Fingerprint Sensor AS608 - A Beginner's Guide
One touch can replace keys. This project uses an optical fingerprint sensor to enroll users and then grant access with a quick scan.
read tutorial →The Adafruit ADXL375 High-G Accelerometer (STEMMA QT / Qwiic) measures acceleration up to an extreme ±200g — far beyond what standard accelerometers can handle. It's purpose-built for high-impact events like rocket launches, crash testing, projectile monitoring, vibration analysis on heavy machinery, and sports impact measurement.
Unlike typical accelerometers that max out at ±16g or ±24g, the ADXL375 is specifically designed for shock and impact detection where forces are brief but intense. Communication is via I2C or SPI, and the onboard STEMMA QT connectors allow solderless hookup.
| Sensor | Range | Interface | Best for |
|---|---|---|---|
| MMA7361 | ±1.5g / ±6g | Analog | Tilt sensing, orientation |
| MPU6050 | ±2g to ±16g | I2C | Motion tracking, IMU projects |
| LSM9DS1 9-DOF | ±2g to ±16g | I2C/SPI | Full 9-axis IMU |
| ADXL375 (this) | ±200g | I2C / SPI | Rocket, crash, high-impact |
| Sensor | ADXL375 (Analog Devices) |
|---|---|
| Measurement Range | ±200g |
| Resolution | 13-bit |
| Interface | I2C and SPI |
| Connector | STEMMA QT / Qwiic (JST SH) |
| Supply Voltage | 3.3V (onboard regulator accepts 3–5V) |
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One touch can replace keys. This project uses an optical fingerprint sensor to enroll users and then grant access with a quick scan.
read tutorial →Wire a joystick to your Arduino, read X/Y, then print UP / DOWN / LEFT / RIGHT to the serial monitor.
read tutorial →Bench-test a 43 A motor driver before wiring the full project. Catches weak power, mis-pinning, and dead boards before they cost you time.
read tutorial →Coming from UNO and the Pico won't show a COM port? Here's the BOOTSEL trick, the driver fix, and the first sketch that actually works.
read tutorial →Share what you built. Photos, BOM, what worked, what didn't.
view thread →Symptom + what you tried + clear photo = answers within hours.
view thread →Brownout reset when adding a sensor? Notes on supply decoupling and GPIO checks.
view thread →Upload failing on your first Uno? Driver, COM port, board match — checklist inside.
view thread →