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Resources / Keep building

The right information,
within reach.

Guides, how-tos, manuals, pin diagrams, code and practical answers for the hardware on your desk.

154 resources. Ready when you are.

23 resources

Troubleshooting / Raspberry Pi

Bluetooth Not Working on My Raspberry Pi

Troubleshoot Bluetooth connectivity issues on Raspberry Pi with OS updates and fresh installation steps.

Raspberry PiBluetooth
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Troubleshooting / Arduino

Cannot Upload to Arduino Nano

Fix Arduino Nano upload errors with the right USB cable, processor selection, and bootloader settings in Arduino IDE.

ArduinoArduino Nano
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Troubleshooting / Arduino

How Do I Know If My Arduino Nano Is Damaged?

Learn how to test if your Arduino Nano is damaged by checking the power LED and testing basic functionality.

ArduinoArduino Nano
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Troubleshooting / Raspberry Pi

I've Lost My Raspberry Pi Desktop Taskbar and Icons

Restore your missing Raspberry Pi desktop taskbar and icons with terminal commands or a fresh OS installation.

Raspberry PiDesktop
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Troubleshooting / Arduino

IDE Error When Trying to Upload a Sketch to the Arduino Uno

Fix Arduino IDE upload errors by selecting the correct board and processor in Arduino IDE settings.

ArduinoArduino Uno
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Troubleshooting / Raspberry Pi

My Raspberry Pi 3B+/3 Is Faulty

Troubleshoot Raspberry Pi 3 and 3B+ boot issues with OS, power supply, SD card, and LED indicator checks.

Raspberry PiPi 3
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Troubleshooting / Raspberry Pi

My Raspberry Pi 400 Will Not Boot/Is Faulty

Fix Raspberry Pi 400 boot issues by checking HDMI port connection, SD card, and LED indicators.

Raspberry PiPi 400
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Troubleshooting / Raspberry Pi

No HDMI Output on My Raspberry Pi 4

Troubleshoot HDMI and headless Raspberry Pi boot, with legacy hdmi_force_hotplug and modern KMS display settings.

Raspberry PiPi 4
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Troubleshooting / Raspberry Pi

No Sound Output from My Raspberry Pi 3B Plus

Fix Raspberry Pi 3B+ sound output issues by checking audio settings, toggling output modes, and selecting the correct audio device.

Raspberry PiPi 3B+
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Troubleshooting / Raspberry Pi

No Sound Output with My Raspberry Pi 4

Fix Raspberry Pi 4 sound output issues by checking audio settings, toggling output modes, and selecting the correct audio device.

Raspberry PiPi 4
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Troubleshooting / Raspberry Pi

Pi 400 - Incorrect Keyboard Layout

Fix incorrect Raspberry Pi 400 keyboard layout by changing keyboard settings in Raspberry Pi OS preferences.

Raspberry PiPi 400
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Troubleshooting / Raspberry Pi

Raspberry Pi 4 Will Not Boot

Fix Raspberry Pi 4 boot issues by checking HDMI port connection, SD card health, and LED indicators.

Raspberry PiPi 4
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Troubleshooting / Raspberry Pi

Raspberry Pi Camera Module Not Working

Fix Raspberry Pi camera module issues with cable connection checks, camera enabling, software updates, and OS compatibility.

Raspberry PiCamera Module
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Troubleshooting / Raspberry Pi

Raspberry Pi Dual Display - Second Screen Not Working

Fix Raspberry Pi dual display issues when second monitor won't work by forcing dual-screen mode in config.txt.

Raspberry PiPi 4
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Troubleshooting / Raspberry Pi

Raspberry Pi HQ Camera - Blurry Images

Fix blurry Raspberry Pi HQ Camera images by checking the adapter ring and adjusting lens focus.

Raspberry PiHQ Camera
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Troubleshooting / Pico

Computer Won't Detect Raspberry Pi Pico

Troubleshoot Pico USB and BOOTSEL, then recover an unresponsive board with a destructive flash reset UF2 and matching firmware.

PicoPico
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Troubleshooting / Raspberry Pi

Raspberry Pi PoE HAT Fan Not Spinning

Learn why the Raspberry Pi PoE HAT fan doesn't spin constantly - it's temperature-controlled software that activates at 104°F.

Raspberry PiPoE HAT
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Troubleshooting / Raspberry Pi

Raspberry Pi Sense HAT Not Working

Fix Raspberry Pi Sense HAT issues by updating software, installing packages, and forcing the Sense overlay to load.

Raspberry PiSense HAT
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Troubleshooting / Raspberry Pi

Official Raspberry Pi Touchscreen Is Upside Down

Align display and touch using current desktop settings or an X11 Coordinate Transformation Matrix, with legacy rotation guidance.

Raspberry PiTouchscreen
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Troubleshooting / Raspberry Pi

Pi 4 / Pi 400 WiFi Problems

Raspberry Pi 4 and Pi 400 WiFi problems are often caused by defective WiFi modules and covered under Vilros warranty.

Raspberry PiPi 4
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Troubleshooting / Raspberry Pi

My Raspberry Pi Zero Will Not Boot

Fix Raspberry Pi Zero and Zero W boot issues by checking SD card, power supply, and LED indicators.

Raspberry PiPi Zero
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Troubleshooting / Raspberry Pi

Vertical Lines on Official 7" Touchscreen Display

Fix vertical lines on Raspberry Pi official touchscreen by checking ribbon cable, GPIO wiring, power supply, and OS updates.

Raspberry PiTouchscreen
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Troubleshooting / Raspberry Pi

What is the full capacity of my SD card?

Learn why your Raspberry Pi SD card shows less capacity than expected and how to restore the full size by removing Linux partitions.

Raspberry PiBeginner
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A little know-how goes a long way. Keep building.

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