STEM Hacking

A field guide to hacker-accessible STEM domains (electronics, biohacking, radio, energy, aerospace) with tools, projects, and starter resources for each.

· Updated Jul 27, 2025

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🛠️ Core Hacker Domains (with license info where applicable)

1. Electronics & Embedded Systems

  • Focus: Microcontrollers, FPGAs, sensors, IoT devices

  • License: None

  • Affordable tools:

  • Projects:

    • Sensor-driven robotics, home automation, mesh communication

    • Wi-Fi/Bluetooth sniffers, protocol reversers using hcxdumptool

  • Resources:

2. Open Science Hardware & DIY Electronics

  • Focus: Tools you build yourself for science

  • License: None

  • Affordable kits/projects:

    • OpenPCR and CheapStat potentiostat (~$100) (wiki.p2pfoundation.net)

    • Smartphone spectroscopy and light-wave comms kits (~$20–50) (arXiv)

  • Projects:

    • DIY spectrometers using CD diffraction

    • Tricorder-style sensor wristbands, geiger counters

  • Resources:

    • HackRVA's hardware list, Maker Faire tool kits

3. Biohacking & DIY Biology

  • Focus: Genetic engineering, biosensors, bio-lab automation

  • License: Sometimes required for pathogens or CRISPR

  • Organizations:

  • Projects:

    • CRISPR kits to modify yeast or bacteria

    • Homebrew centrifuge, PCR machines

  • Resources:

4. Radio & RF Hacking

  • Focus: SDR, amateur radio, protocol reverse engineering

  • License: Receiving is free; transmitting needs license (HAM or local rules)

  • Affordable hardware:

    • RTL‑SDR (~€30)

    • Yard Stick One (~€120) for sub‑GHz injection

    • RFQuack platform combining multiple RF dongles (Wikipedia, arXiv)

  • Projects:

    • Record and replay car key fobs, thermostats, TPMS

    • Decode ADS‑B, NOAA, IoT sensors

    • Build custom LoRa or Bluetooth mesh device

  • Resources:

    • URH, GQRX, RFQuack community tools

    • CHART radio telescope detecting 21 cm HI line (arXiv)

5. Photonics, Light Sensing, and Optics

  • Focus: Free-space optical comms, spectroscopy, Li-Fi

  • License: Not usually required

  • Affordable tools:

    • Laser diodes, photodiodes, diffraction gratings

    • Smartphone spectrometer (~€10) (arXiv, arXiv)

  • Projects:

    • Li-Fi data link between LEDs and photo sensors

    • Building a home spectrometer for visible & near-UV

  • Resources:

    • University optics courses, Instructables optics projects

6. Energy Systems & High Voltage Exploration

  • Focus: Tesla coils, railguns, power electronics, solar/renewables

  • License: None, but safe handling required

  • Affordable hardware:

    • Flyback transformers, capacitors, MOSFETs

    • Recycled Li-ion batteries, solar panels

  • Projects:

    • Build Tesla coil / plasma music device

    • Solar MPPT charger using ESP32 or Arduino

    • DIY battery management system

  • Resources:

    • Maker forums, YouTube builds, power electronics textbooks

7. Aerospace, Balloons & Near-Space Missions

  • Focus: High-altitude balloons, amateur satellites, tracking ground stations

  • License: Required for >25 km or national airspace

  • Affordable tools:

    • Mini weather balloons, LoRa trackers, SD cards, sensors

    • RTL‑SDR + tracking scripts

  • Projects:

    • Send imaging payloads to ~30 km altitude

    • Build DIY ground station for satellite reception and telemetry

  • Resources:

8. Machine Tools, CNC & Fabrication

  • Focus: Digital manufacturing, custom hardware building

  • License: None

  • Affordable hardware:

    • Open-source CNC routers (Good Enough CNC, Maslow CNC) (wiki.p2pfoundation.net)

    • 3D printers (RepRap, LulzBot)

  • Projects:

    • Fabricate custom enclosures or antenna mounts

    • Build cabinetry or metal parts using CNC

    • Combine electronics and mechanical systems

  • Resources:

    • Thingiverse for CAD models, Hackster.io workstation builds

9. Neuro Hacking & Biometric Systems

  • Focus: EEG/EMG-based human-computer interaction, wearable sensors

  • License: Possibly regulated for medical use

  • Affordable hardware:

    • OpenBCI kits (<€200)

    • DIY gel electrodes, EDU kits

  • Projects:

    • Simple BCI that controls devices

    • Wearables to log heart rate, muscle activation

  • Resources:

🏁 Putting It All Together: The Hacker STEM Ecosystem

Domain Example Project Toolkits / Kits Cost Estimate
Embedded Systems Custom LoRa mesh communicator ESP32 Dev Kits €8–20
Open Hardware Lab Tools DIY potentiostat, PCR CheapStat, OpenPCR €50–100
Bio Lab CRISPR yeast experiment DIYbio starter kits €200+
RF / SDR ADS‑B plane tracker RTL‑SDR + antenna €30–60
Optics / Li-Fi Visible light wireless link LEDs + photodiode €10–30
Energy / HV Tesla coil / Solar tracker HV kit, Li-ion modules €50–150
Aero Missions Stratospheric balloon payload (imaging) Balloon kit + sensors €100–300
Fabrication CNC router to build antenna structures Open CNC kit €300–500
Neuro Wearables EEG BCI control interface OpenBCI or SpikerBox €150–250

🌱 Starter Paths by Budget

Under €100:

  • ESP32 + sensors projects

  • RTL‑SDR projects (ADS‑B, car remotes)

  • DIY spectrometer with smartphone

  • Li‑Fi communication LED link

  • OpenBCI or SpikerBox for simple EEG sensing

€100–300:

  • CheapStat/OpenPCR experiments

  • High-altitude balloon missions

  • CRISPR yeast kits

  • Basic CNC router building

  • Affordable Tesla coil

€300–600:

  • Fully integrated multi-domain lab: CNC + SDR + bio kits

  • Advanced ground station for CubeSat reception

  • Fabricated dirigible drone, custom antenna arrays

📚 Learning Resources & Community Hubs

🧭 Final Guidance

  • Begin with one domain (e.g., SDR + embedded systems), then gradually branch into optics, bio, aerospace, etc.

  • Join a local hackerspace or makerspace: they often offer tools, safety oversight, and community support.

  • Track progress via a notebook and checklist, from building a spectrometer to running a lab-grade electrochemical test.

  • Seek small grants or second-hand lab gear: bioscience labs often donate outdated equipment.

# Domain Hacker Potential ⚡ DIY Friendliness 🛠 Starter Resource(s) 📚
1 Electronics ★★★★★ ★★★★★ Make: Electronics, Arduino Starter Kit
2 Embedded Systems ★★★★★ ★★★★★ ESP32, RP2040, PlatformIO
3 RF & SDR ★★★★★ ★★★★☆ RTL-SDR, Hobbyist's Guide to RTL-SDR
4 Radio Astronomy ★★★★☆ ★★★★☆ RTL-SDR + dish, NOAA/GOES guides
5 Optics & Spectroscopy ★★★★☆ ★★★★☆ DIY spectrometer, Introduction to Optics
6 Electromagnetic Waves ★★★★☆ ★★★★☆ SDR tools, Antenna theory (Balanis)
7 Signal Processing ★★★★☆ ★★★★☆ Think DSP by Allen Downey, GNU Radio
8 Control Systems ★★★★☆ ★★★☆☆ Arduino + PID tuning, Feedback Systems (Åström)
9 Mechatronics ★★★★☆ ★★★★☆ Arduino + motors, Robot Builder's Bonanza
10 Robotics ★★★★☆ ★★★★☆ OpenCV, ROS2, Learning ROS for Robotics Programming
11 Biohacking ★★★★☆ ★★★☆☆ BioBuilder, OpenPCR kit
12 Chemistry Hacking ★★★☆☆ ★★★★☆ Home Chemistry by R.B. Thompson
13 High Voltage / Tesla Coils ★★★★☆ ★★★☆☆ Flyback transformers, Tesla Coil Design Manual
14 Satellite Comms (APT/HRPT) ★★★★☆ ★★★☆☆ RTL-SDR + NOAA APT kit
15 GNSS & GPS Hacking ★★★☆☆ ★★★★☆ Ublox NEO-6M, GPS-SDR-SIM
16 Radiation Detection ★★★★☆ ★★★★☆ SBM-20 Geiger tubes, Arduino counters
17 Quantum Computing ★★☆☆☆ ★★☆☆☆ IBM Qiskit simulator, Quantum Computation & Info
18 Cryptography ★★★☆☆ ★★★★★ The Code Book, Cryptopals Challenges
19 Reverse Engineering ★★★★★ ★★★★☆ Ghidra, Radare2, Practical Reverse Engineering
20 PCB Design ★★★★☆ ★★★★☆ KiCAD, Make Your Own PCBs with KiCAD
21 VLSI / Chip Design ★★☆☆☆ ★★☆☆☆ OpenLane, Skywater PDK, Digital Design by Morris Mano
22 Computer Architecture ★★★☆☆ ★★★★☆ nand2tetris, RISC-V boards
23 Operating Systems ★★★★☆ ★★★☆☆ Operating Systems: Three Easy Pieces, xv6
24 Compilers ★★★☆☆ ★★★★☆ Crafting Interpreters, Let's Build a Compiler
25 IoT & Home Automation ★★★★☆ ★★★★★ ESPHome, Tasmota, Home Assistant
26 TinyML / Embedded AI ★★★★☆ ★★★★☆ ESP32-S3, TinyML by Pete Warden
27 Machine Learning ★★★☆☆ ★★★☆☆ Hands-On ML by Aurélien Géron
28 Data Science ★★★☆☆ ★★★☆☆ Python for Data Analysis, Jupyter
29 Computer Vision ★★★★☆ ★★★☆☆ OpenCV + webcam, PyTorch
30 Neuroscience ★★☆☆☆ ★☆☆☆☆ Principles of Neural Science, EEG headbands
31 Brain-Computer Interfaces ★★★☆☆ ★★☆☆☆ OpenBCI, Emotiv Insight
32 Cybersecurity ★★★★☆ ★★★★★ HackTheBox, The Web Application Hacker’s Handbook
33 Wireless Sensor Networks ★★★☆☆ ★★★★☆ LoRa, ESP-NOW, Zigbee kits
34 Acoustic Engineering ★★★☆☆ ★★★☆☆ Audio analyzers, ultrasonic sensors
35 Thermodynamics ★★★☆☆ ★★☆☆☆ How Everything Works, Steam kits
36 Fluid Dynamics ★★★☆☆ ★★☆☆☆ CFD simulations, wind tunnels
37 Aero Engineering ★★★☆☆ ★★☆☆☆ RC planes, flight simulators
38 Automotive Hacking ★★★★☆ ★★★☆☆ OBD2 + CAN tools, The Car Hacker’s Handbook
39 Satellite Engineering ★★☆☆☆ ★☆☆☆☆ Cubesat kits, DIY Satellite Platforms
40 Wearables ★★★☆☆ ★★★★☆ LilyPad Arduino, ESP32 BLE
41 Augmented Reality ★★★☆☆ ★★★☆☆ AR.js, OpenCV
42 Simulation & Modeling ★★★☆☆ ★★★★☆ Simulink, Python, COMSOL (Lite)
43 Environmental Sensing ★★★☆☆ ★★★★☆ CO2, PM2.5, VOC sensors
44 Renewable Energy ★★★☆☆ ★★★★☆ DIY solar panel kits, wind generator kits
45 Energy Storage ★★☆☆☆ ★★★☆☆ Battery management systems
46 Materials Science ★★☆☆☆ ★★☆☆☆ DIY crystal growth, tensile testing
47 Nanotech ★☆☆☆☆ ★☆☆☆☆ Educational microscope kits
48 Spectral Imaging ★★★☆☆ ★★☆☆☆ DIY multispectral cameras
49 Smart Materials ★★☆☆☆ ★★☆☆☆ Shape memory alloys, e-ink displays
50 Structural Engineering ★★☆☆☆ ★★☆☆☆ Finite Element Analysis (FreeCAD FEM)
51 Seismology ★★☆☆☆ ★★☆☆☆ DIY seismograph with geophones
52 Ocean Engineering ★☆☆☆☆ ★☆☆☆☆ ROV kits, OpenROV projects
53 Topology & Knot Theory ★★☆☆☆ ★★☆☆☆ The Knot Book, 3D-printed topologies
54 Chaos Theory ★★☆☆☆ ★★★☆☆ Double pendulum builds, logistic map sims
55 Game Theory ★★☆☆☆ ★★★☆☆ Python simulations, The Art of Strategy
56 Quantum Sensors ★☆☆☆☆ ★☆☆☆☆ NV center kits (cutting edge, expensive)
57 Smart Agriculture ★★★☆☆ ★★★★☆ Soil moisture, LoRaWAN farm sensors
58 Digital Twins ★★☆☆☆ ★★☆☆☆ Unreal Engine, Unity Physics
59 Photonics ★★☆☆☆ ★★☆☆☆ Optical fiber demos, laser modulation
60 Spintronics ★☆☆☆☆ ★☆☆☆☆ Research papers, few DIY kits yet