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# Prometheus Assembly - Power supply block
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## (a) - regulator circuits
### Component List
![Components](Hardware/Prometheus/Prometheus_assembly_1a-comp.jpg)
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### PCB Top Side
![Placement](Hardware/Prometheus/Prometheus_assembly_1a-pcb.jpg)
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## (b) - minimal circuitry
### Component List
![Components](Hardware/Prometheus/Prometheus_assembly_1b-comp.jpg)
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### PCB Top Side
![Placement](Hardware/Prometheus/Prometheus_assembly_1b-pcb1.jpg)
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## (c) - feedback
### Component List
![Components](Hardware/Prometheus/Prometheus_assembly_1c-comp.jpg)
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### PCB Top Side
![Placement](Hardware/Prometheus/Prometheus_assembly_1c-pcb.jpg)
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## (d) - electrolytic capacitors & protection (observe the polarity!)
### Component List
![Components](Hardware/Prometheus/Prometheus_assembly_1d-comp.jpg)
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### PCB Top Side
![Placement](Hardware/Prometheus/Prometheus_assembly_1d-pcb1.jpg)
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### PCB Bottom Side
![Placement Bottom Side](Hardware/Prometheus/Prometheus_assembly_1d-pcb2.jpg)
**Now check voltages: +5В, +3.3В!**