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 →
NRF24L01+PA+LNA SMD Wireless Module from Circuitrocks is ideal for DIY electronics builds.
Great for Arduino, ESP32, Raspberry Pi, and robotics or school projects here in the Philippines.
Unlock long-range, reliable wireless communication for your projects with the NRF24L01+PA+LNA SMD Wireless Module! Featuring a powerful built-in power amplifier and low-noise amplifier, this compact 2.4 GHz transceiver delivers excellent range and sensitivity, supporting speeds up to 2 Mbps for smooth data transmission. Perfect for home automation, robotics, and IoT solutions, it offers low power consumption, quick activation times, and easy SPI interface integration with popular microcontrollers like Arduino and ESP32. Upgrade your wireless projects with this professional-grade, cost-effective module today.
Features:
- 2.4 GHz ISM band operation for global, license-free use
- Built-in Power Amplifier (PA) for extended transmission range
- Low Noise Amplifier (LNA) for improved reception sensitivity
- High data rates up to 2 Mbps for fast, reliable communication
- Ultra-low power consumption with sleep and standby modes
- SPI interface for easy connection to Arduino, ESP32, and other microcontrollers
Specifications:
- Frequency: 2.4 GHz ISM band
- Transmit Power: +20 dBm max (with PA)
- Data Rate: 250 kbps / 1 Mbps / 2 Mbps selectable
- RX Current: 25 mA (at 2 Mbps)
- TX Current: 45 mA (at 0 dBm), higher with PA on
- Standby Current: 32 µA
- Power Down Current: 400 nA
- Voltage Range: 2.2 V – 3.6 V
- Activation Time: 130 µs
- Dimensions: 27 mm × 12 mm SMD package
- Pin Pitch: 1.27 mm 10-pin standard
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.
Customers also bought
Build with this board
Thumb Joystick - A Beginner's Guide
Wire a joystick to your Arduino, read X/Y, then print UP / DOWN / LEFT / RIGHT to the serial monitor.
read tutorial →Motor Drive (BTS7960 43A) - A Beginner's Guide
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 →Raspberry Pi Pico (RP2040) - A Beginner's Guide
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 →Notes from the bench
Ask the community
Project Showcase — show what you built
Share what you built. Photos, BOM, what worked, what didn't.
view thread →How to ask a good question (and actually get answers)
Symptom + what you tried + clear photo = answers within hours.
view thread →ESP32 brownout when wiring a sensor — fixes that worked
Brownout reset when adding a sensor? Notes on supply decoupling and GPIO checks.
view thread →First Arduino — sketch upload error, what to try?
Upload failing on your first Uno? Driver, COM port, board match — checklist inside.
view thread →