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P-Star Programmable Controllers
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P-Star 25K50 Micro (top) and P-Star 45K50 Mini SV (bottom). |
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The Pololu P-Star microcontroller boards are a family of general-purpose programmable modules based on the PIC18F25K50 and PIC18F45K50 microcontrollers from Microchip, which have 32 KB of flash program memory, 2 KB of RAM, and built-in full-speed USB functionality. The P-Stars add on-board components and connectors that support the microcontroller and make it easier to use. Each board ships with a USB bootloader that makes it easy to load new programs without using an external programmer.
P-Star comparison table
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| P-Star 25K50 Micro | P-Star 45K50 Mini SV | |
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| Microcontroller: | PIC18F25K50 | PIC18F45K50 |
| User I/O lines: | 19 | 30 |
| Analog inputs: | 14 | 25 |
| Reset button: |  |
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| Operating voltage: | 5.5 V to 15 V | 5 V to 36 V |
| Regulator type: | linear | switching step-down |
| Regulated current:(1) | 100 mA | 500 mA |
| Auxiliary 3.3 V regulator: | |
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| Dimensions: | 1″ × 0.6″ | 2.0″ × 0.7″ |
| Weight:(2) | 1.3 g | 3.5 g |
1 These values are rough approximations for comparison purposes. Available current depends on input voltage, current consumed by the board, ambient conditions, and regulator topology.
2 Without included optional headers.
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Products in category “P-Star Programmable Controllers”
| Pololu item #: 3150 | |
| Brand: Pololu | |
| Status: Active and Preferred | |
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The P-Star 25K50 Micro is a tiny programmable module featuring Microchip’s PIC18F25K50 microcontroller. It packs a Micro-USB interface and 19 digital input/output pins onto a board measuring only 1″ × 0.6″ and ships preloaded with a USB bootloader, so no external programmer is required.
| Pololu item #: 3156 | |
| Brand: Pololu | |
| Status: Active and Preferred | |
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The P-Star 45K50 Mini SV is a small programmable module featuring Microchip’s PIC18F45K50 microcontroller. It packs a Micro-USB interface and 30 digital input/output pins onto a board measuring 2″ × 0.7″ and ships preloaded with a USB bootloader, so no external programmer is required.
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