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Overview
Overview
How to use an ultrasonic sensor with a micro:bit:
How to use an ultrasonic sensor with a micro:bit:
Section 1: Ultrasonic Sensors
Section 1: Ultrasonic Sensors
Section 2: Using a US-015 Ultrasonic Sensor (3V)
Section 2: Using a US-015 Ultrasonic Sensor (3V)
Section 3: Using a HC-SR04 Ultrasonic Sensor (5V)
Section 3: Using a HC-SR04 Ultrasonic Sensor (5V)
Section 1: Ultrasonic Sensors
Section 1: Ultrasonic Sensors
US-015
US-015
HS-SR04
HS-SR04
Ultrasonic sensors come in a variety of models. Some of the most common ultrasonic sensors available are the US-015 (3V) and the HC-SR04 (5V).
Ultrasonic sensors come in a variety of models. Some of the most common ultrasonic sensors available are the US-015 (3V) and the HC-SR04 (5V).
Section 2: Using a US-015 Ultrasonic Sensor (3V)
Section 2: Using a US-015 Ultrasonic Sensor (3V)
Video Coming soon
The images below gives a quick overview of the wiring, code and basic concepts.
The images below gives a quick overview of the wiring, code and basic concepts.
Section 3: Using a HC-SR04 Ultrasonic Sensor (5V)
Section 3: Using a HC-SR04 Ultrasonic Sensor (5V)
The images below gives a quick overview of the wiring, code and basic concepts.
The images below gives a quick overview of the wiring, code and basic concepts.
A voltage divider circuit (Basic example shown directly below) is used to ensure that excess voltage doesn't damage the micro:bit. In our diagram, you can see how the voltage divider (1k & 2k) circuit is used to reduce the voltage
Section 4: Ultrasonic Sensor Demo Rig
Section 4: Ultrasonic Sensor Demo Rig
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