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# bar-detection
Runs continuously, once a second. Detects a bar entering the oven on the rising edge of the
entry photocell `Hin` (3) and writes a pulse to `in-detect-oven` (11). Detects a bar leaving
when the reading it calls `THact` crosses above 600 and writes a pulse to `out-detect-oven`
(12). Both outputs are i7state pulse signals, consumed by `bar-tracker`.
**Known mismatch, kept as it runs today:** `signals.yml` maps id 17 to the name `THact`, but
signal 17 is `THprocess`; the real `THact` is 18. The exit trigger therefore fires on
`THprocess`. Correcting it means changing the id to 18 in `signals.yml` and tagging a new
version.
Runs in `docker.izazpi.cloud/aml/aml-python`; the version is in `schedule.yaml`.