Close

Your browser (Internet Explorer) is out of date.

Update your browser for more security, comfort and the best experience on this site.

Update Internet Explorer'

Projects f4drj likes and follows

9.2k
4.5k
70
EBM - 3D Metal & Ceramic Printer - Electron Beam Melting
Project Owner Contributor

3D Metal & Ceramic Printer

agustin-cruzAgustin Cruz

2.2k
770
4
Using the highest power germicidal LEDs currently available, paired with lithium ion batteries in a portable footprint.
Project Owner Contributor

Handheld UVC LED disinfector

markcMarkC

59.6k
443
351
Open-Source Infrared Remote Using ESP32 and LVGL
Project Owner Contributor

OMOTE - DIY Universal Remote

maxkMax.K

21.5k
188
150
Raspberry pi based open source device with SDR and easy to use controls for exploring RF signals and data.
Project Owner Contributor

SDR dock 1.0

kaushlesh-c-kd9vfuKaushlesh C. ( KD9VFU )

17k
99
82
Portable spot welder that doesn't need microcontrollers, uses recycled industrial thyristor and mostly off-the-shelf components
Project Owner Contributor

Not-so-smart capacitive discharge spot welder

wojciech-adalbert-jWojciech "adalbert" J

5.7k
58
47
A power supply solution for products requiring up to 600mA @ 5V from 2 x 55F Capacitors and small 5V Solar Panel
Project Owner Contributor

Solar Super Capacitor Power Supply

darryl-normanDarryl Norman

3.7k
43
37
Retro nostalgia Pi 400 cyberdeck for "jacking in," open source hacking, and remembering terminals, bulletin board systems and early Internet
Project Owner Contributor

Bootless Pi 400 Cyberdeck

charles-stevensonCharles Stevenson

6.1k
36
22
Getting battery data out out of the OBD-II diagonostic port
Project Owner Contributor

UDS Vehicle Data Logger

floFlo

2.9k
25
25
All the sections required to make a full size humanoid robot with integrated AI models - an open source response to corporate robots
Project Owner Contributor

Modular Open Source Humanoid AI Robot

therobotstudiotherobotstudio

3.8k
23
16
3D printable ESPHome based 400W Single or Dual Axis Solar Tracker
Project Owner Contributor

Sunchronizer - Single/Dual Axis Solar Tracker

fabianFabian

13.7k
23
10
Create your own Meshtastic LoRa Node with our easy DIY guide. A complete step-by-step for building your customized mesh communication system
Project Owner Contributor

Meshtastic DIY - How To Build Your Own Meshtastic

adrelienAdrelien

5.6k
19
18
Complete 3.5 kW charging solution for electric vehicles incl. solar, battery and wall-box
Project Owner Contributor

JUICEROO - Off-Grid EV charger

dominic-buchstallerDominic Buchstaller

2.6k
14
14
This is my attempt to the Hack it Back challenge, with my hoverboard based rover robot
Project Owner Contributor

Hack it Back - Rise of the Hoverboard

tanguyTanguy

2.8k
13
15
Compact, low-power, solar + battery powered, LoRa + GPS node based on ESP32-S3 PowerFeather
Project Owner Contributor

DIY ESP32 solar LoRa + GPS node

powerfeatherdevpowerfeatherdev

1.7k
11
7
A very simple, low cost MPP solar charger built around the venerable 555 timer
Project Owner Contributor

555 MPP solar charger

patrick-van-oosterwijckPatrick Van Oosterwijck

1.2k
8
4
ESP32 based Ethernet I/O module with MQTT support
Project Owner Contributor

Ethernet IO

andrs-makaiAndrás Makai

7.3k
8
5
Learn how to create your own DIY Meshtastic node using the NRF52840. Take advantage of the NRF52840 low power consumption, compact size, a
Project Owner Contributor

Meshtastic DIY - How To Build Your Own Meshtastic

adrelienAdrelien

1.3k
7
6
This device pulls water out of dry air with nothing more than solar heating.
Project Owner Contributor

Solar Passive Atmospheric Water Generator

scott-monaghanScott Monaghan

591
6
7
Make JetAuto robot car driving automatically inside the map with kinds of road signs. traffic lights and lane mark by Yolo V5 deep learning.
Project Owner Contributor

YOLO v5 : Autonomous Driving Scenario of JetAuto

undefined

504
3
2
A simple cable tester using a 555 as the heart of the system
Project Owner Contributor

Cable Test RJ45 / RJ12

xdesigxdesig

317
2
2
A power supply solution for products requiring up to 600mA @ 5V from 2 x 55F Capacitors and small 5V Solar Panel
Project Owner Contributor

Solar Super-capacitor Power Supply

darryl-normanDarryl Norman

Going up?

About Us Contact Hackaday.io Give Feedback Terms of Use Privacy Policy Hackaday API

© 2026 Hackaday