Money Roll Engineering Package

Rev A · 2026-09-13 · Released for review

Turnkey hardware + software

Six modules, 8 executable source files

Everything needed to take Money Roll from prototype UI to a manufacturable, field-serviceable micro-ATM: component selection, mechanical tooling and CadQuery models, carrier-board schematics with a full BOM, the validator daemon and fee ledger, the Stellar settlement worker, and the manuals armored-transit and operations staff will carry.

Fee schedule

$1.00 service · $10.00 card

Validator link

ID-003 @ 9600 8E1, optoisolated

Settlement

Horizon · createAccount / payment · memo hash

Module 01Bill Validation, Transport & NeutralizationCOTS validator selection (Apex 7000 / ID-003), escrow state machine, motorized cassette transport, tamper loop and dye-pack neutralization circuit.01-bill-validation-tamper.md
Module 02Card Dispenser, Personalization & ReaderCRT-591 dispenser integration, chip/NFC personalization bound to the session Stellar address, hybrid reader login flow via PC/SC.02-card-dispenser-reader.md
Module 033D Moulding, Tooling & Parametric EnclosurePC/ABS fascia moulding spec, SPCC steel frame, tooling criteria, and executable CadQuery scripts for the fascia and internal brackets.03-mechanical-enclosure.mdmoney-roll-enclosure-cad.zipfascia.pybrackets.py
Module 04Electrical Schematics & Custom PCBCM4 + STM32 carrier board architecture, power tree, optoisolated ID-003 transceiver, dye-pack arm/fire circuit, USB hub, netlist and BOM.04-electrical-pcb.mdmoney-roll-pcb-MR-RTIO-A.zipbom.csvnetlist.md
Module 05Firmware, Business Logic & Stellar StackValidator UART daemon, fee ledger engine ($1 service / $10 card), and the async Horizon settlement worker with createAccount / payment, memo hashes and retries.05-firmware-stellar.mdmoney-roll-terminal-software.zipvalidator_daemon.pyfee_ledger.pysettle.tspackage.json
Module 06Manuals & Deployment DocumentationAssembly & deployment guide, field service manual (cassette swap, hopper refill, dye safe-arm), and operator configuration manual (OS hardening, network, hot wallet).06-manuals.md