Electronic Load Tester
MOSFET and Op-Amp constant-current sink for battery capacity testing and power supply load regulation, with OLED readout and over-temperature protection.
Hobby Electronics Lab
Build wild circuits.
Learn by soldering.
FullyAutomatix is a maker site dedicated to practical electronics projects, microcontroller experiments, and 3D-printed enclosures for complete home automation systems and custom gadget builds.
Featured Projects
Builds You Can Finish This Weekend
12V UPS
Bench-top uninterruptible power supply using a Li-Ion 3S2P cell pack with active current limiting, BMS protection, and sub-20 ms automatic switchover.
Auto-Off Timer
Mains-connected auto-off timer using a C005 timer IC, relay output, and a transformerless capacitive power supply on a compact single-layer PCB.
Resources
YouTube Channels and Blogs That Inspire Builds
A running list of creators, educators, and blogs that have shaped many of these hobby electronics and 3D-printing automation ideas.
- GreatScott!: Practical electronics explanations, test equipment usage, and clear project walk-throughs.
- Andreas Spiess: Deep dives into ESP boards, sensors, power strategies, and home automation integrations.
- DroneBot Workshop: Breadboard-to-firmware tutorials that are ideal for hobby prototyping and learning-by-doing.
- Adafruit Learning System: Structured project guides, code examples, and troubleshooting notes for all skill levels.
- SparkFun Blog: Build ideas, product teardowns, and approachable tutorials for sensors, comms, and embedded gadgets.
- Hackaday: Daily inspiration from creative hardware hacks, reverse engineering, and custom fabrication.
Component Sourcing
Where to Buy Electronics Parts
Use this section to keep your go-to vendors for sensors, passives, modules, connectors, and prototyping hardware. These links are easy to swap with your preferred sources.
- DigiKey: Excellent stock depth, fast shipping, and strong parametric search for exact components.
- Mouser: Great for broad manufacturer coverage, datasheet access, and engineering-grade parts.
- LCSC: Very cost-effective for hobby and small-batch builds with wide module and component variety.
- Adafruit: Best for beginner-friendly breakout boards, clear documentation, and reliable tutorials.
- SparkFun: Strong prototyping ecosystem with useful dev boards, shields, and educational resources.