
BREAD Slice
FHafting/BREAD
This project is fully documented in the paper: Shane Oberloier, Nicholas G. Whisman, Finn Hafting, Joshua M. Pearce, Open Source Framework for a Broadly Expandable and Reconfigurable Data Acquisition and Automation…

This project is fully documented in the paper: Shane Oberloier, Nicholas G. Whisman, Finn Hafting, Joshua M. Pearce, Open Source Framework for a Broadly Expandable and Reconfigurable Data Acquisition and Automation Device (BREAD), ''HardwareX'', 2023, e00467, https://doi.org/10.1016/j.ohx.2023.e00467.
BREAD Slice is an open-source printed circuit board by FHafting, from the FHafting/BREAD repository on GitHub. It is a 2-layer board of 70 × 100 mm with 46 parts on 45 nets, routed with 307 tracks and 22 vias.
It is built around the LMD18200T and WS2812B-5050RGB. Its parts include 18 connectors, 12 capacitors, 3 ICs, 2 resistors and 2 switches. It belongs with the AVR (ATmega, ATtiny) boards of this library.
This project is fully documented in the paper: Shane Oberloier, Nicholas G. Whisman, Finn Hafting, Joshua M. Pearce, Open Source Framework for a Broadly Expandable and Reconfigurable Data Acquisition and Automation Device (BREAD), ''HardwareX'', 2023, e00467, https://doi.org/10.1016/j.ohx.2023.e00467.
All case designs can be found on Onshape: https://cad.onshape.com/documents/f4c13a5c0b1f8d88ed1f5752/w/29d0c0346ddaeb06e16ff42f/e/1077373224ada363d171e3fe?renderMode=0&uiState=65d3aad45b82c32cb51ae4c9
| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | Term_PressFit_Phoenix_Contact | SparkFun-Connector:Term_PressFit_3.5mm_H_PC | J2, J3, J4, J5, J7, J8, J9 |
| 6 | 10 nF | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C6, C8, C9, C10, C11, C12 |
| 6 | Term_PressFit_Phoenix_Contact | SparkFun-Connector:Term_PressFit_5mm_H_PC | J10, J11, J13, J15, J16, J17 |
| 4 | MountingHole | MountingHole:MountingHole_5mm | H1, H2, H3, H4 |
| 3 | 22uF | Capacitor_SMD:C_1206_3216Metric | C1, C5, C7 |
| 2 | 10uF_t | Capacitor_SMD:C_1206_3216Metric | C2, C3 |
| 2 | 4.42 k | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1, R2 |
| 2 | LMD18200 | Package_TO_SOT_THT:TO-220-11_P3.4x5.08mm_StaggerOdd_Lead4.85mm_Vertical | U1, U3 |
| 2 | SW_SPDT | SparkFun-Switch:L102011MS02Q | SW1, SW2 |
| 2 | Term_PressFit_Phoenix_Contact | SparkFun-Connector:Term_PressFit_5mm_H_ENDCAP_PC | J12, J14 |
| 1 | 100nF | Capacitor_SMD:C_1206_3216Metric | C4 |
| 1 | 4.7uH | Inductor_SMD:L_1210_3225Metric | L1 |
| 1 | AP63205WU-7 | Package_TO_SOT_SMD:TSOT-23-6 | U2 |
| 1 | Arduino_Nano_v3.x | Module:Arduino_Nano | A1 |
| 1 | Conn_01x10_Female | Connector_PinSocket_2.54mm:PinSocket_1x10_P2.54mm_Horizontal | J1 |
| 1 | Heatsink_Pad | SparkFun-Fuse:Thermal Pad | HS1 |
| 1 | I2C_01x04 | Connector_JST:JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal | J18 |
| 1 | Logo_Open_Hardware_Small | Symbol:OSHW-Symbol_6.7x6mm_SilkScreen | Logo1 |
| 1 | Term_PressFit_Phoenix_Contact | SparkFun-Connector:Term_PressFit_3.5mm_H_ENDCAP_PC | J6 |
| 1 | WS2812B_5050 | SparkFun-LED:WS2812-5050-4PIN | D2 |
It measures 70 × 100 mm and has 2 copper layers, 1.6 mm thick.
46 parts, built around the LMD18200T and WS2812B-5050RGB. 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.
From the FHafting/BREAD repository on GitHub, at the commit this page was made from: the board is [SLC_DCMT] DC Motor Controller/Hardware/BREAD_Slice.kicad_pcb and its schematic [LOAF_ESPTP] ESP32 Thing Plus Controller/Hardware/BREAD_Loaf.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask FHafting before reusing the design.

FHafting/BREAD
This project is fully documented in the paper: Shane Oberloier, Nicholas G. Whisman, Finn Hafting, Joshua M. Pearce, Open Source Framework for a Broadly Expandable and Reconfigurable Data Acquisition and Automation…

FHafting/BREAD
This project is fully documented in the paper: Shane Oberloier, Nicholas G. Whisman, Finn Hafting, Joshua M. Pearce, Open Source Framework for a Broadly Expandable and Reconfigurable Data Acquisition and Automation…

FHafting/BREAD
This project is fully documented in the paper: Shane Oberloier, Nicholas G. Whisman, Finn Hafting, Joshua M. Pearce, Open Source Framework for a Broadly Expandable and Reconfigurable Data Acquisition and Automation…


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