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pbrick.info

An archive blog of LEGO programmable-brick lore, covering VLL, RCX firmware, Scout, and Spybotics.

Most useful sections

RCXVLL (p=58) — the rcxvll.nqh library + article "Controlling a MicroScout from an RCX using VLL" → rcxvll.nqh (pbrick). Source download: wp-content/uploads/2013/10/rcxvll.nqh_1.zip.
RCX Firmware (p=74) — firmware versions (firm0309/0328/0332.lgo, Dick Swan's fast0612), upload via NQC → RCX / NQC · BrickCC.
Scout SDK (p=184) — blue Scout programming (ScoutTool/ScoutDOS, LEGO Assembler) over 9-pin serial.
Spybotics (p=127) + FAQs/Extra Missions — Spybotics IR comms, NQC, missions.
Points to upstream protocol authors: elecbrick (Doug Eaton), Barnaby Walter.

The article notes an RCX emits VLL by flashing a 9V light brick on an OUT port.