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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Low-Cost 8×8 Thermal Camera — AMG8833 IR Grid-EYE Breakout
The AMG8833 IR Thermal Camera Breakout (Grid-EYE) is a compact 8×8 pixel thermal sensor that detects surface temperatures from 0°C to 80°C over I2C. While its 64-pixel resolution is lower than the MLX90640, it's significantly cheaper and perfectly adequate for people detection, room occupancy sensing, and basic thermal mapping.
Why choose it
- Budget thermal imaging: Cheapest way to add a thermal grid to your project
- People detection: 8×8 is enough to detect human-shaped heat signatures
- Built-in thermistor: Also reads ambient room temperature
- Interrupt output: Trigger on temperature thresholds without polling
- I2C interface: Simple wiring to any microcontroller
Technical specifications
| Sensor | AMG8833 Grid-EYE (Panasonic) |
|---|---|
| Resolution | 8 × 8 pixels (64 total) |
| Temperature range | 0°C to +80°C (object), -20°C to +100°C (thermistor) |
| Accuracy | ±2.5°C typical |
| Field of view | 60° |
| Frame rate | 1–10 Hz |
| Interface | I2C |
| Supply | 3–5V |
Frequently Asked Questions
Is 8×8 enough to see anything useful? Yes — for detecting people, hot/cold zones, and occupancy. For detailed thermal images with recognizable shapes, upgrade to the MLX90640 (32×24).
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
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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