BerryGPS setup Guide for Raspberry Pi

BerryGPS-IMU v2 Plate has been designed to fit perfectly with the Raspberry Pi Zero. It is also compatible with all other versions Raspberry Pi, including the Pi 3B+.
BerryGPS-IMU v2 uses the M20048 from Antenova, which is a high quality GPS module which is able to track 22 satellites. The BerryGPS-IMU v2 is a GPS module which also includes the sensors that can be found on the BerryIMU v2 Plate.

BerryGPS-IMU v2 is also fitted with a barometric sensor (BMP280) which can be used to calculate altitude. A temperature sensor is also included.

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Raspberry Pi Board Version & Revision Number

Each variant of the Raspberry Pi has a different Pi Revision Number. There have now been a number of revisions to the Raspberry Pi PCB so the device you have in front of you could be one of a number of variants. The changes include mounting holes, modifications to the power supply circuitry, different GPIO headers and varying numbers of USB ports. The Pi 2 and Pi 3 introduced new CPUs and additional memory.

Finding your Pi Revision Number is a useful technique to identify what model of Pi you have and, in some cases, where it was manufactured.Read More

Raspberry Pi “Zero”: HDMI Monitors Has NO SIGNAL

When connecting a Raspberry Pi ‘Zero’ for the first time to a TV monitor with HDMI, and receive the message: “No Signal”. I tried it on several inputs and cables with no luck. Other devices work fine with the TV, and the cables so there can not be the problem. Then I tried a computer monitor with HDMI, also with no luck. What is happening?

I’ve investigated the problem for a couple of hours, before finding the solution.

The Raspberry Pi ‘Zero’ outputs a relatively weak HDMI Signal. Some devices may not immediately notice the Raspberry Pi ‘Zero’s HDMI Signal, or may not go through the negotiation process.Read More

Setup Raspberry Pi Zero with Headless WiFi

The following instructions will work anytime, you don’t necessarily have to follow them for the first boot – this is just a very convenient way to get your Raspberry Pi onto a network without using any plug-in peripherals like a keyboard, mouse or monitor.

What is “headless,” anyway?

A computer setup without a monitor is said to be running headless. You might want to do this if you’re installing your Pi into some project, or want to keep power-usage and cost minimal. This kind of setup is what the Pi Zero W was built for. The idea is that you can still access your Pi’s terminal interface over your network using a protocol called SSH.

All we need to do is get our Pi set up with the right WiFi credentials and we’ll be able to remotely access it through a terminal program, as if we were using the terminal Pi’s own desktop. What’s more, we’ll get our Pi connected to WiFi without ever having to plug in a monitor, keyboard or mouse to configure it.Read More

24-bit, 192KHz Audio for the Raspberry Pi Zero

The pHAT provides a super affordable high-quality DAC for your Raspberry Pi. It pumps out 24-bits at 192KHz from the Raspberry Pi’s I2S interface on its 2×20 pin GPIO header.

Use pHAT DAC to build a tiny, lush-sounding streaming music device, or use it with Scroll pHAT to make a beautiful spectrum analyser!


  • 24-bit audio at 192KHz
  • Line out stereo jack
  • Optional landing for dual RCA phono connector
  • PCM5102A DAC over the Raspberry Pi’s I2S interface
  • pHAT DAC pinout
  • Compatible with Raspberry Pi 3B+, 3, 2, B+, A+, Zero, and Zero W
  • Female header requires soldering

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