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 →GSM GPS GPRS SIM808 Shield DFRobot SIM808 Shield combines GSM, GPRS, and GPS functions on one board for location-aware and mobile data projects.
It is useful for trackers, vehicle systems, remote alerts, SMS control, and data logging where wired internet is not practical.
This shield helps speed up wiring and expansion in Arduino-based projects. It is useful for robotics, sensor stacks, test setups, and builds where cleaner connections save time.
Pair it with a compatible controller board, a USB cable, and matching sensors or modules so you can stack, wire, and test quickly.
Useful add-ons include compatible boards, terminal blocks, sensor modules, and jumper wires to make testing and expansion easier.
| Product | GSM GPS GPRS SIM808 Shield DFRobot |
|---|---|
| SKU | TEL0097 |
| Brand | DFRobot |
| Interface | USB, GSM, GPRS, GPS |
| 3-in-1 wireless function | GSM, GPRS, and GPS on one shield |
| Quad-band GSM | Broad network support in many regions |
| Arduino shield format | Easy integration with common controller boards |
| AT command control | Flexible for calls, text, location, and data tasks |
| Built-in indicators | Easier status checks during setup |
| Operating voltage | 5V |
If you are using Gravity connectors, align the plug correctly and avoid forcing the cable into the wrong header. Use a suitable external power source for motion parts when the controller alone cannot supply enough current.
Official product page: View on DFRobot
Wiki / documentation: Open DFRobot wiki
1 × GSM GPS GPRS SIM808 Shield DFRobot
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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.
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