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vfd_driver [2016/02/02 14:15]
kingkevin [pinout] correct AUX pin
vfd_driver [2016/03/31 19:56]
kingkevin update git link
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 The hardware used to control this VFD is a [[stm32f1xx#system_board|STM32F1 development board]], based on a [[http://www.st.com/web/catalog/mmc/FM141/SC1169/SS1031/LN1565/PF164476|STM32F103C8T6]] micro-controller (32-bit ARM Cortex M3, 72MHz). The hardware used to control this VFD is a [[stm32f1xx#system_board|STM32F1 development board]], based on a [[http://www.st.com/web/catalog/mmc/FM141/SC1169/SS1031/LN1565/PF164476|STM32F103C8T6]] micro-controller (32-bit ARM Cortex M3, 72MHz).
  
-The firmware is available [[https://git.cuvoodoo.info/kingkevin/firefly_condcutor|here]].+The firmware is available [[https://git.cuvoodoo.info/firefly_condcutor|here]].
 It : It :
   * starts by testing all segments of the VFD   * starts by testing all segments of the VFD
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 | GPIO | PA4 | 6 | NLE | | GPIO | PA4 | 6 | NLE |
 | GPIO | PA6 | 7 | STR | | GPIO | PA6 | 7 | STR |
-| | | 8 | NC |+| | | 8 | AUX |
  
 The VPP and GND pins to drive the VFD segments are provided using an external power supply. The VPP and GND pins to drive the VFD segments are provided using an external power supply.
 I use a [[http://www.aliexpress.com/item/120W-DC-DC-Boost-Converter-10-32V-to-36-60V-48V-54V-4A-Step-Up-Adjustable/1414029224.html|boost converter]] and set it to 50V. I use a [[http://www.aliexpress.com/item/120W-DC-DC-Boost-Converter-10-32V-to-36-60V-48V-54V-4A-Step-Up-Adjustable/1414029224.html|boost converter]] and set it to 50V.
vfd_driver.txt ยท Last modified: 2016/03/31 19:56 by kingkevin