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STD OnStep STM32 Blue Pill copy
License: GPL 3.0
Mode: Editors' pick
Cloned from OnStep STM32 Blue Pill
- 4
Update time：
2021-08-23 13:29:59
Creation time：
2018-11-12 20:04:35
Description
OnStep Telescope Controller based on the STM32 ARM Cortex M3 microcontroller 'Blue Pill' board.
Designed by Dave Schwartz and Khalid Baheyeldin.
More info on OnStep here:
https://groups.io/g/onstep/wiki/Home
Before ordering this PCB, or using the schematic, you must read this page carefully, and in its entirity.
STM32 OnStep here:
https://groups.io/g/onstep/wiki/STM32F103-Blue-Pill
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity | Mounted | |
|---|---|---|---|---|---|---|
| 1 | DS3231 RTC EEPROM | RTC | DS3231 | 1 | Yes | |
| 2 | CP2102 microUSB | USB | USB_UART_CP2102 | 1 | Yes | |
| 3 | 470 Ohm | R1,R2 | R805 | 2 | Yes | |
| 4 | 2A5G3HD01 | TRK-LED | LED-2*5*7 | 1 | Yes | C50000 |
| 5 | LM2596S_MODULE | PWR | LM2596S_MODULE_SMD | 1 | Yes | |
| 6 | Speaker | BUZZER | BUZZER-CMT1102 | 1 | Yes | |
| 7 | Stepper Driver | AX4DRV,AX2DRV,AX1DRV | DRV8825 STEPPER MOTOR DRIVER CARRIER | 3 | Yes | |
| 8 | M04 | AX1HDR,AX2HDR,AX4HDR | MOLEX-1X4 | 3 | Yes | |
| 9 | Molex 1x6 | ST4PRT | MOLEX-1X6 | 1 | Yes | |
| 10 | WEMOS | WIFI | WEMOS MINI D1 1MM HOLES | 1 | Yes | |
| 11 | Bused Resistor | ST4PULLUP | RESSIP-5 | 1 | Yes | |
| 12 | STM32F103C8T6 Blue Pill | STM32 | STM32F103C8T6-BLUEPILL | 1 | Yes | |
| 13 | JUMPER2 | J4A,J4B,J4C,J4D,J3,J4 | JUMPER2 | 6 | Yes | |
| 14 | Molex 1X5 | MULTI | MOLEX 1X5 PACKAGE | 1 | Yes | |
| 15 | 100UF/50V | C1,C2,C3 | CAP 8MM | 3 | Yes | |
| 16 | JUMPER3 | J2,J1 | JUMPER3 | 2 | Yes | |
| 17 | 5x20 BLX-Atype Fuse holder XC-7 | F1 | 5X20-BLX-A | 1 | Yes | C3131 |
| 18 | 2N3904 | Q3 | TO-92(TO-92-3) | 1 | Yes | C118538 |
| 19 | 1k | R5,R6 | AXIAL-0.3 | 2 | Yes |
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