klaute 48f034f0a4 'README.me' ändern ago%!(EXTRA string=10 months %!s(MISSING))
Si5351Arduino Si5351 arduino library added. ago%!(EXTRA string=1 year %s)
doc Schmatics of the si5351 breakout board added. ago%!(EXTRA string=1 year %s)
firmware Update 'firmware/firmware.ino' ago%!(EXTRA string=11 months %!s(MISSING))
pcb Some improvements done in the schematics. ago%!(EXTRA string=11 months %!s(MISSING))
tools Two new functions added to set and get the clock correction factor to the si5351 chip. Also replaced the a0 a1 labels with fwd and ref text. ago%!(EXTRA string=11 months %!s(MISSING))
README.me 'README.me' ändern ago%!(EXTRA string=10 months %!s(MISSING))

README.me


This project is reengineered out of the TenaTester build by ZL1CVD.
The firmware is completely written by myself, the wheatstone bridge was mostly drawn as seen in the TenaTesta demo videos by ZL1CVD on youtube. The electrical component values were modified by myself to fit my personal requirements. The si5351 prt in the schematics was replaced by an adafruit breakout board.

Ressources:
* https://learn.adafruit.com/adafruit-si5351-clock-generator-breakout/wiring-and-test
* http://community.silabs.com/t5/Timing-Knowledge-Base/Modifying-Output-Driver-Strength-of-the-Si5351/ta-p/112253
* https://github.com/etherkit/Si5351Arduino
* http://images.google.de/imgres?imgurl=http://www.kh-gps.de/si5351_4.jpg&imgrefurl=http://www.kh-gps.de/si5351.htm&h=483&w=1115&tbnid=p6ACt2AabOao6M:&tbnh=90&tbnw=208&docid=YzcwWac64G4VOM&usg=__tpZeibmT-PYky-rOAt6f3X7w_7s=&sa=X&ved=0ahUKEwjggd_4tI_PAhUEnRQKHQHdAVUQ9QEIJzAC
* https://github.com/gmtii/ili9341-arduino