How-Tos

electronics

Reverse-Engineering Unknown RF Protocols with RTL-SDR and Universal Radio Hacker (URH)

20 days ago

rtl-sdruniversal radio hackerurhrf reverse engineeringsub-ghzsdr

laser

Creality Falcon2 Pro Complete Setup Guide: Assembly, Falcon Design Space, and Your First Cut

20 days ago

laser cuttingcreality falcon2 prodiode laserenclosed laserlaser safety

electronics

Home Assistant Voice Preview Edition: Hardware, ESPHome Customization, and Wyoming Satellite Integration

20 days ago

home assistantesphomeesp32-s3wyoming protocolvoice assistantsmart home

3d-printing

Bambu Lab LAN-Only Mode and Cloud Connectivity: What Changed, Privacy Trade-offs, and Keeping Local Control

20 days ago

3d printingbambu lablan only modebambu connectcloud printingprivacyfirmware

flipper-zero

Flipper Zero microSD Card Guide: Choosing, Formatting, Fixing Errors, and Directory Layout

21 days ago

flipper-zeromicrosdsd-cardfat32troubleshootingstoragefirmware

raspberry-pi

Raspberry Pi Read-Only Root Filesystem: Overlay FS Setup to Prevent SD Card Corruption

21 days ago

raspberry-piread-onlyoverlayfssd-cardreliabilityraspi-configkioskembedded

3d-printing

Fixing Z Banding and Z Wobble on FDM Printers: Diagnosing Periodic Layer Defects

21 days ago

3d-printingz-bandingz-wobbleprint-qualitylead-screwtroubleshootingcalibration

cnc

Dogbone and T-Bone Fillets for CNC Router Plywood Joinery: Corner Relief Math and Toolpath Setup

21 days ago

cncjoinerydogbonet-boneplywoodcad-camfusion-360tolerances

electronics

ESP32 PSRAM and Custom Partition Tables: Allocating Large Buffers, OTA Layouts, and Flash Maps

21 days ago

esp32psrampartition-tableotalittlefsarduinoesp32-s3memory

electronics

ATS Mini SSB Patch Loading and BFO Calibration: Getting Clear Single-Sideband Reception

21 days ago

ats-minissbbfosi4732shortwaveham-radiocalibrationlsbusb

workshop

Iron and Steel Casting for Makers: Why It's Different (and More Dangerous) Than Aluminum and Bronze

21 days ago

castingfoundryironsteelcupola furnaceinduction furnacemetal casting safety

flipper-zero

Detecting Rogue Bluetooth Trackers (AirTags, Tiles, SmartTags) with the Flipper Zero

21 days ago

flipper zerobluetoothbleairtagtilesmarttagtracker detectionpersonal safety

raspberry-pi

Self-Hosting Whisper and Piper on Raspberry Pi: Local Speech-to-Text and Text-to-Speech for Home Assistant

21 days ago

whisperpiperspeech to texttext to speechhome assistantraspberry piwyoming protocoloffline voice

raspberry-pi

Dual NVMe SSDs on Raspberry Pi 5: M.2 HATs, RAID, and Real-World Throughput

21 days ago

raspberry pi 5nvmeraidm.2 hatstoragepciemdadm

electronics

ESP32 Secure Elements: Using the ATECC608 for Device Authentication and Anti-Cloning

21 days ago

esp32atecc608secure elementauthenticationcryptographyiot securityanti-cloning

electronics

I2C Multiplexers for Makers: TCA9548A Wiring and Reading Multiple Identical-Address Sensors

21 days ago

i2ctca9548amultiplexersensorsesp32raspberry pivl53l0xbme280

electronics

Adding Real-Time Audio DSP and EQ to ESP32 Projects: Biquad Filters, Crossovers, and the ESP-DSP Library

21 days ago

esp32audiodspeqbiquadesp-dspi2scrossoversignal processing

cnc

CNC Machining Foil Stamping and Embossing Dies: Brass, Copper, and Depth Control for Makers

21 days ago

cncembossingfoil stampingdiesbrasscopperleatherbookbindingrelief carving

laser

Laser Engraving Concrete, Cement Pavers, and Natural Stone: Settings, Contrast, and Silica Dust Safety

21 days ago

laser engravingconcretecementnatural stonegranitemarblesilica dustco2 laserdiode laser

3d-printing

LW-PLA and Foaming Filaments: Printing Lightweight Parts for Drones, RC, and Weight-Critical Builds

21 days ago

lw-plafoaming filamentlightweight 3d printingrcdronedensitywing printing

workshop

Lost Foam Casting for Makers: EPS Pattern Burnout Directly in Unbonded Sand

22 days ago

lost foam castingeps foammetal castingfoundrysand castingpatternrefractory coatingsafety

raspberry-pi

Turning a Raspberry Pi Camera Into a UVC Webcam or NDI Source for Streaming

22 days ago

raspberry picamera moduleuvc gadgetndiwebcamstreaminglibcameravideo production

raspberry-pi

Running Your Laser Cutter Headless from a Raspberry Pi: LightBurn Bridge and GRBL Web Control

22 days ago

raspberry pilaser cutterlightburn bridgeheadlessgrblcncjsnetwork renderingremote control

electronics

Web Bluetooth for ESP32: Building Live BLE Dashboards Directly in the Browser

22 days ago

esp32web bluetoothblegattbrowserjavascriptchromewireless dashboardno app