SB

Second Bell

Demo Workspace

After-school forecast-
-
Items recovered-
-
Kg diverted-
food waste avoided
CO2e avoided-
kg CO2e
Value protected-
estimated dollars

Return Trend

18 days
unopened returns rescued items

Component Mix

bar chart

Lunch Forecast Range

Q10 / Q50 / Q90

Ghost Component Forecast

Q10 / Q50 / Q90

Recommended Action Plan

human approval
Advanced layers-
decision stack depth
Optimizer recovery-
-
Counterfactual lift-
best policy vs no action
Fusion mode-
Bayesian sensor update

Calibrated Temporal Forecasts

rolling features

Counterfactual Uplift Policy

causal estimate

Constrained Action Optimizer

portfolio

Bayesian Sensor Fusion

digital twin

Full Architecture Stack

multilayer AI

Local Scale Bridge

trackpad/load cell

Live CV Line Monitor

taken items
COCO-SSD model not loaded.

Dynamic Scale Demo

Live weight 0g 0 items
Start record uses only fresh live sensor readings. Use USB HID, serial, or run the calibrated local bridge command below.
Live scale setup
The Vercel page can read local hardware only after browser or macOS permission is allowed.
required
  1. Chrome or Edge: click Connect USB scale or Connect serial scale, then allow the browser device prompt.
  2. Mac Force Touch: run this local bridge, tare it, calibrate it with a known weight, keep the bridge window open, then click Start record.
  3. If macOS asks, allow Terminal in Privacy & Security for Accessibility and Input Monitoring, then rerun the command.
mkdir -p ~/second-bell-bridge cd ~/second-bell-bridge curl -L -o local_trackpad_bridge.py https://raw.githubusercontent.com/g4nesh/second-bell-demo/main/scripts/local_trackpad_bridge.py python3 local_trackpad_bridge.py --stdin curl -X POST "http://127.0.0.1:8766/tare?seconds=1.5" curl -X POST "http://127.0.0.1:8766/calibrate?grams=YOUR_KNOWN_WEIGHT_G&seconds=2" curl http://127.0.0.1:8766/health curl http://127.0.0.1:8766/reading
Replace YOUR_KNOWN_WEIGHT_G with the actual gram weight you used. If /health returns ok: true and /reading updates with calibrated grams, this site will read the live scale value.