Add 4 new projects from organizer + update Task Tracker with projects section

WORK/Projects/Scale Weight Readout.md

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+# Project: Scale Weight Readout
+
+**Created:** 2026-02-24
+**Source:** #work-assistant
+**Status:** Planning Phase
+
+---
+
+## Overview
+Use a Raspberry Pi to connect to a Cardinal scale indicator via serial and read weight data.
+
+## Purpose
+- Read scale weight via serial connection
+- Share weight data through network interface via API
+- Enable remote access to scale readings
+
+## Components
+- Raspberry Pi
+- Cardinal scale indicator
+- Serial connection (RS-232/USB)
+- Network API for data sharing
+
+## Current Status
+📋 **Planning Phase**
+- Project structure being defined
+- Hardware requirements being finalized
+
+## Tasks
+
+- [ ] Finalize hardware requirements
+- [ ] Set up Raspberry Pi
+- [ ] Configure serial connection
+- [ ] Develop API endpoint
+- [ ] Test with scale indicator
+
+## Notes
+
+*(Add serial protocol details, API specs, etc.)*
+
+## Related
+
+- [Scale QR Code Reader](Scale%20QR%20Code%20Reader.md) — companion scale project
+
+---
+
+*Extracted from Projects to be organized*