Engineering Hub
Robotics & Machines
Digital Fabrication
Engineering Hub

Where Code
Meets Metal

The definitive community for hardware engineers, makers, and hackers. From embedded firmware and AI to CNC machining and custom circuit design.

Electronics & Circuits

More in Electronics & Circuits
Audio & Synth

Valve Commander Low Voltage Tube Guitar Pedal DIY

Single Board Computers (SBCs)

Raspberry Pi Pico Matrix Project

Single Board Computers (SBCs)

Raspberry Pi, Ai Camera, SONY IMX500 Object Recognition. Halloween Project.

Single Board Computers (SBCs)

DrinkTimer: Smart LED Timer for Your Party – DIY Project With NeoPixel, Raspberry Pi Pico, and MicroPython [Guide + Code]

Microcontrollers

LoRa IoT Project With Arduino ESP8266 Control Relay Using Blynk

Single Board Computers (SBCs)

3D Printed Robotics Development Platform With Nvidia Jetson Nano

PCBs & Circuit Design

Design a PCB for the Very First Time in KiCad

Retro Tech & Repair

Building a Gameboy Macro in 2021

Sensors & Modules

Building a GPS/GNSS Receiver Using MosaicHAT and Arduino

PCBs & Circuit Design

How to Make Arduino Smartwatch With Custom PCB

Microcontrollers

Project Lighthouse - 360° Mini Arduino LiDAR

Audio & Synth

Beautiful color music on addressable RGB strip

PCBs & Circuit Design

Head Phone Amp With Custom PCB

Sensors & Modules

GPS Car Tracker With SMS Notification and Thingspeak Data Upload, Arduino Based, Home Automation

Power & Batteries

Wireless charging system for electronic peephole

PCBs & Circuit Design

Learn How to Design a Custom Shaped PCB With EasyEDA Online Tools

Single Board Computers (SBCs)

Volume Control on Raspberry Pi with IR Remote Control

PCBs & Circuit Design

How to Make Custom PCB Shapes (with Inkscape and Fritzing)

PCBs & Circuit Design

Berry Racer - a Game Programmed in Arduino and Played on a Custom PCB

Microcontrollers

Automatic Smart Plant Pot - (DIY, 3D Printed, Arduino, Self Watering, Project)

Coding, IoT & AI

More in Coding, IoT & AI
Smart Home & IoT

Just Got My MaTouch 7” ESP32-S3 Running With Home Assistant Via ESPHome — Here’s How It Went

AI & Computer Vision

ESP32 Voice Assistant With Gemini AI

Linux & Homelab

Running ROS 2 With Docker on Raspberry Pi - My Guide to Optimized Performance

Linux & Homelab

DIY NVMe Cooling for the HPE ProLiant Gen 10 Plus Microserver

Smart Home & IoT

Smart 360° Photo Turntable – ESP32 + ESPHome + Home Assistant

Smart Home & IoT

DIY Smart Studio LED Panel With ESP32 and Home Assistant Control (PWM Dimming + Warm/Cool White Color Mixing)

AI & Computer Vision

AI Voice Assistant

Smart Home & IoT

Rooftop Parking Surveillance Camera

Smart Home & IoT

Automatic warm water discharge system for reverse osmosis filters

Smart Home & IoT

DIY Smart Energy Meter With ESP32 + Home Assistant

Smart Home & IoT

Computer Monitor Light for Desk 2 Home Assistant ESP32.

AI & Computer Vision

Simple ESP32 CAM Object Detection Using Open CV

Smart Home & IoT

Building a Wireless Soil Moisture Sensor With ESPHome and Home Assistant

AI & Computer Vision

Customize a ChatGPT Assistant Using a RaspberryPi 4b, OpenAI, Azure Speech Services, the Azure Voice You Like and Your Description of Its Personality

Linux & Homelab

NAS Using Raspberry Pi for Your Home Network

Linux & Homelab

DIY Raspberry / Orange Pi NAS That Really Looks Like a NAS - 2023 Edition

Smart Home & IoT

Furniture backlighting on addressable LED strip

Smart Home & IoT

Installation of Japanese water ionizer OSG HumanWater HU-88 under kitchen sink

Smart Home & IoT

Reverse engineering of Bluetooth controller management for LED strip

Smart Home & IoT

3D Printed ESP32 On-Air Switch/Light Modules for Home Assistant

Robotics & Machines

More in Robotics & Machines
Animatronics

Animatronic Eyes - (Double and Single, 3D Printed, Compact, With Arduino)

Animatronics

Face With Animatronic Eyes, Motion Detection and Voice

Drones & FPV

DIY Arduino Drone: How to Make Guide!

Animatronics

Halloween Pumpkin With a Moving Animatronic Eye | This Pumpkin Can Roll Its Eye!

Drones & FPV

Parabolic signal amplifiers for Mi Drone quadcopter

Animatronics

DIY Compact 3D Printed Animatronic Eye Mechanism

Animatronics

Simplified 3D Printed Animatronic Dual Eye Mechanism

Drones & FPV

DIY Plant Inspection Gardening Drone (Folding Tricopter on a Budget)

Drones & FPV

DIY 3d Printed Modular Drone

Rovers & RC Vehicles

Custom Arduino to Keep CAN Steering Wheel Buttons With New Car Stereo

Robotic Arms & Automation

An Affordable Vision Solution With Robot Arm Based on Arduino

Rovers & RC Vehicles

Bluetooth Controlled Robot Car Using Arduino

Rovers & RC Vehicles

How to Build: Arduino Self-Driving Car

Robotic Arms & Automation

Arduino Computer Vision Robot Arm

Robotic Arms & Automation

LittleArm Big: a Large 3D Printed Arduino Robot Arm

Drones & FPV

DIY Build QUADCOPTER || Drone || Cc3d || Flight Controller Board (fcb) || in Only 13 Step || Simple & Easy

Rovers & RC Vehicles

DIY WIFI RC Car With ESP8266 and Arduino IDE

Robotic Arms & Automation

UArm Miniature Palletizing Robot Arm for Arduino

Animatronics

3D Printed Animatronic Eye Mechanism on the Cheap

Drones & FPV

DIY Drone Suitcase

Digital Fabrication

More in Digital Fabrication
CNC & Machining

Making a grill stand over the cooktop

CAD & 3D Modeling

'Artistic Moon Lamp' - Sculpted With Molded Paper and 3d Printing. 3D Design Tutorial With Fusion 360

CAD & 3D Modeling

Fusion 360 CAM Tutorial for 3D Carving Beginners

Laser Cutting & Engraving

Process to Utilize and Measure Irregular Scraps From Your CNC Router, Laser Cutter, Plasma or Water-jet Projects.

CNC & Machining

DIY CNC Waterjet Ceramic Tile Cutting Machine Version 1

3D Printing (FDM)

3d Printed Measuring Tools and Useful Accessories

CNC & Machining

D.I.Y 3-Axis Polar CNC Machine

CNC & Machining

CNC Woodworking Challenge Shelf Deco ICHS

CAD & 3D Modeling

RC Plane Autopilot (Fusion 360 Electrical Design Tutorial)

Laser Cutting & Engraving

ESP32 Cam Laser Cut Acrylic Enclosure

3D Printing (SLA/Resin)

SLA 3D Printer Acid Etched Circuit Boards

CAD & 3D Modeling

Designing a Simple 3D Printed Rubber Band Car Using FreeCAD

3D Printing (FDM)

Design & Print a 3D Printed Video Call Mirror Tool

3D Printing (SLA/Resin)

Platypus Water Bottle SLA 3D Print Wash Station

3D Printing (FDM)

Mounting of a three-way ball valve for reverse osmosis system

3D Printing (FDM)

3D Printed Magnetic Toolchanger

3D Printing (FDM)

3D printing of the tank lid for the Philips FC7020 Steam Plus 2-in-1 steam cleaner

3D Printing (FDM)

Air discharge hose mount for BALLU BPAC-07 air conditioner

3D Printing (SLA/Resin)

Tools to Remove Support Structures and Rinse 3D Object in Resin (SLA/DLP/LCD) 3D Printing Ⅱ

3D Printing (FDM)

3D Printed Press Brake Forming Tools

Workshop & Tools

More in Workshop & Tools
Test Equipment

Build Your Own Arduino Nano Based DIY Oscilloscope With OLED Display – Complete Guide

Workspace Organization

Workshop Storage Organizer From Old Canisters

DIY Tools & Jigs

5 Simple and Essential Power Tool Woodworking Jigs

Test Equipment

Component Tester UNO Shield

Test Equipment

USB Component Tester

DIY Tools & Jigs

Small and Cute, HomeMade Modern DIY Sofa | Minimum Tools

Test Equipment

Component Tester in a Keychain

Test Equipment

Upgrade DIY Mini DSO to a Real Oscilloscope With Awesome Features

Workspace Organization

Upgrading My Workshop Storage

Workspace Organization

Mount a Headboard With a French Cleat

Test Equipment

Electronic Component Tester (with a Nice Case)

Workspace Organization

French Cleat Wall With Clamp Racks | How to Build - Woodworking

Workspace Organization

Renovating a Pantry With French Cleat Shelving

DIY Tools & Jigs

Kumiko Jigs - Japanese Woodworking

DIY Tools & Jigs

How to Make a 3D Printed Drill Jig for Dowel Joints

Workspace Organization

French Cleat Tool Storage Wall and Clamp Rack

DIY Tools & Jigs

Homemade or Makeshift Tools to Make a Leather Pendant

DIY Tools & Jigs

DIY Cordless Air Blower (Homemade Tools)

DIY Tools & Jigs

Homemade Carbide Wood Lathe Tool

DIY Tools & Jigs

Homemade Tool Handle for Carbide Cutter

Radar Feed

More Radar Feed videos
12:00

Seafile: Fastest Self-Hosted Cloud Storage 2026

8:09

This Homemade Inverter Has MULTI Voltage Outputs! (12V to 220V)

18:20

ESP32 & ESP8266 Firebase Home Automation 🔥 Multi-Room IoT project with Free Dashboard 2026

12:30

Build the TINIEST ESP32 Drone (Now a Kit) | ESP-FLY Tutorial

5:01

CD4060 Binary Counter LED Circuit – Easy DIY Electronics Project

16:27

I Built a Robot Arm with Industrial-Grade Performance

17:06

Built this small pocket size 150 watt Inverter /DIY/

16:27

Setting Up Self-Hosted Obsidian LiveSync

11:05

Running AI Agent on ESP32 S3 Board 🦞

6:24

50Hz Current Transformer Signal Processing Circuit TL084 + LM393

6:40

POWER Monitoring with ESP01, PZEM-004T and Home Assistant

9:14

The Australian Battery Rebate in 2026: What's Changed - And What You Need To Know.

14:36

10 Home Assistant add-ons to make it WAY Better!

16:28

Auto-Ban SSH Attackers with Fail2Ban (Homelab Security Part 2)

12:44

These Tools Made My Home Lab Feel Like a Real Datacenter

Solids Ranch

More Solids Ranch projects
2 FILES

Raspberry Pi Pico MP3 Music Box

1 FILE

MKS TS35 Mount for CR10

1 FILE

Atari TT / MegaSTE Gotek Mount

2 FILES

E-Ink Display | ESPHome-TRMNL 7.5"

1 FILE

R/C Helicopter InFusion 180 Canopy Mount Pegs

3 FILES

SwitchBot RGB Lamp Horizontal Wall Mount (Compact)