DFU (Daisy Seed) via WebUSB

Update your Esu’s Trifecta firmware

Use Chrome or Edge on desktop over HTTPS. Put the module in DFU: hold BOOT, press RESET, release RESET, then release BOOT.

Console


        

      


      

        

          
Firmware

          

            
            
            
            
          

          

            Release notes
            
    
          
    
          
    
            
            
          
    
          
    
          
    Manual file
    
          
    Have a .bin? Flash it directly.
    
          
    
            
            
          
    
        
    

        
    
          
    How-To
    
          
      
            
    1. Enter DFU: hold BOOT, tap RESET, release RESET, then BOOT.
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    2. Click Connect Device → select DFU in FS Mode.
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    3. Pick a version → Flash Selected. Keep USB connected.
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    4. When finished, power-cycle the module.
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    Troubleshoot
    
          
      
            
    • Windows: Install WinUSB using Zadig if device doesn’t connect.
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    • Browser: Use Chrome or Edge over HTTPS. Safari/Firefox not supported.
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    • USB: Use a direct port and a data-capable cable.
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    • Stuck in DFU? Power-cycle and retry.
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