Example Sketches Guide (Troubleshooting + Learning)

This page is now the hub. Each bundled example has its own dedicated documentation page.

Recommended Beginner Order

1. FlashDiagnostics.ino
2. TestFlash.ino
3. readWriteString.ino
4. getAddressEx.ino
5. Struct_writer.ino
6. Diagnostics_functions.ino

Per-Sketch Pages

• FlashDiagnostics.ino
• TestFlash.ino
• getAddressEx.ino
• readWriteString.ino
• Struct_writer.ino
• Diagnostics_functions.ino

What You Get On Each Page

• exact API call inventory used by the sketch
• expected serial output samples
• failure signals and common root causes
• practical debugging interpretation

Helper functions defined in this file

• Output helpers: printLine, printTab, printTime, printTimer, pass
• Identity helpers: printUniqueID, getID
• Test routines:
• powerDownTest, powerUpTest
• eraseChipTest, eraseSectionTest, eraseBlock64KTest, eraseBlock32KTest, eraseSectorTest
• byteTest, charTest, wordTest, shortTest, uLongTest, longTest, floatTest, structTest, arrayTest, stringTest

Recommended order for beginners

1. FlashDiagnostics.ino
2. TestFlash.ino (targeted operation isolation)
3. readWriteString.ino
4. getAddressEx.ino
5. Struct_writer.ino

What to capture when asking for help

• Board and core version
• Chip part number
• Wiring summary (including WP/HOLD if flash)
• Example sketch name
• Error code (error() value) and serial output snippet