| Name | Modified | Size | Downloads / Week |
|---|---|---|---|
| Parent folder | |||
| gpp_mod_1v04.1.zip | 2026-07-14 | 85.9 MB | |
| gpp_mod_1v03.zip | 2023-12-30 | 67.7 MB | |
| gpp_mod_1v02.zip | 2023-10-28 | 67.7 MB | |
| gpp_mod_1v01.zip | 2023-10-16 | 67.7 MB | |
| Totals: 4 Items | 289.0 MB | 17 | |
GPP-x32x Firmware Mod
Mod version 1.04
New features
- Modifies original GWInstek firmware V1.26.
Mod version 1.03
New features
- None Bug fixes
- Fixed measurement readout interference from web server (applicable for units with LAN option). Special thanks go to member Cavhat on EEVblog for reporting this issue.
Mod version 1.02
New features
- Configurable window size of first stage measurement filter (moving average filter)
- Added second stage measurement filter with configurable window size and reset threshold
- Configurable display update interval
- Added gpp_mod.cmd batch script for starting gpp_mod directly from Windows Explorer
Mod version 1.01
New features
- Configurable beeper volume
Mod version 1.00
Features
- Voltage and current measurement averaging
- Voltage calibration correction
- Current calibration correction with output voltage dependent leakage current compensation
- Separate current/voltage calibration correction for power versus load mode
- Fast OCP/OVP response (10x faster than original firmware)
- Configurable OCP/OVP arming delay during channel switch on
- Configurable OCP/OVP trigger delay
- Channel on/off button also selects channel for data input
- All of the above features are configurable by generating the modified firmware via a Python script
- For those not wanting to deal with installation of Python and required packages, an executable Windows command-line application is available (created with pyinstaller)