Spring Clean Projects 2026

Big Bot Billy Bass

KieferD17 — Mon, 01 Jun 2026 04:58:03 GMT

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...(read more)

Handheld Multi-Band RF Analyzer and Packet Radio

Jose00 — Mon, 01 Jun 2026 03:56:02 GMT

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 ...(read more)

Building a Secure, Decentralized Smart Home from Scratch (Part 2)

abtAmit — Sun, 31 May 2026 23:03:15 GMT

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...(read more)

Pill reminder

alin.postu — Sun, 31 May 2026 22:54:59 GMT

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...(read more)

Meet Bowie! The Printed Circuit Bowtie

Oday — Sun, 31 May 2026 22:48:56 GMT

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 ...(read more)

Finishing My Overdrive Effect Guitar Pedal Kit

PorcupineZZZ — Sun, 31 May 2026 22:37:59 GMT

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...(read more)

From Forgotten Parts to a Daily Tool

AngelSoto — Sun, 31 May 2026 22:11:20 GMT

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.(read more)

Reviving a DSO138 Oscilloscope and Building a Basic Signal Test System

A.J — Sun, 31 May 2026 22:03:46 GMT

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...(read more)

Spring Clean Compact Power Supply

Braydenmoo — Sun, 31 May 2026 21:54:09 GMT

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...(read more)

Joystick Controlled Robot (Murphy 2.0)

Toester — Sun, 31 May 2026 20:45:58 GMT

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...(read more)

Building a secure, decentralized smart home from scratch

abtAmit — Sun, 31 May 2026 17:32:45 GMT

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...(read more)

The WindowTron - A Smart Home Environmental Control Platform

vmate — Sun, 31 May 2026 17:14:57 GMT

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...(read more)

Completing the Christmas Tree Earring after 6 Months

arvindsa — Sun, 31 May 2026 16:37:20 GMT

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...(read more)

Replacing an Aging Cochlear Implant Battery Carry Box

arvindsa — Sun, 31 May 2026 15:34:37 GMT

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...(read more)

Building a Low Power keyboard for Future Projects

arvindsa — Sun, 31 May 2026 14:58:16 GMT

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...(read more)