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 Moisture Sensor Grove is a chemical sensor module designed for water quality work, lab projects, and environmental monitoring. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.
Key details include Operating voltage: 3.3~5V; Sensor Output Value in dry soil: 0~ 300; PCB size: 2.0cm X 6.0cm.
| Product | Sensor style | Standout |
|---|---|---|
| Moisture Sensor Grove | chemical sensor module | Current item |
| Soil Moisture Sensor Analog Digital | soil moisture sensor with analog and digital output | analog output, digital output |
| Soil Moisture Sensor Immersion Gold | soil moisture sensor | general-purpose sensing |
| Soil Moisture Sensor Corrosion Resistant | soil moisture sensor | general-purpose sensing |
This sensor is a good fit for water test rigs, hydroponics monitors, lab logging, aquarium control, and environmental stations.
Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard or jumper wires for quick setup and testing.
Useful add-ons include calibration solutions, probe holders, and a data logger, depending on how you plan to power, mount, and log the sensor.
| Product | Moisture Sensor Grove |
|---|---|
| Sensor Output Value in dry soil | 0~ 300 |
| Sensor Output Value in humid soil | 300~700 |
| Sensor Output Value in water | 700 ~ 950 |
| Operating voltage | 3.3~5V |
| Operating current | 35mA |
| PCB size | 2.0cm X 6.0cm |
| Category | chemical sensors |
Check the pin labels on the Moisture Sensor Grove and match them to your controller voltage, ground, and signal pins. Keep wiring short and verify the logic level before powering the module. Most gas and chemical sensors work best after warm-up and calibration. Readings can drift with temperature, humidity, and sensor age.
1 × Moisture Sensor Grove
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.
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 →