Act-ir2012ul Driver Jun 2026
: Pulling data from old flow meters or sensors. Vintage Tech : Syncing a beloved 1990s PDA.
The ACT-IR2012UL is not a standard HID (Human Interface Device) like a mouse or keyboard. It is a . Internally, it uses a specific microcontroller (often from vendors like SigmaTel, STMicroelectronics, or a proprietary ACT chip) that requires an intermediate driver to translate USB packets into IrDA-compliant serial frames.
Sometimes, Windows Update can automatically find and install drivers for connected hardware. If you have just plugged in the ACT-IR2012UL, go to and check for updates. Windows may find the appropriate driver and install it automatically.
: Compatible with Win CE 4.2/5.0, Linux, and Mac (though Mac may have IrDA stack issues). Technical Specifications act-ir2012ul driver
However, for new designs, manufacturers have moved to Bluetooth Low Energy (BLE) or WiFi serial bridges. The ACT-IR2012UL driver today is a tool for preservation and maintenance, not for greenfield projects.
Driver availability for the ACT-IR2012UL varies significantly depending on your operating system. Legacy Windows Systems
VFIR (16Mbps), FIR (4Mbps), MIR (1.152Mbps), SIR (9.6Kbps–115.2Kbps) : Pulling data from old flow meters or sensors
This is the most frequent issue on Windows 10 and 11. It typically means the operating system automatically updated the driver to a newer version that does not support older hardware revisions.
Last updated: April 2026. This guide is based on community-contributed archives and reverse-engineered installation experiences. ACTiSYS no longer provides direct support for consumer installations.
Follow these steps to successfully install the ACT-IR2012UL adapter on your computer. Step 1: Download the Correct Driver It is a
The driver ecosystem for IrDA devices changed significantly when Microsoft altered its native infrared support in later operating systems. ACT-IR2012UL - ACTiSYS Corporation
Comprehensive Guide to ACT-IR2012UL Driver Installation & Troubleshooting (2026 Update)
Performance and robustness
The ACT-IR2012UL is designed for longevity and supports a wide range of Windows operating systems. However, the installation method varies depending on your OS version: