Vishnu Ar
Embedded Engineer at Honeywell!
- Role
- Embedded Engr i at Honeywell Technologies
- Location
- Kottayam, IN
- LinkedIn followers
- 500 followers
About Vishnu Ar
I am an Embedded Engineer at Honeywell Building Automation, specializing in firmware…
Experience
Embedded Engr i
Nov 2024 — Present · Madurai, IN
Architect and implement embedded firmware for TemaServer controllers, Voyager controllers, and field I/O modules within Temaline’s access-control ecosystem.Enable peer-to-peer intelligence across distributed controllers to maintain autonomy and high availability at the field level. Integrate secure communications (IP‑Sec, LON, Ethernet) and ensure resilient features like battery backup, tamper detection, and watchdog recovery. Collaborate with cross-continental teams (India & Italy) to align firmware releases, integrate with enterprise backends (e.g, SAP, Oracle), and support access, time & attendance, and intrusion detection modules. Contributing to firmware that supports up to card users across 16 doors and 64 I/Os, with autonomous clocks and 10-day power retention.Enhancing system security by implementing supervised connectivity monitoring, tamper alerting, and redundancy features.Enabling smooth firmware migration and backward compatibility between legacy Wiegand systems and next-gen Temaline modules.
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