The store will not work correctly when cookies are disabled.
elecrow logo
  • Shops
  • Projects
    • Categories
    • Arduino Arduino
    • PCB PCB
    • DIY Electronics DIY Electronics
    • ESP ESP
    • Raspberry Pi Raspberry Pi
    • M&A Contest M&A Contest
    • Display Display
    • Sensors Sensors
    • Boards & Shields Boards & Shields
    • IoT IoT
    • View All Category
    • Featured Projects
    • AI Voice Control Without Memorizing Commands
      AI Voice Control Without Memorizing Commands
      LoRaWAN with the Elecrow LR1262 Dev. Board (RP2040)
      LoRaWAN with the Elecrow LR1262 Dev. Board (RP2040)
      ATTiny85 mouse jiggler
      ATTiny85 mouse jiggler
    • We Recommend
    • Lastest Projects
    • Most Popular
  • Feedback
  • Contest
    • Mechanical&Automation Contest
    • H2S-Dev Board Contest
    • IoT Hardware Contest
    • 'AI & Open Hardware' Contest
    • 2nd Electronics Design Contest
    • 1st Electronics Design Contest
    •  View All 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

    530
    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

    928
    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

    753
    0
    11
  • A low-power embedded system to forecast temperature two hours ahead

    What if we could predict the future?

    457
    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

    509
    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

    611
    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

    516
    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

    4126
    0
    11
  • How to spy on your neighbor (scientifically)? Acoustic parabola + NLMS on ESP32.

    Acoustic Parabola with NLMS Adaptive Filtering on

    3901
    0
    12

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.