Actually the the architecture of the PIC and the 8051 were devoloped about the same time, early 1980's. The 8051 by Intel and the PIC by General Instrument. I have worked quite a bit with 8051's and with PIC's over the years. The first time I saw the instruction set of the 18f series of PIC's my thought was that Microchip copied the instruction set of the 8051.The 8051 is an older architecture, it's still commonly used because it's very standardized
I was speaking of the 18F series which the original poster mentioned, which is far different from an 8051. PIC has evolved. The 8051 is a stock standard, subject to variants and spec upgrades, but 8051 compliant means something.Brevor said:Actually the the architecture of the PIC and the 8051 were devoloped about the same time, early 1980's. The 8051 by Intel and the PIC by General Instrument.
Thanks for your reply Robin2,
I will not use a battery to operate the motor. If i used a DC motor i have to build a power supply for it.
will a stepper motor shaft be stiff when there is no supply? (like a servo)... because if not, the wind that hits the shutter/cover can cause the motor to rotate (which i don't want)
And is a stepper motor ideal for this type of application?
thanks
Why a Keypad for temperature input?
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