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@@ -1,11 +1,14 @@ -# kaxxxxp-viewer - Data Logger and Viewer for KAxxxxP power supplies +# korad-logger - Data Logger and Controller for KAxxxxP power supplies -**kaxxxxp-viewer** acquires and visualizes voltage and current data from +**korad-logger** acquires and visualizes voltage and current data from KAxxxxP power supplies. These are sold under brand names such as Korad or RND Lab and equipped with a USB serial port, allowing them to be used as simple, low-resolution measurement devices. See the [sigrok wiki](https://sigrok.org/wiki/Korad_KAxxxxP_series) for details. +korad-logger is capable of performing simple control tasks, such as stepping +through voltage/current slopes for automated I-V curve measurements. + It has been successfully used with "RND 320-KA3005P" (single-channel) and "RND 320-KA3305P" (dual-channel) supplies. Observed attributes: @@ -18,16 +21,26 @@ It has been successfully used with "RND 320-KA3005P" (single-channel) and "RND Voltage and current range depend on the device, the resolutions are probably identical. -**Warning:** In addition to reading voltage and current values, the serial -interface also supports *setting* them. This is not supported by -kaxxxxp-viewer. However, be warned that communication errors or bugs may cause -the power supply to receive a write command with an arbitrary voltage or -current value, which may result in damaged equipment, fire, or other harm. By -using this software, you acknowledge that you are aware of these risks. +**Warning:** The KAxxxxP serial interface supports both reading current/voltage +data and writing current/voltage limits. korad-logger uses these to change +PSU attributes at runtime, if requested. The serial protocol does not use +checksums or similar mechanisms, so communication errors or bugs may cause the +power supply to receive a write command with an arbitrary voltage or current +value. This may result in damaged equipment, fire, or other harm. By using +this software, you acknowledge that you are aware of these risks. -See `bin/kaxxxxp-viewer --help` for usage details. +See `bin/korad-logger --help` for usage details. ## Dependencies * Python 3 with the following modules: numpy, serial * Data Visualization (--plot): python3-matplotlib + +## Related work + +This is by far not the first project for korad PSU logging and control. See also: + +* [libsigrok](https://sigrok.org/wiki/Korad_KAxxxxP_series) +* [koradctl](https://github.com/attie/koradctl) +* [KoradControl](https://github.com/maximaximal/KoradControl) +* [Korad-KA6003P-Software](https://github.com/Tamagotono/Korad-KA6003P-Software) |