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+## Guide and electronics
+
+**The electronics and operation of the PBPS units are currently being updated. Further info to follow**
+
+## Drawings
+- [Overview](http://planarchiv.psi.ch/plandb_pub/p_plandb_cus_pub_sucw.viewItem?pId=251739&pPosInQueryList=1&pCount=1&pIndexInQueryList=1&pKrz=&pHg=50024&pUg=24&pLnr=795&pAnlage=&pBaugruppe=&pBenennung=&pFremdNr=&pGueltig=GUL)
+- [Diode arm](http://planarchiv.psi.ch/plandb_pub/p_plandb_cus_pub_sucw.viewItem?pId=200637&pPosInQueryList=1&pCount=1&pIndexInQueryList=1&pKrz=&pHg=50024&pUg=24&pLnr=176&pAnlage=&pBaugruppe=&pBenennung=&pFremdNr=&pGueltig=GUL)
+- [Diode holder](http://planarchiv.psi.ch/plandb_pub/p_plandb_cus_pub_sucw.viewItem?pId=200639&pPosInQueryList=1&pCount=1&pIndexInQueryList=1&pKrz=&pHg=50024&pUg=24&pLnr=178&pAnlage=&pBaugruppe=&pBenennung=&pFremdNr=&pGueltig=GUL)  
+
+## Diode
+
+10 mm  x 10 mm, Si PIN photodiode S3590-09, [specs](https://www.hamamatsu.com/eu/en/product/type/S3590-09/index.html)
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