This repository contains the public available design files for the PSD sun sensor designed for the Foresail-1 Cubesat.
The general characteristics of sensor design are:
- Dimensions: 24 mm × 16 mm × 6 mm
- Mass: 4 grams
- Panel mountedable into 14x14 mm hole with two M2 screws.
- Electrical connection by soldering on the panel PCB or by harness.
- FOV: ~100 degrees, resolution: 0.13°, accuracy: ±1° (discussed in the desgin document)
- Refresh rate up to 100 Hz. (Sampling time: 4 ms + communication overhead)
- Can provide following data products:
- Raw current measurements
- Point & intensity measurements
- Sun vector & intensity measurements
- Angles & intensity measurements
- I2C digital serial interface (hardware version 3)
- RS-485 digital interface (hardware version 4)
- Low power consumption < 4 mW when active
- Nominal operating voltage: 3.6 - 3.8V: Can be extened easily to 2.0 – 5.5 V.
- FS1 ADCS PSD Sun Sensor Design Document
- Version 3 schematic (I2C variant)
- Version 3 firmware source code
- Version 4 schematic (RS-485 variant)
- Calibration and test tools for PC
- Mechanical design files
The design is licenced under CERN Open Hardware Licence Version 2