Adafruit PiOLED, monochrome OLED expansion board 128x32pixels for Raspberry Pi

raspberry pi zero adafruit pioled ssd1306 oled display hat
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The PiOLED Adafruit is a small 128×32 pixel monochrome OLED display that plugs into the Raspberry Pi’s GPIO port. Communication with the PiOLED is done using the I2C bus. It is very easy to program in Python using the SSD1306 library (Adafruit_Python_SSD1306) developed by Adafruit for example. The PiOLED is compatible with the entire Raspberry Pi 1, B +, Pi 2, Pi 3 and Pi Zero range. The module comes pre-assembled.

raspberry_pi_pioled adafruit

This small screen will be very handy for displaying information without having to plug in a screen or connect in SSH to the Raspberry. For example, the IP address, CPU load, temperature, available space on the SD card, Wi-Fi reception level. Convenient for Raspberry Pi-based projects to develop a Web server, a multi-media server, NAS or a network backup. For a DIY home automation server, this screen will allow for example to display states or important measures (smoke detector, door open, presence detection). To operate, the i2C bus must be activated. The module has the default 0x3c address. Execute this command to check its presence

sudo i2cdetect -y 1

This expansion card is not Has standard Raspberry. The screen is shifted from the GPIO and uses only the minimum pin of the GPIO (power supply and I2C). Other GPIO pins can be used to connect sensors or actuators. By cons, impossible to use another Hat (which is not strange, the hats were not designed to stack). If you need to use other expansion cards, for example the Razberry that supports the Z-Wave, you may want to consider a USB equivalent.

raspberry pi zero adafruit pioled ssd1306 oled display hat

As usual, Adafruit has provided a very complete tutorial on its site as well as the source code on GitHub. The PiOLED is available now on the Adafruit online store for $15.

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