PE4302 Attenuator

Simple attenuator built with PE4302 and Arduino "pro micro".

Thanks to following libraries

As always someone else has built something great and we can use it for our own projects. Thanks to the following libraries this project was much easier to write:

• ArduinoPE4302
  • https://github.com/tswfi/PE43xx
• U8g2
  • https://platformio.org/lib/show/942/U8g2/examples
• ClickEncoder
  • https://github.com/soligen2010/encoder
• TimerOne
  • https://github.com/PaulStoffregen/TimerOne

Parts used

• PE4302 module from china (black with dip switches), others should work fine also
  • https://www.aliexpress.com/wholesale?catId=0&initiative_id=SB_20190406032320&SearchText=PE4302+module
• Arduino "pro micro" clone atmega32u4
  • https://www.aliexpress.com/wholesale?catId=0&initiative_id=SB_20190406032418&SearchText=atmega32u4
  • pinout: http://kookye.com/wp-content/uploads/2016/02/Pinout-ProMicro.jpg
• SSD1306 128X64 oled display 0.96"
  • https://www.aliexpress.com/wholesale?catId=0&initiative_id=SB_20190406032545&SearchText=oled+i2c+128x64+SSD1306

Case

You can find a svg plan for laser cut plywood case in the "case" folder.