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CYBRCLK

3 months ago 74
  • Description
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  • BOM
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Description

CYBRCLK Grandfather Clock Project

Raspberry Pi Zero W Hat

 

Function

  • Provide +5V input power for:
    • +3V3 LDO regulator to power the quartz crystal digital clock (divided down via PR1 to ~1.5V) and the electromagetic pendulum driver (tunable via PR2).
    • Raspberry Pi Zero W via +5V power GPIO pins.
    • Adafuit Speaker Bonnet via +5V power GPIO pins.
  • Provide +5V input power and connectivity for a Adafruit 24-Channel 12-bit PWM LED Driver daughter board.
  • Header and measurment circuit for off-board photocell.

Documents

CYBRCLK Schematic

CYBRCLK PCB

BOM

ID Name Designator Footprint Quantity
1 1KΩ PR1,PR2 RES-ADJ_3362P 2
2 LD1117AL U1 TO-220_HORIZONTAL 1
3 PWR J1 H2-2.54 1
4 PWR_CLK J2 H2-2.54 1
5 PWR_PND J3 H2-2.54 1
6 PHOTOCELL J6 H2-2.54 1
7 CLK_HOUR J7 H2-2.54 1
8 1uF C1 CAPACITOR 1UF 1
9 PWR_LED_STRIP J4 H3-2.54 1
10 LED PWM BOARD J5 H6-2.54 1
11 TEST_PAD12X48 TP1,TP2,TP3 SMD_12_48 3
12 RPI_GPIO JP1 HDR-M-2.54_2X20 1

Attachments

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Members

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