Access Card Reader Tech

Other References
Official Maintainer PLACEHOLDER Please provide maintainer(s) name(s)

Used to develop and build swipe card technology.

Contact Infrastructure on Discord for parts and to help with use at HSBNE.

Used in HSBNE interlocks. Door access to Quad, Loos, Eat Street and Wood shop.

Used in HSBNE New Membership printing system Printer: Zebra P330i

Requires skills in soldering, wiring, circuit design and coding.

Reads and buffers the swipe of an access card.

Can be enhanced with an LED and buzzer to improve user feedback. See the RFID_chip download for an assortment of facts, links and data.


Wiring diagrams for Doors and Interlocks are below. See Documents section, below, for full download.

Python code section. See Documents section, below, for full download.

Maintenance Disconnect power to the circuit before performing maintenance, including soldering and installing
Name Value
Supply voltage 5V
Logic Levels TTL
Communications 9600bps, 8N1, RS232 at TTL
Data Packet format See download Assortment of data… below
RFID 125 kHz
Swipe range TBA

Assortment of data and sources to do with the PCB, the data communications, card reading specs and swipe cards

PLACEHOLDER: Document the manufacturer, things like contact person names, emails, phone numbers, product urls etc. Document the reseller we bought from, and any other sources for similar things. Delete this line.



  • Reseller Agencies - TBA
  • E - TBA
  • M 0000 000 000 - TBA

Known Identical Models

  • None - TBA
Date Description Workaround Proposed Remediation
01/01/2020 PLACEHOLDER Describe the problem PLACEHOLDER Describe the workaround currently in place Placeholder Describe a proposed fix or solution
Date Modified By Description Remediation Cost
01/01/2020 PLACEHOLDER NAME PLACEHOLDER Describe what happened PLACEHOLDER Describe how it was fixed or modified PLACEHOLDER document the cost of the change
Image Category Accessory Name & Notes Location Buy from
PLACEHOLDER Image, 100 width PLACEHOLDER Category of accessory PLACEHOLDER Accessory Name
PLACEHOLDER Description and usage notes for accessory
PLACEHOLDER Describe location of accessory PLACEHOLDER Link to where it was bought from
Image Category Accessory Name & Notes Location Buy from
PLACEHOLDER Image, 100 width PLACEHOLDER Category of consumable PLACEHOLDER Consumable Name
PLACEHOLDER Consumable description and usage
PLACEHOLDER Description of where the consumable is stored PLACEHOLDER Link to where it can be bought
Interval Task
PLACEHOLDER Pick one: Daily/Weekly/Monthly/Quarterly/Biannual/Annual PLACEHOLDER Description of maintenance task and any relevant parameters

PLACEHOLDER A RACI is an important documentation process to let people know what ACTIONS can happen, and who needs to be Responsible, Accountable, Consulted and Informed for each ACTION. Delete this line.

Task / Action Executive Cause Leader
Cause Team
Named Maintainer Trainers Cause Membership Implementer
Modification and Repairs - AC C I I I R
Induction changes C RACI RC I I I R

PLACEHOLDER: Risk assessment is important to ensure we are making tools available to members in a responsible fashion. Please make every effort to do a reasonable risk assessment. If there is a safety incident with the tool, please redo a risk assessment and add it to the table.

Ref / ID Pre-Mitigation Mitigations / Warnings / Remedies Post Mitigation
Risk Risk Severity Risk Likelyhood Risk Level Risk Severity Risk Likelyhood Risk Level Acceptable to Proceed
0001 PLACEHOLDER DEATH Intolerable Probable 11 PLACEHOLDER Induction to train users in correct usage Low Improbable 1

PLACEHOLDER: A decision register is for general documentation when some decision is made regarding the tool. To change its location, mode of operation, to buy an accessory, to replace something, to change how it operates etc. Delete this line.

Ref / ID Decision Details Impact Proposed Date Proposed By Status Approved By Date Resulting Actions and Comments
0000 Example decision Provides an example 08/08/20 JH Approved JH 08/08/20 A line was put in the register
  • tools/infrastructure/access_card_reader
  • Last modified: 3 years ago
  • by geoffc