

The plus
a quick pcb check
- Size
- 262.2 × 76.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 126
- Nets
- 145
- Pads
- 478
- Tracks, vias
- 690, 40
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 24 Jul 2020
- Updated
- 24 Jul 2020
Overview
The plus is an open-source printed circuit board by Watermelon4man, from the Watermelon4man/Plus-version-3 repository on GitHub. It is a 2-layer board of 262.2 × 76.4 mm with 126 parts on 145 nets, routed with 690 tracks and 40 vias.
It is built around the ATMEGA32U4, USBLC6-2SC6 and 1N4148W. Its parts include 53 switches, 51 diodes, 10 capacitors, 7 resistors and 2 ICs. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
3ATMEGA32U4
UncategorisedUnknown makerUSBLC6-2SC6
SOT-23-60.35pF、0.8pF 100nA 150W@8/20us 15V 2 5V 6A@8/20us 6V ESD SOT-23-6 ESD and Surge Protection (TVS/ESD) ROHSUMWESD And Surge Protection (TVS/ESD)1N4148W
SOD-123150mA 1A 1V@50mA 1uA@75V 400mW 4ns 75V Independent SOD-123 Switching Diodes ROHSSTMicroelectronicsSwitching Diodes
Parts
126| Qty | Value | Footprint | References |
|---|---|---|---|
| 51 | 1N4148W | Diode_SMD:D_SOD-123 | D1, D2, D10, D11, D12, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23, D24 +35 |
| 51 | KEYSW | MX_Only:MXOnly-1U-NoLED | K1, K2, K10, K11, K12, K14, K15, K16, K17, K18, K19, K20, K21, K22, K23, K24 +35 |
| 5 | 100nF | Capacitor_SMD:C_0402_1005Metric | C4, C5, C6, C7, C9 |
| 2 | 10k | Resistor_SMD:R_0402_1005Metric | R6, R7 |
| 2 | 22 | Resistor_SMD:R_0402_1005Metric | R4, R5 |
| 2 | 5.1K | Resistor_SMD:R_0402_1005Metric | R1, R2 |
| 1 | 1M | Resistor_SMD:R_0402_1005Metric | R3 |
| 1 | 1uF | Capacitor_SMD:C_0402_1005Metric | C3 |
| 1 | 22Pf | Capacitor_SMD:C_0402_1005Metric | C1 |
| 1 | 22pF | Capacitor_SMD:C_0402_1005Metric | C2 |
| 1 | 2U | MX_Only:MXOnly-2U-ReversedStabilizers-NoLED | K53 |
| 1 | 4.7nF | Capacitor_SMD:C_0402_1005Metric | C10 |
| 1 | 4.7uF | Capacitor_SMD:C_0402_1005Metric | C8 |
| 1 | 500mA | Fuse:Fuse_0603_1608Metric | F1 |
| 1 | ATMEGA32U4 | ATMEGA32U4-AU:QFP80P1200X1200X120-44N | U2 |
| 1 | Crystal_GND24 | Crystal:Crystal_SMD_SeikoEpson_FA238-4Pin_3.2x2.5mm | Y1 |
| 1 | HRO-TYPE-C-31-M-12 | Type-C:HRO-TYPE-C-31-M-12-Assembly | USB1 |
| 1 | SW_PUSH | Button_Switch_SMD:SW_SPST_SKQG_WithoutStem | SW1 |
| 1 | USBLC6-2SC6 | Package_TO_SOT_SMD:SOT-23-6 | U1 |
Questions
How big is the The plus PCB?
It measures 262.2 × 76.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the The plus use?
126 parts, built around the ATMEGA32U4, USBLC6-2SC6 and 1N4148W. 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 The plus KiCad files?
From the Watermelon4man/Plus-version-3 repository on GitHub, at the commit this page was made from: the board is Ortho Pcb/the plus.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the The plus design in my own project?
Its repository states no licence, so its author keeps all rights: ask Watermelon4man before reusing the design.
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