Ultrasonic Sensor - Monitoring Distance via WebSocket

Tutorial Video



Hardware

• PHPoC Blue (+ USB WLAN) or PHPoC Black (+ Ethernet cable)
• Micro USB to USB Cable (to upload source code to PHPoC Device)
• Ultrasonic Sensor
• Jumper wires

About Ultrasonic Sensor

Ultrasonic sensor HC-SR04 is used to measure distance to an object by using ultrasonic waves. The ultrasonic sensor HC-SR04 includes four pins:

• VCC pin.
• GND pin.
• TRIG pin: this pin receives a 10-microsecond pulse from controller to emit

...

Tutorial Video



Hardware

• PHPoC Blue (+ USB WLAN) or PHPoC Black (+ Ethernet cable)
• Micro USB to USB Cable (to upload source code to PHPoC Device)
• Ultrasonic Sensor
• Jumper wires

About Ultrasonic Sensor

Ultrasonic sensor HC-SR04 is used to measure distance to an object by using ultrasonic waves. The ultrasonic sensor HC-SR04 includes four pins:

• VCC pin.
• GND pin.
• TRIG pin: this pin receives a 10-microsecond pulse from controller to emit

...

Tutorial Video



Hardware

• PHPoC Blue (+ USB WLAN) or PHPoC Black (+ Ethernet cable)
• Micro USB to USB Cable (to upload source code to PHPoC Device)
• Ultrasonic Sensor
• Jumper wires

About Ultrasonic Sensor

Ultrasonic sensor HC-SR04 is used to measure distance to an object by using ultrasonic waves. The ultrasonic sensor HC-SR04 includes four pins:

• VCC pin.
• GND pin.
• TRIG pin: this pin receives a 10-microsecond pulse from controller to emit

...

Tutorial Video



Hardware

• PHPoC Blue or PHPoC Black
• Micro USB to USB Cable (to upload source code to PHPoC Device)
• Ultrasonic Sensor
• Jumper wires

About Ultrasonic Sensor

Ultrasonic sensor HC-SR04 is used to measure distance to an object by using ultrasonic waves. The ultrasonic sensor HC-SR04 includes four pins:

• VCC pin.
• GND pin.
• TRIG pin: this pin receives a 10-microsecond pulse from controller to emit ultrasonic wave.
• ECHO pin:

...

Tutorial Video



Hardware

• PHPoC Blue (+ USB WLAN) or PHPoC Black (+ Ethernet cable)
• Micro USB to USB Cable (to upload source code to PHPoC Device)
• Servo Motor
• Jumper wires

About Servo Motor

Stardard servo motor is used to control of angular (usually between 0 and 180 degrees). The servo motor used in this example includes three wires:

• VCC wire.
• GND wire.
• Signal wire (receives the PWM control signal from controller).

How the servo motor...

Tutorial Video



Hardware

• PHPoC Blue (+ USB WLAN) or PHPoC Black (+ Ethernet cable)
• Micro USB to USB Cable (to upload source code to PHPoC Device)
• Servo Motor
• Jumper wires

About Servo Motor

Stardard servo motor is used to control of angular (usually between 0 and 180 degrees). The servo motor used in this example includes three wires:

• VCC wire.
• GND wire.
• Signal wire (receives the PWM control signal from controller).

How the servo motor...

Tutorial Video



Hardware

• PHPoC Blue (+ USB WLAN) or PHPoC Black (+ Ethernet cable)
• Micro USB to USB Cable (to upload source code to PHPoC Device)
• Servo Motor
• Jumper wires

About Servo Motor

Stardard servo motor is used to control of angular (usually between 0 and 180 degrees). The servo motor used in this example includes three wires:

• VCC wire.
• GND wire.
• Signal wire (receives the PWM control signal from controller).

How the servo motor...

Tutorial Video



Hardware

• PHPoC Blue or PHPoC Black
• Micro USB to USB Cable (to upload source code to PHPoC Device)
• Servo Motor
• Jumper wires

About Servo Motor

Stardard servo motor is used to control of angular (usually between 0 and 180 degrees). The servo motor used in this example includes three wires:

• VCC wire.
• GND wire.
• Signal wire (receives the PWM control signal from controller).

How the servo motor works: servo motor can be controlled...

Tutorial Video



Hardware

• PHPoC Blue (+ USB WLAN) or PHPoC Black (+ Ethernet cable)
• Micro USB to USB Cable (to upload source code to PHPoC Device)
• Rotary Angle Sensor
• Jumper wires

About Rotaty Angle Sensor

Rotaty angle sensor (also called potentiometer) is used to linearly adjust/change something in value. The rotaty angle sensor used in this example includes three pins:

• VCC pin.
• GND pin.
• Signal pin ( produces analog output between

...

Tutorial Video



Hardware

• PHPoC Blue (+ USB WLAN) or PHPoC Black (+ Ethernet cable)
• Micro USB to USB Cable (to upload source code to PHPoC Device)
• Rotary Angle Sensor
• Jumper wires

About Rotaty Angle Sensor

Rotaty angle sensor (also called potentiometer) is used to linearly adjust/change something in value. The rotaty angle sensor used in this example includes three pins:

• VCC pin.
• GND pin.
• Signal pin ( produces analog output between

...

Tutorial Video



Hardware

• PHPoC Blue (+ USB WLAN) or PHPoC Black (+ Ethernet cable)
• Micro USB to USB Cable (to upload source code to PHPoC Device)
• Rotary Angle Sensor
• Jumper wires

About Rotaty Angle Sensor

Rotaty angle sensor (also called potentiometer) is used to linearly adjust/change something in value. The rotaty angle sensor used in this example includes three pins:

• VCC pin.
• GND pin.
• Signal pin ( produces analog output between

...

Tutorial Video



Hardware

• PHPoC Blue (+ USB WLAN) or PHPoC Black (+ Ethernet cable)
• Micro USB to USB Cable (to upload source code to PHPoC Device)
• Rotary Angle Sensor
• Jumper wires

About Rotaty Angle Sensor

Rotaty angle sensor (also called potentiometer) is used to linearly adjust/change something in value. The rotaty angle sensor used in this example includes three pins:

• VCC pin.
• GND pin.
• Signal pin ( produces analog output between

...

Tutorial Video



Hardware

• PHPoC Blue or PHPoC Black
• Micro USB to USB Cable (to upload source code to PHPoC Device)
• Rotary Angle Sensor
• Jumper wires

About Rotaty Angle Sensor

Rotaty angle sensor (also called potentiometer) is used to linearly adjust/change something in value. The rotaty angle sensor used in this example includes three pins:

• VCC pin.
• GND pin.
• Signal pin ( produces analog output between 0 and VCC).

How the rotaty angle...

Tutorial Video



Hardware

• PHPoC Blue (+ USB WLAN) or PHPoC Black (+ Ethernet cable)
• Micro USB to USB Cable (to upload source code to PHPoC Device)
• Light Sensor
• Jumper wires

About Light Sensor

Light sensor is used to detect the current ambient light level - i.e. how bright/dark it is. The light sensor used in this example includes three pins:

• VCC pin.
• GND pin.
• Signal pin (outputs analog signal).

How the light sensor works:

• The sensor

...

Tutorial Video



Hardware

• PHPoC Blue (+ USB WLAN) or PHPoC Black (+ Ethernet cable)
• Micro USB to USB Cable (to upload source code to PHPoC Device)
• Light Sensor
• Jumper wires

About Light Sensor

Light sensor is used to detect the current ambient light level - i.e. how bright/dark it is. The light sensor used in this example includes three pins:

• VCC pin.
• GND pin.
• Signal pin (outputs analog signal).

How the light sensor works:

• The sensor

...