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STD Klok
License: GPL 3.0
Mode: Editors' pick
- 0
Update time：
2020-09-26 16:01:35
Creation time：
2019-01-22 20:46:41
Description
Clock based on a arduino pro mini AtMega328 5V and BKA30D-R5 stepper motor.
Some remarks:
- Pin A6 and A7 are used for bit 3 and 4 of the I2C ID. This should be repaired, sicne A6 and A7 are Analog input pins.
- Pin RAW is connected to 5V circuit. Shoudl have made two nets, RAW and 5V. Especially the Dip Swtich should have been connected to VCC not RAW!!! Not a big deal, as long as the boards are powered with a proper 5V power supply.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | I2C Address | DIP1 | DIP-8-2.54MM | 1 |
| 2 | AH3503 | U4 | AH3503 | 1 |
| 3 | ARDUINO_PRO_MINI | U1 | ARDUINO_PRO_MINI-CHINA | 1 |
| 4 | BKA30D-R5 | 1 | BKA30D-R5_(BK30D-R5) | 1 |
| 5 | 10KΩ | RN1 | SIP-9 | 1 |
| 6 | Position ready | J1,J2 | HEADER_MALE_1X2 | 2 |
| 7 | Master 2 Slave | J3,J4 | HEADER_MALE_1X5 | 2 |
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