2 layers99.7 × 74.8 mm
2 layers37.2 × 27.3 mm
Xmegatest
albert-spruyt/HorrorScope28Source code for the HorrorScope and material for the ScaCheapier workshop
- Size
- 37.2 × 27.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 28
- Nets
- 46
- Pads
- 123
- Tracks, vias
- 369, 32
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 7 Jan 2019
- Updated
- 24 Dec 2019
Overview
Xmegatest is an open-source printed circuit board by albert-spruyt, from the albert-spruyt/HorrorScope repository on GitHub. It is a 2-layer board of 37.2 × 27.3 mm with 28 parts on 46 nets, routed with 369 tracks and 32 vias.
It is built around the ATXMEGA128A4U-AU and LM1117-3.3. Its parts include 8 capacitors, 4 connectors, 2 resistors, 2 ICs and 2 diodes. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
2
ATXMEGA128A4U-AU
TQFP-44(10x10)-40℃~+85℃ 1.6V~3.6V 128KB 12bit 12bit 2KB 32MHz 34 8/16 Bit 8KB AVR Built-in FLASH TQFP-44(10x10) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
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
README
PCB/README.mdHorrorScope PCB design
These are the kicad source files for our 'horrorscope' PCB. You can find gerbers in the 'horrorscope' directory.
(The 'breakout' directory contains gerbers for the breakout PCB we developed for debugging, which may be interesting too.)
Obviously .. we are not electrical engineers. Or good at PCB design. But it works! :)
Parts
28| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 100nF | Capacitor_SMD:C_0805_2012Metric | C5, C6, C7, C11 |
| 2 | 100uF | Capacitor_SMD:C_0805_2012Metric | C2, C4 |
| 2 | C_Small | Capacitor_SMD:C_0805_2012Metric | C1, C3 |
| 2 | Conn_01x08_Female | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J5, J7 |
| 2 | LED_0603_1608Metric | LED_SMD:LED_0603_1608Metric | LED1, LED2 |
| 2 | R_0805_2012Metric | Resistor_SMD:R_0805_2012Metric | RLED1, RLED2 |
| 1 | 0 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | 0 | Resistor_SMD:R_0805_2012Metric | R2 |
| 1 | 10k | Resistor_SMD:R_0805_2012Metric | R1 |
| 1 | 32.768hz | Crystal:Crystal_SMD_MicroCrystal_CC7V-T1A-2Pin_3.2x1.5mm_HandSoldering | Y1 |
| 1 | ATxmega128A4U-AU | Package_QFP:TQFP-44_10x10mm_P0.8mm | U2 |
| 1 | AVR-PDI-6 | custom:PinHeader_2x03_P2.54mm_Vertical_noline | J1 |
| 1 | Ferrite_Bead_Small | Inductor_SMD:L_0805_2012Metric | L1 |
| 1 | LM1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | SW_Push | Button_Switch_SMD:SW_SPST_FSMSM | SW1 |
| 1 | USB_B_Micro | custom:USB_Micro-B_Amphenol_hax | J2 |
| 1 | fuse | Diode_SMD:D_SOD-123 | F1 |
The 25 most common of 28 parts.
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Questions
How big is the Xmegatest PCB?
It measures 37.2 × 27.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Xmegatest use?
28 parts, built around the ATXMEGA128A4U-AU and LM1117-3.3. 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 Xmegatest KiCad files?
From the albert-spruyt/HorrorScope repository on GitHub, at the commit this page was made from: the board is PCB/xmegatest.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Xmegatest design in my own project?
Its repository states no licence, so its author keeps all rights: ask albert-spruyt before reusing the design.