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| + | [title] Know your facts |
|---|---|
| + | [* black] I took some measurements so you don't have to. Here are the facts: |
| + | [* black] ***12v rail voltage:*** The 12v regulator will read close to 12v at the input, and close to 10.6v at the output. This is OK for the drive. You will compensate for the slight drop in speed with the trim pot adjustment. |
| + | [* black] ***5v rail Voltage:*** The 5v regulator will read close to 11.2v at the input and 5.0v at the output. This is OK and the heat dissipator will take care of the heat. |
| + | [* black] ***Temperature***: After 20 minutes, the 12v regulator will read 40°C and the 5v regulator will read 47°C. This is all well within operating range. |
| + | [* black] ***Current: ***After switching on, it will read 630mA to feed all the electronics circuits and the chips. When the motor is spinning, the total current goes up to 1170mA. |
| + | [* black] This current reading means that 12v and 2A or 2.5A will be powerful enough of a power supply. If you only have a 1500mA power supply no worries, you should be fine as well, but with 2000mA your drive and your power supply will be all happy and ready for play time. |
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