09 / Workbench · September 20, 2026
On the workbench
The real grexBot, mid-build: a lit-up face, exposed wiring, and a desk full of parts.
Read the entry ↗The grexBot build journal
A robot doesn't
happen all at once.
Sketches, printed parts, small fixes, and a few detours.
Here's how grexBot is taking shape.
Workbench photographLatest / September 20, 2026
On the workbench
The real grexBot, mid-build: a lit-up face, exposed wiring, and a desk full of parts.
Read the latest entry ↗From the notebook
Start with the early designs ↗The story so far, written up from the project notes. Every image says what it is: concept, CAD, or photograph.
08 / Design · September 20, 2026
One frame, several personalities
Rounded, angular, or half undressed: optional panels around the same mechanism.
Read the entry ↗
07 / Design · September 18–20, 2026
A lower base, a separate speaker
A compact stepper-and-belt direction, with the carriage sitting directly on the rotating disk.
Read the entry ↗
06 / Hardware · September 18, 2026
The belt-drive detour
A bearing-supported platform solved one problem. Then the layout got out of hand.
Read the entry ↗05 / Firmware · Voice development · through September 19, 2026
From audio to a saved thought
Local metering, bounded voice notes, wake detection, and teaching the robot not to listen to its own motors.
Read the entry ↗
04 / Firmware · Motion development
Making movement less abrupt
Why changing the timer alone wasn't enough to soften a nod.
Read the entry ↗
03 / Hardware · Carriage revision r2
Two new prints, a better servo mount
Two reprints, not a redesign: a proper clamp, support rails, stronger arms, and room around the tilt horn.
Read the entry ↗
02 / Hardware · Open-frame v1
Opening up the frame
Exposed brackets, a metal pushrod, and a small base. The mechanics become part of the character.
Read the entry ↗
01 / Design · Early explorations
Finding the shape of grexBot
A screen, a pair of eyes, and several very different ideas about what body they deserved.
Read the entry ↗Keep following the build