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Indoor Node - WaterlevelMonitor - Twin Node
THILAK K Jan 23,2026
The TWIN-NODE Indoor Node is a battery-powered receiver module designed to provide local indication and alerts for a wireless water level monitoring system. It communicates with an outdoor sensor node using ESP-NOW, enabling reliable, low-latency data transfer without internet connectivity or Wi-Fi infrastructure. The design prioritizes simplicity, robustness, and real-world indoor deployment.From a hardware perspective, the PCB is centered around the ESP-12F (ESP8266) module and integrates LED ...
8th Design Contest-AIoT Project ESP32 Circuit
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Twin_Node_V2.0_WaterLevelMonitor
THILAK K Jan 23,2026
TWIN-NODE is a two-node, ultra-low-power water level monitoring system engineered for overhead tanks and outdoor environments. It operates entirely offline using ESP-NOW communication, eliminating internet dependency while ensuring reliable, low-latency data transfer between nodes. The system is designed with real-world deployment in mind, emphasizing energy efficiency, robustness, and ease of manufacturing.The outdoor sensor node measures water level using a waterproof ultrasonic sensor and tra...
8th Design Contest-AIoT Project ESP8266 Home Automation
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Smart Pressure Control: The IoT Pressure Monitor
silicioslab Jan 22,2026
Introduction and ObjectiveThe ProblemIn the development of electronic monitoring systems, we often encounter a lack of devices that integrate precise reading and direct actuation. Industrial sensors are usually expensive and require complex PLCs. The need here was to create a compact and connected device capable of monitoring pressure in real time and reacting instantly to variations, without relying exclusively on the cloud for critical decisions, while maintaining remote supervision.The Soluti...
Arduino ESP8266 ESP32
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ESP32 Robot Controller
Peregrino Jan 20,2026
This project was born from a tutorial I worked on where I established communication between a Raspberry Pi and ESP32 using BLE. The link is shown below.It was then I decided to build a PCB that would allow me to control a Raspberry Pi remotely through BLE which can be used to control a Raspberry Pi robot. This video shows why I decided to build my PCB.The goal is to simplify the process and not require a breadboard and a bunch of wires to control a Robot. This is great for educational purposes a...
8th Design Contest-Electronic Project ESP32 Raspberry pi
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AI-Powered Smart Home
William Jan 16,2026
Technical Project Report: Smart Home Controller SystemLead Engineer: Engr. Wagih William1. Project Overview & Problem StatementThe "Smart Home Controller" is an integrated IoT solution designed to transform traditional manual home management into an automated, energy-efficient system.Challenges Addressed: High energy consumption due to lack of monitoring, manual operation of high-voltage appliances, and absence of real-time environmental feedback.Objectives: To centralize control, enhance us...
8th Design Contest-Electronic Project ESP32 IOT
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Twin_Node_V1.0-OUTDOOR
THILAK K Jan 15,2026
TWIN NODE V1.0 is a low-power, outdoor-ready water level sensor node designed as a practical learning and prototyping platform for embedded systems and IoT applications. Built around the ESP-12F (ESP8266), it leverages ESP-NOW for efficient, low-latency wireless communication without the overhead of traditional Wi-Fi networks. The node uses a waterproof ultrasonic sensor to deliver reliable, non-contact water level measurements, making it suitable for tanks, sumps, canals, and field deployments....
8th Design Contest-Electronic Project ESP8266 Home Automation
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ESP32 Aneroid Barometer using Squareline Studio and LVGL on CrowPanel Round display
Pavleski Jan 15,2026
 A barometer is a scientific instrument used to measure atmospheric pressure. Rising Pressure generally indicates improving weather, and falling pressure usually indicates approaching wind, and rain. Steady pressure indicates stable weather conditions. In this project I will describe a very simple way to make an Aneroid Barometer emulator. In fact, modern digital electronics are used, with the help of which the functionality of a classic mechanical barometer is 100% imitated. Aneroid barome...
ESP32 ESP8266 Commodore
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Trance PIXEL-LED
Hafen Jan 14,2026
This is a Wireless ArtNet node, that is soldered to a SPI LED strip or stringlight. It also includes a IR sensor for a remote control.
ESP32 LED ArtNet
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LIGHT BLOCK- Smart Lamp
Arnov sharma Jan 13,2026
This is the Light Block—a DIY RGB LED lamp I made by repurposing a glass brick. I designed and 3D printed a custom base for it, turning the brick into a functional lamp for my living room.By placing an RGB LED PCB beneath the glass, the light shines upward and diffuses evenly through the entire block, transforming a solid glass brick into a soft, ambient light source that adds a subtle glow to the space.The lamp is controlled wirelessly through a web app hosted on an ESP32, allowing colors and l...
3D printing SLA DIY
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GB300-P4 - An ESP32-P4 based Retro Handheld
Knight Jan 13,2026
The ESP32-P4 is fairly new, it boasts a dual core 360-400Mhz CPU, this is quite a jump over the previous ESP32/ESP32-S3 range, which are just not powerful enough to properly play MegaDrive and SNES, although there is some work in-progress to improve this.Luckily, my go to software for ESP32 handhelds, RetroGo, already mostly supported the ESP32-P4, although still fairly new, not fully tested and optimised.So anyway, I had a GB300 sitting on the shelf and took a look inside to see what the P...
8th Design Contest-Electronic Project ESP32 ESP32-P4
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