silk layer
        by          
                          Yuriy Smetana                      
          4 years 5 months        
              status LED controlled by low-velef on mcu pin
        by          
                          Yuriy Smetana                      
          4 years 5 months        
              alternative DC-DC convertor (MP1584)
        by          
                          Yuriy Smetana                      
          4 years 5 months        
              oprional input power terminal
        by          
                          Yuriy Smetana                      
          4 years 5 months        
              oprional pull-down resistors for GPIO 4-5
        by          
                          Yuriy Smetana                      
          4 years 5 months        
              v 0.4, pull-up option for GPIO 12-14
        by          
                          Yuriy Smetana                      
          4 years 5 months        
              GPIO15 as Red ch. output instead of TX
        by          
                          Yuriy Smetana                      
          4 years 5 months        
              v 0.2
        by          
                          Yuriy Smetana                      
          4 years 5 months        
              v 0.1
        by          
                          Yuriy Smetana                      
          4 years 5 months