Troubleshooting Guides
Stuck on an error? Display not working? ESP32 won't connect? We've got you covered with hyper-specific fixes for common maker problems.
Stepper Motor Vibrating but Not Spinning: How to Fix It
Is your stepper motor just humming, vibrating, or grinding without actually turning? Here are the top 3 reasons why, and how to fix them.
7/25/2026
The "Brownout Reset": Why Your ESP32 Keeps Restarting
Does your ESP32 work perfectly until the exact moment it tries to connect to Wi-Fi? You are dealing with a Brownout Reset. Here is how to fix it.
7/24/2026
Phantom Presses: How to Fix Floating Pins and Bouncing Buttons
Is your Arduino registering random button presses even when you aren't touching anything? Here is how to fix floating pins and bouncing buttons.
7/23/2026
Garbage in the Serial Monitor: Fixing Weird Characters
Is your Arduino Serial Monitor spitting out backward question marks and gibberish? Here is the one-click fix for baud rate mismatches.
7/22/2026
Why Your ESP32 Wont Upload Code (The "Boot Button" Trick)
Getting a fatal error when uploading to an ESP32? Learn why you need to hold the BOOT button, and how to fix the hardware permanently.
7/21/2026
I2C Device Not Found: Why Your Scanner Hangs or Returns Nothing
Is your Arduino failing to detect your I2C LCD or sensor? Learn why the I2C Scanner hangs, returns 'No I2C devices found', or throws NACK errors, and how to fix it.
7/21/2026
"avrdude: stk500_getsync()": Fixing the Famous Arduino Upload Error
The Arduino IDE is refusing to upload your code? Here is the ultimate checklist to fix the dreaded stk500_getsync() error once and for all.
7/20/2026
Fix: I2C LCD Display Only Showing Blank Boxes (Arduino)
Is your 16x2 or 20x4 I2C LCD display lighting up but only showing a row of solid white or black boxes? Here is the exact fix.
7/16/2026