Steven Penza — Systems

Practical Photography

LIVE

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

unit mocked hw on-hardware

ORDERS / DAY

CoinDropRF

CHECKING

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

native mock bench

SWIPES / DAY

loopback only

filemgrLEARNING AI

LOOPBACK

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*

unit integration browser mutation

DOCS FILED / DAY

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

Shot VectorsAI

BETA

javascript · python

AI claude

shot math machines drift

SHOTS ANNOTATED

Reach out