3 USB block
(a) - driver & isolation:
Component List:
![Components](/rusefi/rusefi_documentation/media/commit/5e95ff48014dc985fd967b9decd8caeab33e00c9/Hardware/Prometheus/Prometheus_assembly_3a-comp.jpg)
PCB Top Side:
![Placement](/rusefi/rusefi_documentation/media/commit/5e95ff48014dc985fd967b9decd8caeab33e00c9/Hardware/Prometheus/Prometheus_assembly_3a-pcb.jpg)
(b) - minimal circuitry & protection:
Component List:
![Components](/rusefi/rusefi_documentation/media/commit/5e95ff48014dc985fd967b9decd8caeab33e00c9/Hardware/Prometheus/Prometheus_assembly_3b-comp.jpg)
PCB Top Side:
![Placement](/rusefi/rusefi_documentation/media/commit/5e95ff48014dc985fd967b9decd8caeab33e00c9/Hardware/Prometheus/Prometheus_assembly_3b-pcb1.jpg)
PCB Bottom Side:
![Placement Bottom Side](/rusefi/rusefi_documentation/media/commit/5e95ff48014dc985fd967b9decd8caeab33e00c9/Hardware/Prometheus/Prometheus_assembly_3b-pcb2.jpg)
(c) - USB connector:
Component List:
![Components](/rusefi/rusefi_documentation/media/commit/5e95ff48014dc985fd967b9decd8caeab33e00c9/Hardware/Prometheus/Prometheus_assembly_3c-comp.jpg)
PCB Top Side:
![Placement](/rusefi/rusefi_documentation/media/commit/5e95ff48014dc985fd967b9decd8caeab33e00c9/Hardware/Prometheus/Prometheus_assembly_3c-pcb.jpg)
Now check if USB works by connecting to your PC!