2 layers87 × 68 mm
Modbus RJ45-Breakout
the78mole/ModBus-RJ45-Breakout-2
The second iteration of the breakout with a Dual-USB-Serial-Converter (FT2232)
145 parts1
4 layers58.4 × 62.2 mm
Daybreak mk3b
reedtaylor/daybreak_mk33A PCB interface between the Decent Espresso DE1 and USB or Adafriuit Feather HUZZAH32 EESP32
- Size
- 58.4 × 62.2 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 63
- Nets
- 80
- Pads
- 221
- Tracks, vias
- 454, 82
- Pours
- 6
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 24 Jan 2020
- Updated
- 24 Jan 2020
Overview
Daybreak mk3b is an open-source printed circuit board by reedtaylor, from the reedtaylor/daybreak_mk3 repository on GitHub. It is a 4-layer board of 58.4 × 62.2 mm with 63 parts on 80 nets, routed with 454 tracks and 82 vias.
It is built around the 93LC46B/P, FT2232D and MBR0520L-TP. Its parts include 18 resistors, 10 capacitors, 10 diodes, 6 connectors and 2 ICs. It belongs with the NXP (LPC, Kinetis, i.MX RT) boards of this library.
Main components
3Parts
63| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 220R | Resistor_SMD:R_0603_1608Metric | R8, R9, R10, R11, R12, R16, R17, R18 |
| 8 | TestPoint | TestPoint:TestPoint_THTPad_D2.0mm_Drill1.0mm | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 |
| 5 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C1, C2, C9, C10, C11 |
| 4 | 10K | Resistor_SMD:R_0603_1608Metric | R5, R13, R14, R15 |
| 3 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3 |
| 2 | 27R | Resistor_SMD:R_0603_1608Metric | R2, R3 |
| 2 | 27pF | Capacitor_SMD:C_0603_1608Metric | C6, C7 |
| 2 | Jumper_3_Bridged12 | Jumper:SolderJumper-3_P1.3mm_Bridged2Bar12_Pad1.0x1.5mm | JP1, JP2 |
| 2 | MBR0520LT | Diode_SMD:D_SOD-123 | D6, D7 |
| 1 | 0R | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | 10nF | Capacitor_SMD:C_0603_1608Metric | C4 |
| 1 | 10uF | Capacitor_SMD:C_0603_1608Metric | C3 |
| 1 | 1K5 | Resistor_SMD:R_0603_1608Metric | R6 |
| 1 | 2K2 | Resistor_SMD:R_0603_1608Metric | R4 |
| 1 | 33nF | Capacitor_SMD:C_0603_1608Metric | C8 |
| 1 | 470R | Resistor_SMD:R_0603_1608Metric | R7 |
| 1 | 6MHz | Crystal:Crystal_SMD_SeikoEpson_MA505-2Pin_12.7x5.1mm | Y1 |
| 1 | 93LC46B | Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm | U2 |
| 1 | BLE_L | Connector_PinSocket_2.54mm:PinSocket_1x08_P2.54mm_Vertical | J2 |
| 1 | BLE_R | Connector_PinSocket_2.54mm:PinSocket_1x08_P2.54mm_Vertical | J3 |
| 1 | Conn_01x12 | Connector_PinSocket_2.54mm:PinSocket_1x12_P2.54mm_Vertical | J5 |
| 1 | Conn_01x16 | Connector_PinSocket_2.54mm:PinSocket_1x16_P2.54mm_Vertical | J6 |
| 1 | DE1_PicoBlade | Connector_Molex:Molex_PicoBlade_53047-0810_1x08_P1.25mm_Vertical | J4 |
| 1 | DE_PWR | LED_SMD:LED_0603_1608Metric | D5 |
| 1 | FEAT_PWR | LED_SMD:LED_0603_1608Metric | D10 |
| 1 | FT2232D | Package_QFP:LQFP-48_7x7mm_P0.5mm | U3 |
| 1 | FTDI_PWR | LED_SMD:LED_0603_1608Metric | D8 |
| 1 | Ferrite_Bead | ferrite:INDC2012X110N | FB1 |
| 1 | Jumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_Pad1.0x1.5mm | JP3 |
| 1 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_Pad | H4 |
| 1 | RXA | LED_SMD:LED_0603_1608Metric | D3 |
| 1 | RXB | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | TXA | LED_SMD:LED_0603_1608Metric | D4 |
| 1 | TXB | LED_SMD:LED_0603_1608Metric | D2 |
| 1 | USB_B_Micro | Connector_USB:USB_Micro-B_Molex-105133-0001 | J1 |
| 1 | USB_PWR | LED_SMD:LED_0603_1608Metric | D9 |
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Questions
How big is the Daybreak mk3b PCB?
It measures 58.4 × 62.2 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Daybreak mk3b use?
63 parts, built around the 93LC46B/P, FT2232D and MBR0520L-TP. 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 Daybreak mk3b KiCad files?
From the reedtaylor/daybreak_mk3 repository on GitHub, at the commit this page was made from: the board is daybreak_mk3b.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Daybreak mk3b design in my own project?
Its repository states no licence, so its author keeps all rights: ask reedtaylor before reusing the design.