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

CH591D pcb for IMK8K macro keyboard

The ESP8266 NodeMCU 4-Channel Relay Module project enables easy remote control of up to four appliances in your home using Wi-Fi. By leveraging the ESP8266 NodeMCU and a simple web interface, users can control devices like lights and fans from anywhere. This cost-effective IoT solution provides seamless home automation, turning any home into a smart home with just a few clicks. Perfect for DIY enthusiasts looking to dive into the world of IoT and home automation!

"A smart IoT-based system that monitors and controls temperature and humidity in real-time, combining precision, automation, and remote accessibility in one compact device."

How to build a simple Meshtastic IoT sensor grid with the ThinkNode M1 & M2 devices.

This project develops a LoRa-based Smart Agriculture Monitoring and Irrigation System to optimize water usage and improve crop health. It uses a LoRa module to transmit soil moisture, temperature, and humidity data from remote fields to a central gateway, enabling farmers to monitor conditions and automate irrigation.

This project presents the design and concept of a 10 cubic meter stainless steel storage tank made from grade 304L, intended for industrial and smart fluid management applications. The tank has been carefully designed to ensure durability, corrosion resistance, and suitability for integration with IoT monitoring systems. The tank structure includes a main cylindrical shell (virole), two dished heads (fonds), support cradles (berceaux), a lid (couvercle), a valve (vanne), and a custom nozzle (piquage) for input/output. It is designed to withstand varying fluid pressures and can be used in a variety of industries such as food processing, water treatment, chemical manufacturing, and agricultural storage. The CAD model has been developed using SolidWorks, employing sheet metal features and realistic welding simulations.

This project demonstrates a simple light-sensitive switch: it turns lights OFF during the day and ON at night. Ideal for street lights, garden illumination, or home automation.

SkyLink AI is a next-generation IoT-based telemetry system for a custom SU-27 RC fighter jet, combining ESP32 and GPS with a cloud-connected AI model. It not only shows real-time flight data (speed, altitude, GPS, HDOP) via Flutter and Web UI but also predicts risk levels during flight using ML — making RC aviation safer, smarter, and more interactive.

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

LoRaWAN + BroWAN tracker + TTN gateway yield a lightweight, cost-effective, long-range cat tracking system, bypassing commercial restrictions. Hardware and software are open to further customization and alert automation.