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P-Star 25K50 Micro
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.
| Description | Specs (13) | Pictures (10) | Resources (20) | FAQs (0) | On the blog (4) |
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Dimensions
| Size: | 0.6″ × 1.05″ × 0.18″1 |
|---|---|
| Weight: | 1.3 g2 |
General specifications
| Processor: | PIC18F25K50 |
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| RAM size: | 2 Kbytes |
| Program memory size: | 32 Kbytes3 |
| Motor channels: | 0 |
| User I/O lines: | 194 |
| Minimum operating voltage: | 5.5 V |
| Maximum operating voltage: | 15 V |
| Logic voltage: | 5 V |
| Reverse voltage protection?: | Y5 |
| External programmer required?: | N |
Identifying markings
| PCB dev codes: | pc01a |
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Notes:
- 1
- Without included optional headers. This measurement includes the USB Micro-B connector, which extends 0.05″ past the edge of the PCB.
- 2
- Without included optional headers.
- 3
- 8 KB of the MCU's 32 KB of flash memory is used by the pre-installed USB bootloader. All 32 KB is available if you use an external programmer and erase the bootloader.
- 4
- All 19 can be used as digital I/O, 14 can be used as analog inputs, and one can be an analog output. 16 of the 19 are available along the sides for use in a breadboard.
- 5
- On VIN.
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