dancing lights, refer to "Dancing lights". | As for making of Dimmer, refer to "Electric power controller". | As for making of PLL oscillator, refer to "PLL oscillator". | 
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| Bending apparatus 
  | Ultraviolet ray exposure equipment 
  | Stabilised power unit 
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| As for making of Bending apparatus-2, refer to "The bending apparatus-2". | As for making of Ultraviolet ray exposure equipment, refer to "The ultraviolet ray exposure equipment". | As for making of Stabilised power unit, refer to "Stabilised power unit". | 
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| Car speed detection device
 
  | Frequency induction switch
 
  | Digital dial 
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| As for making of Car speed detection device, refer to "Production of Car speed detection device". | As for making of Frequency induction switch, refer to "Frequency induction switch". | As for making of Digital dial, refer to "Digital dial". | 
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| Thief warning device 
  | 4 channel adapter for the oscilloscope 
  | Switching regulator 
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| As for making of Thief warning device, refer to "Production of thief warning device". | As for making of 4 channel adapter for the oscilloscope, refer to "4 Channel Adapter for the Oscilloscope". | As for making of Switching regulator, refer to "+5V Switching regulator (1)". | 
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| Ultrasonic range meter
 
  | Infrared sensor 
  | Ultrasonic alarm(1) 
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| As for making of Ultrasonic range meter, refer to "Ultrasonic Range Meter". | As for making of Infrared sensor, refer to "Infrared Sensor". | As for making of Ultrasonic alarm, refer to "Ultrasonic alarm(1)". | 
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| Ultrasonic range meter (PIC) 
  | DC/AC inverter 
  | PIC programmer 
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| As for making of Ultrasonic range meter using PIC, refer to "Ultrasonic Range Meter". | As for making of DC/AC inverter, refer to "DC/AC inverter (2)". | The English version doesn't have the creating page of this equipment. | 
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| CPLD programmer 
  | Remo-Con TX 
  | Remo-Con RX 
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| As for making of CPLD Programmer, refer to "CPLD Programmer". | As for making of Remote Control Transmitter, refer to "RF Remote Controller". | As for making of Remote Control Receiver, refer to "RF Remote Controller". | 
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| DC motor speed controller 
  | Ultrasonic Alarm (2) Transducer
 
  | Ultrasonic Alarm (2) Detector
 
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| As for making of DC motor speed controller, refer to "DC motor speed controller". | As for making of Ultrasonic Alarm (2), refer to "Ultrasonic Alarm (2)". | As for making of Ultrasonic Alarm (2), refer to "Ultrasonic Alarm (2)". | 
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| Remote display 
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| As for making of Remote display, refer to "Remote display". | 
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