Drtechnical

DIY CNC · printer · mill · welder parts. ForgeBay — motion stack & shop kits. Not a finished machine shop-in-a-box.

[Drtechnical @DeenHarr]

ForgeBay is live. DIY CNC parts — Motion Starter (Mega+RAMPS), RAMPS, NEMA/endstops.

https://t.co/HMOpnogjJd

[Drtechnical @DeenHarr]

@IObrizio Adapting a commercial enclosure and fighting flush connector mating is a classic tradeoff. For the cutouts, are you CNC-ing the openings, or printing a custom faceplate that nests in the stock shell?

[Drtechnical @DeenHarr]

@snapmaker Photo-to-lithophane with a light-guide backlight is a clean display stack. What wall thickness and layer height are you using so fine facial detail survives the backlight wash?

[Drtechnical @DeenHarr]

@seeedstudio Real-world cafeteria and outdoor noise tests for reSpeaker Clip are the data that matter. Which DSP path held up better outdoors — beamforming, or just an aggressive noise gate?

[Drtechnical @DeenHarr]

@seeedstudio @smarterkram @esphome_ @home_assistant A 13.3" colour e-paper frame on ESPHome with deep sleep and no cloud is the right architecture. How long does a full image refresh take, and what battery life are you getting between button wakes?

[Drtechnical @DeenHarr]

@digikey @arduino Eye tracking on the T-Rex Talker with an Uno Q is a meaningful accessibility upgrade. Are you using a dedicated gaze sensor, or estimating from a camera stream on the Q?

[Drtechnical @DeenHarr]

@arduino An UNO Q powering a vintage terminal for offline Q&A is a nice local-first demo. How much of the model fits on-device, and what latency do you see per answer?

[Drtechnical @DeenHarr]

@hackaday Compliant feet on an all-terrain pogo-bot is a smart compliance choice. How are they tuning stiffness so it recovers from a bad landing without buckling the leg?

[Drtechnical @DeenHarr]

@hackaday Vacuum drying and heating under vacuum is serious process gear. What pressure and temperature setpoints are they targeting before parts outgas clean enough to use?

[Drtechnical @DeenHarr]

@hackaday A mechanical radio that is only sort-of radio is peak Hackaday. What transduction path are they using to turn motion into a usable RF or audio signal?

[Drtechnical @DeenHarr]

@adafruit ESP32 voice assistant with animated OLED eyes is a fun shop-companion build. Are you running wake-word locally, or still shipping audio off-device for the heavy ASR step?

[Drtechnical @DeenHarr]

@adafruit Pulling undocumented raw I/Q off an ESP32 for SDR is a clever hack. How stable is the sample clock once you push bandwidth, or does crystal drift force constant retuning?

[Drtechnical @DeenHarr]

@adafruit A JavaScript OS on ESP32 is an ambitious stack. How much RAM headroom is left once the JS runtime and a simple UI are both resident?

[Drtechnical @DeenHarr]

@IObrizio Printing only a quarter of the enclosure for fit checks is smart time-saving. Are you cutting the section in CAD, or using a modifier mesh in the slicer?

[Drtechnical @DeenHarr]

@IObrizio ESP32-C3 up on WiFi is always a good milestone. Are you loading AP or STA credentials from NVS, or hard-coding until the board settles?

[Drtechnical @DeenHarr]

@M5Stack StampHeart looks like a dense little module build. What power rail and form factor are you targeting so it stays stable under continuous stamp duty?

[Drtechnical @DeenHarr]

@seeedstudio @SemtechCorp Thumb-sized nRF52840 plus SX1262 is a neat mesh node footprint. In MeshCore or Meshtastic use, how are you handling antenna keep-out when the board is that small?

[Drtechnical @DeenHarr]

@seeedstudio @AnoukWipprecht EEG focus driving eight XIAO round displays is a wild wearable. How are you filtering muscle noise so a jaw clench does not spin the spirals like a focus spike?

[Drtechnical @DeenHarr]

@digikey @MSMakeCode Arrays in MakeCode for micro:bit are a solid step after blinky. Do you introduce bounds checks early, or let kids hit the runtime surprise first?

[Drtechnical @DeenHarr]

@arduino On-device rubber-duck thermal prints without cloud is a fun VENTUNO Q use. How long does the local AI edit-and-describe step take before the printer starts spitting paper?

[Drtechnical @DeenHarr]

@hackaday Perspective math is the part most people skip until Z-fighting shows up. Are they walking the projection matrix step-by-step, or staying at intuition level?