2 layers275 × 103 mm
2 layers45.7 × 58.4 mm
Blake's embedded projects
- Size
- 45.7 × 58.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 26
- Nets
- 77
- Pads
- 156
- Tracks, vias
- 318, 36
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 16 Feb 2019
- Updated
- 13 Jun 2023
Overview
Clock is an open-source printed circuit board by blakesmith, from the blakesmith/embedded repository on GitHub. It is a 2-layer board of 45.7 × 58.4 mm with 26 parts on 77 nets, routed with 318 tracks and 36 vias.
It is built around the LM1117-3.3 and LTC-4727JS. Its parts include 7 capacitors, 7 resistors, 4 ICs, 3 diodes and 2 connectors. It belongs with the lEDs and displays boards and the STM32 boards of this library.
Main components
2
LM1117-3.3
SOT-2231 1.3V@(1000mA) 15V 1A 2mA 3.3V Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHShongjiachengUncategorised
LTC-4727JS
DIP-140.39 12.8mmx40.18mmx7mm 4 40mW 7 Segment Common Cathode Yellow DIP-14 LED Segment Displays ROHSLite-OnLED Segment Displays
Parts
26| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 0.1uf | Capacitors_SMD:C_0805_HandSoldering | C1, C2, C3, C4 |
| 3 | 300 | Resistors_SMD:R_0805_HandSoldering | R5, R6, R7 |
| 2 | 10K | Resistors_SMD:R_0805_HandSoldering | R1, R2 |
| 2 | 10k | Resistors_SMD:R_0805_HandSoldering | R3, R4 |
| 2 | 10pf | Capacitors_SMD:C_0805_HandSoldering | C6, C7 |
| 1 | 0.1uF | Capacitors_SMD:C_0805_HandSoldering | C5 |
| 1 | 32.768kHz | crystal:ECS-31B_xtal | Y1 |
| 1 | AS1115 | Housings_SSOP:QSOP-24_3.9x8.7mm_Pitch0.635mm | U2 |
| 1 | Conn_ARM_JTAG_SWD_10 | Pin_Headers:Pin_Header_Straight_2x05_Pitch1.27mm_SMD | J3 |
| 1 | LED Blue | LEDs:LED_0805_HandSoldering | D1 |
| 1 | LED Green | LEDs:LED_0805_HandSoldering | D2 |
| 1 | LED Red | LEDs:LED_0805_HandSoldering | D3 |
| 1 | LM1117-3.3 | TO_SOT_Packages_SMD:SOT-223 | U1 |
| 1 | LOGO | LOGO | G*** |
| 1 | LTC-4727JS | custom_display:LTC-4727 | U3 |
| 1 | PEC11R | nome:PEC11 | S1 |
| 1 | STM32L151C8TxA | Housings_QFP:LQFP-48_7x7mm_Pitch0.5mm | U4 |
| 1 | USB_B_Micro | custom_connectors:10118192-0001LF | J1 |
Questions
How big is the Clock PCB?
It measures 45.7 × 58.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Clock use?
26 parts, built around the LM1117-3.3 and LTC-4727JS. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Clock KiCad files?
From the blakesmith/embedded repository on GitHub, at the commit this page was made from: the board is clock/hardware/clock/clock.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Clock design in my own project?
Its repository states no licence, so its author keeps all rights: ask blakesmith before reusing the design.
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