Steven Penza — Systems

Ask & AnswerAI

BETA

One model call per document, so every answer carries the page and line it came from — and the questions it cannot answer become the documentation backlog.

aws cdk/cloudformation/dynamodb/lambda/s3 · node · rest api AI aws bedrock · claude

A support ticket deflection tool using an AI model to link to a specific set of documentation with structural citations.

DOCS INDEXED
CORPUS TOKENS: h since the last
GAPS OPEN
RETRIES RECOVERED

answered gap failed

GAPS / DAY

coindroprf.com

CoinDropRF

CHECKING

Takes payment at the machine when the network is down, then reconciles when it comes back — ESP32 firmware, RFID, and a backend that expects to be offline.

FIRMWARE ESP32: esp-now · c++ RF ISO 14443 (13.56 MHz) · MIFARE/DESFire/NTAG · uFR Nano CLOUD aws ecs/cdk · python · docker · mysql API rest · websocket · telnet ENCRYPTION HMAC-SHA256 AI claude

RFID credit controller for pinball machines — ESP32 + uFR Nano reader, offline store-and-forward logging, backend sync and admin site.

SWIPES TODAY: /14
CABINETS UP
SYNC BACKLOG: %
UNKNOWN CARD

native mock bench

SWIPES / DAY

loopback only

filemgrAI TUNING

LOOPBACK

A local model fine-tuned on every filing decision I have ever made, so it names and files documents the way I would, and learns the day I disagree.

python · flask · sqlite · torch/lora · playwright · vision ocr API rest · google ENCRYPTION AES-256-GCM · Argon2id · HKDF-SHA256 · Ed25519/RSA AI claude · gemini · openai · groq · mistral · deepseek · xai · together · openrouter · ollama*

Personal document archive. Scrapes Amazon/eBay invoices, names and files them with a local LLM, tracks receipts, expenses, and mileage in SQLite.

DOCS FILED
AWAITING YOU: /3
BACKUPS OK
IN QUEUE

unit integration browser mutation

DOCS FILED / DAY

* Build a local model that works like you do. Your folders, your naming conventions.

photo.stevenpenza.com

Practical Photography

LIVE

A photography business as software: booking, on-site printing, delivery and payment, running unattended on a Pi in a haunted house.

FIRMWARE Pi5: gphoto2 · python · Wiegand RF UHF EPC Gen2 (902–928 MHz) CLOUD aws lambda/s3/cloudfront/cognito · javascript API rest · stripe · shippo ENCRYPTION HMAC-SHA256 AI claude

Practical Photography — candid + long-exposure ghost photography for haunted attractions, with on-site printing and booking.

ORDERS 30D
LABELS BOUGHT: ms
P95 CHECKOUT: m
LAST ORDER

unit mocked hw on-hardware

ORDERS / DAY

shotvectors.stevenpenza.com

Shot VectorsAI

BETA

Pinball shot difficulty expressed as geometry — a flip window in milliseconds, derived from the table's own file rather than from opinion.

javascript · python CLOUD aws cdk/cloudformation/dynamodb/s3 AI claude

Geometric modeling of pinball shot difficulty expressed as a flip window in milliseconds.

ms median
MACHINES MODELED
FLIPPERS: ms median
SHOTS ANNOTATED: ms
TIGHTEST SHOT

shot math machines drift

SHOTS ANNOTATED

Reach out