# Prometheus Assembly

This is a recommended order of assembly:

1. [Power supply block](Prometheus-Assembly-Power-Supply)
![Prometheus Power Supply](Hardware/Prometheus/Prometheus_assembly_1-all.jpg)
2. [MCU block](Prometheus-Assembly-MCU)
![Prometheus MCU](Hardware/Prometheus/Prometheus_assembly_2-all.jpg)
3. [USB block](Prometheus-Assembly-USB)
![Prometheus USB](Hardware/Prometheus/Prometheus_assembly_3-all.jpg)
4. Power output block (bottom side of the pcb)
5. Crank/Cam Sensors block
6. Analog sensors block
7. Digital Inputs block
8. Stepper IAC block
9. SPI (optional, needed for knock & wide-band)
10. Knock controller (optional)
11. Wideband oxygen sensor controller (optional)
12. CAN-bus controller (optional)
13. SD-card connector (optional)
14. Bluetooth-module (optional)
15. Ignition coils block