Center

The store will not work correctly when cookies are disabled.

Back to School with STEM-Limited-Time Event(Aug 6-Sep 5)

JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

Shops
Projects
Feedback
Contest
Chat
Support
- Sponsorships
- Forum
- Wiki
- Affiliate Program
- Redeem Gifts
- Help

Create a project Sign In

Bertrand Selva

Posts

9
Followers

8
Following

11

+Follow

Shared Projects
Feedback
Like
Followers
Following

A low-cost MEMS gyrocompass measures Earth s rotation to determine true north and latitude, independent of magnetic fields.

No More Compass: True North via Earth s Rotation

314

0

9
Measure Earth’s rotation using two MEMS gyros, a Pi Pico, and smart signal processing—precision within 2% of the true value!

Measuring Earth’s Rotation with MEMS Gyros

703

0

7
Encrypted off-grid LoRa messaging terminal with GPS sync and dynamic key destruction. No network, no trace, full control.

Pi PICO LoRa text messenger

458

0

11
A low-power embedded system to forecast temperature two hours ahead

What if we could predict the future?

336

0

7
Low-cost PMR446 collinear with high gain, accurate impedance match, and a fully 3D-printed structure for reproducible builds.

3×5:8λ PMR antenna :Clean, Matched, 3D Printable

325

0

7
Invisible indoor pollutants? This ESP32 IoT node (AP mode) reveals them—TVOC, eCO₂, temperature, humidity rate —via its own Wi-Fi dashboard.

Compact and Low-Cost ESP32 IoT Air Quality Monitor

464

0

7
DIY off-grid terminal using Arduino Mega, TCM3105 modem, GPS, and error correction for resilient text communication.

Fallout-Style Communication Terminal: AFSK Modem

310

0

8
This project presents a compact system capable of determining the direction and elevation of a sound source in real-time with Pi PICO

Acoustic Targeting Module for Tactical Drone

2635

0

11
How to spy on your neighbor (scientifically)? Acoustic parabola + NLMS on ESP32.

Acoustic Parabola with NLMS Adaptive Filtering on

2500

0

11

About Elecrow

About Us
Contact Us
Forum
Blog
Wiki
Sitemap
Github
Coupons

Elecrow Policy

Shipping & Returns
Terms and conditions
Payment
Privacy Policy
Reward Points & Coins
intellectual property rights

Cooperation

Become a distributor
Sponsorships
Become an Affiliate
Sell on Elecrow
Seller Policy

Brand

CrowPanel-HMI Display
CrowView Note
CrowView
CrowPi
GrowCube
Crowbits
Letscode

Social media

Facebook Twitter Linkedin Youtube Instagram Discord

Payment methods

©Copyright 2012 - 2025 ELECROW All rights reserved.