Spring Clean Projects 2026

The not electronic project

obones

First of all, this is not an entry in this competition as it is in no way related to electronics, and to make it clearer, I submitted it outside of the expected dates on purpose.However, as it was discussed in the forum and because it seemed some of ...
- 8 Jun 2026
Big Bot Billy Bass

KieferD17

Big Bot Billy Bass Introduction: This project started a very long time ago when the first Amazon Alexa was released and my dad bought one for the house. A while later, I saw a video online of someone putting the Alex inside of the Billy Bass, making...
- 1 Jun 2026
Handheld Multi-Band RF Analyzer and Packet Radio

Jose00

Hey everyone! This project has actually been an ongoing journey for me — it started as a simple prototype built with breakout modules on a breadboard a long time ago, where I was experimenting with nRF24L01 radio modules and getting a feel for ...
- 1 Jun 2026
Building a Secure, Decentralized Smart Home from Scratch (Part 2)

abtAmit

In Part 1, we built and tested a functional physical prototype. The ESP-NOW mesh network, secured by cryptographic hashing and wired to mechanical relays. But while the prototype functioned, it was still just a bulky bench setup wired on a breadboard...
- 31 May 2026
Pill reminder

alin.postu

Intro A long time ago I wanted to make a Bluetooth connected pill reminder. A device that goes on the bottle cap of a pill bottle. Goal was to make a device that can detect if a pill bottle was opened and also trigger an alarm (visually on the bottle...
- 31 May 2026
Meet Bowie! The Printed Circuit Bowtie

Oday

Where It All Began Imagine you're at a career fair, suited up, resume in hand, and you've got about 45 seconds before a recruiter moves on to the next student. Your resume has a QR code linking to a video of your best project, but nobody has time to ...
- 31 May 2026
Finishing My Overdrive Effect Guitar Pedal Kit

PorcupineZZZ

In late July of 2025 I had bought a guitar pedal kit but unfortunately it had been gathering dust on my shelf until April of this year, and by the time I had realized that I hadn’t bought all the supplies needed, the shop I bought I from closed...
- 31 May 2026
From Forgotten Parts to a Daily Tool

AngelSoto

Spring Clean 2026 - From Forgotten Parts to a Daily Tool An ESP32-based desktop workday tracker built from forgotten hardware. This Spring Clean project transformed an unused keypad, a damaged OLED display, and an ESP32 development board into a practical daily-use tool featuring FreeRTOS, Wi-Fi connectivity, SPIFFS logging, HTTP access, and a custom 3D-printed enclosure.
- 31 May 2026
Reviving a DSO138 Oscilloscope and Building a Basic Signal Test System

A.J

Introduction Like many electronics enthusiasts, I have a few unfinished projects that end up sitting on a shelf waiting for the right combination of time, motivation, and patience. One of those projects was a DSO138 oscilloscope kit. The DSO138 was a...
- 31 May 2026
Spring Clean Compact Power Supply

Braydenmoo

Hello, My name is Brayden and I am new to element 14, please excuse my messy desk. Context For the Spring Clean competition I am finishing a project that I started back in November. I wanted to make a Lab bench power supply to try to power an E...
- 31 May 2026
Joystick Controlled Robot (Murphy 2.0)

Toester

INTRODUCTION: I absolutely love animals, but I have quite bad allergies, so I’ve always wanted to make a robotic pet that I can play with whenever I’m bored. This is what got me into electronics last year, with an Arduino starter kit. I m...
- 31 May 2026
Building a secure, decentralized smart home from scratch

abtAmit

One year ago, i saw multiple similar projects on smart home, and decided to make a smart home automation from scratch, When you look at the current landscape of DIY smart home projects, they all seem to suffer from the same fundamental flaws. They a...
- 31 May 2026
The WindowTron - A Smart Home Environmental Control Platform

vmate

Overview I live in a house with no central ‘unified’ HVAC system. There are manually controlled radiators for winter heating, and a standalone split AC for summer cooling. This gets very frustrating in the cooler parts of the year especia...
- 31 May 2026
Completing the Christmas Tree Earring after 6 Months

arvindsa

For the Hack the Holidays Competition where in i made a Project NorthPole Navigator I proposed to make an earring with LED lights what would glow faster when closer to Hidden Christmas gift. Sadly the PCB came in late and so i had to make d...
- 31 May 2026
Replacing an Aging Cochlear Implant Battery Carry Box

arvindsa

One of my close family member uses a Cochlear Implant, For daily carry, they had provided a box where in, the speech processor and the spare rechargeable batteries can be kept but over time it started fraying and there was a big usability issues. Wit...
- 31 May 2026
Building a Low Power keyboard for Future Projects

arvindsa

In Nov 2025, I saw a post on hackster - https://www.hackster.io/news/solder-party-launches-the-keebdeck-a-compact-silicone-keyboard-for-space-constrained-projects-06d01d8d106f that a querty silicone keyboard had been released. I have been a...
- 31 May 2026
Plugged In, At Last: My Custom STM32 HID Joystick

Jonathan325

How it all Started... Ever since playing some of the older WWII flight simulators and Star Wars Squadrons, I wanted to understand how joysticks actually worked under the hood — the ADCs, push buttons, USB HID protocol and all. So I set about se...
- 31 May 2026
Deaf Rover ___From Half-Built Prototype to Voice-Controlled Autonomous Robot

fyaocn

1 Project Origin and Vision 1.1 The Original Tennis Picker Project The Deaf Rover project traces its roots back to the "Tennis Picker" entry submitted for the "At the Core" Design Challenge. Tennis Picker@The Core#5 Picking Tennis via Dual-Core...
- 31 May 2026
Wardrobe Light Control --- undone

ralphjy

This project started out as a simple control circuit to switch the LED light strip in a Wayfair wardrobe assembly as described in my proposal Wardrobe Light Control. In the spirit of spring cleaning I had some obsolete Everlight ITR20001T ...
- 30 May 2026
Interactive CO2 meter panel

misaz

Two years ago, I won Christmas holiday special Project14 and as part of reward I won Farnell sponsored shopping cart of my choice. One of the parts was interesting CO2 sensor evaluation kit. It was unused for quite for quite a long time, but I made s...
- 30 May 2026
Spring Cleaning... a repair turns into an overhaul

colporteur

This repair project sat neglected on my shelf for over twelve months. The E14 Spring Cleaning contest motivated me to finish it. I completed the Fireworks Simulation with Optical Fibre Cable project in 2021. During a model railroad showing in 2...
- 28 May 2026
Turning Eggs with Code: My Journey Building a Smart Incubator

afernandez

About a year ago, my mother wanted to start raising chickens at home, so I bought her an egg incubator. At first, it looked like a fairly simple device: a plastic enclosure, a heating element, a small fan, some basic electronics, and a mechanism to t...
- 26 May 2026
Spring cleaning... gone wrong!

strb

Last year I partecipated to the Spring Clean competition and I enjoyed it a lot. It gave me the push to complete what I had left over at the time, freeing up some bench and mental space. This year, when I discovered that the Spring Clean challen...
- 24 May 2026
BreatheSafe - Hackathon Project to Real Device: DIY AQI Tracker for Runners

arvindsa

DIY air quality tracker using ESP32, LoRa & SEN6x sensor. Logs AQI, syncs via WiFi, and maps real-time pollution on the move.
- 22 May 2026
Reviving a Kids’ RFID Music with Lights Jukebox

arvindsa

Reviving a kids’ RFID music jukebox - cleaner, safer, and rebuilt to bring back interactive joy through sound and light.
- 21 May 2026