In this example we connect a PIR module up to our Raspberry PI, this is quite a simple module to connect as it requires only 5v, Gnd and the output is PI friendly so does not require any level shifting. A passive infrared sensor (PIR…
Tag:
Raspberry Pi
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The HC-SR04 Ultrasonic Range Sensor is used to measure distances by using ultrasonic sounds. It works by sending out a burst of ultrasound and listening for the echo when it bounces off of an object. A short pulse to trigger the detection, then listens for…
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The first step is to verify if you have java installed , to do this open a command prompt and type the following java -version This should return something like the following, if not you’ve probably got an older version of Raspbian or equivalent that…
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In a previous example we connected a Max7219 8×8 LED matrix display to our Raspberry Pi, you can also purchase a 7 segment display which uses the same ic. Here is a typical module To make life easy there is a python module already available…
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Raspberry PI A+, B+ and 2B GPIO J8 40-pin pinout. Raspberry PI Models A and B have only the first 26 pins. GPIO# 2nd func pin# pin# 2nd func GPIO# – +3V3 1 2 +5V – GPIO2 SDA1 (I2C) 3 4 +5V – GPIO3 SCL1…
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In this example we will connect a capacitive sensor to a GPIO pin on our Raspberry PI, when we touch the sensor we will display a message to the user. A practical use may be a touch activated lamp. This is the sensor we used…