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.
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DRV8835 Dual Motor Driver Carrier
The DRV8835 Dual Motor Driver Carrier is a motor driver based on the DRV8835 chip, capable of driving 2 motor channel(s) at up to 1.5A. Pair it with DC motors, stepper motors, or other actuators controlled via PWM from an Arduino or ESP32.
Motor driver comparison
| Driver | Channels | Max current | Voltage | Best for |
|---|---|---|---|---|
| L293D | 2 (or 4 half) | 600mA | 4.5–36V | Small motors, learning |
| DRV8833 | 2 | 1.2A | 2.7–10.8V | Small robots, low voltage |
| TB6612FNG | 2 | 1.2A (3.2A peak) | 2.5–13.5V | General robotics |
| L298N | 2 | 2A | 5–46V | Larger motors, high voltage |
| DRV8874 | 1 | 6A | 4.5–37V | Single high-power motor |
| VNH5019 | 1 (or 2 on shield) | 12A (30A peak) | 5.5–24V | Heavy-duty motors |
Technical specifications
| Chip | DRV8835 |
|---|---|
| Channels | 2 |
| Max current | 1.5A |
| Voltage range | 0–11V |
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Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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