ORA Control Board Rev 2.1
About the ORA Control Board Rev 2.1
ORA Control Board Rev 2.1 is an open source AVR/Arduino PCB design by oaklandrobotics, published on GitHub. It is a 2-layer board measuring 100 × 52.5 mm, with 60 components from 33 distinct parts.
Its main chip is the ATmega32U4-A, from the AVR/Arduino family. Other key parts include the MCP25625-x-SS, NCP1117-5.0_SOT223 and IMU_MOUNT. By type, the board carries 19 resistors, 16 capacitors, 9 connectors, 4 ICs, 4 diodes and 3 transistors.
Main components on the ORA Control Board Rev 2.1
ORA Control Board Rev 2.1 bill of materials (BOM)
60 components, 33 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATmega32U4-A | TQFP-44_10x10mm_P0.8mm | U1 |
| 1 | MCP25625-x-SS | SSOP-28_5.3x10.2mm_P0.65mm | U2 |
| 1 | NCP1117-5.0_SOT223 | SOT-223-3_TabPin2 | U5 |
| 1 | IMU_MOUNT | IMU_MOUNT | U6 |
| 3 | BS170 | TO-92_Inline | Q1, Q3, Q5 |
| 1 | 8Mhz | Crystal_HC49-4H_Vertical | Y1 |
| 1 | 16MHz | Crystal_HC49-4H_Vertical | Y2 |
| 2 | SM04B-GHS-TB | CONN_SM04B-GHS-TB_JST | J1, J5 |
| 1 | Conn_01x04_Pin | PinHeader_1x04_P2.54mm_Vertical | J2 |
| 1 | USB_B_Micro | AMPHENOL_10118192-0002LF | J3 |
| 1 | 12V | BarrelJack_Horizontal | J4 |
| 1 | Conn_02x03_Top_Bottom | PinHeader_2x03_P2.54mm_Vertical | J6 |
| 2 | Conn_01x05_Pin | PinHeader_1x05_P2.54mm_Vertical | J7, J8 |
| 1 | Stack Light | TerminalBlock_Phoenix_MKDS-1,5-4_1x04_P5.00mm_Horizontal | J9 |
| 1 | MF-MSMF050-2 | Fuse_1812_4532Metric_Pad1.30x3.40mm_HandSolder | F1 |
| 1 | Reset | SW_SPST_TL3342 | SW1 |
| 1 | 120 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | TR1 |
| 1 | rst | D_SOD-323 | D1 |
| 1 | LED_Small | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D2 |
| 1 | 1N5819 | D_DO-41_SOD81_P10.16mm_Horizontal | D3 |
Show 13 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | PWRIN | D_SOD-323 | D4 |
| 4 | 22pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C9, C10 |
| 8 | 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C5, C6, C8, C12, C14, C16, C17 |
| 2 | 1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4, C15 |
| 1 | 10nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C11 |
| 1 | 22uF | CAP_WCAP-ASLI_05p0X05p5_WRE | C13 |
| 2 | 1M | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R11 |
| 9 | 10k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R3, R4, R14, R15, R18, R19, R21 +1 |
| 2 | 22 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R5, R6 |
| 1 | 2.2k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R8 |
| 1 | 470 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R9 |
| 1 | 1.57k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R10 |
| 3 | 1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R16, R17, R20 |
ORA Control Board Rev 2.1 design files
The KiCad project lives in the oaklandrobotics/electrical_ora24 repository on GitHub; these links point at the commit this page was built from.
ORA Control Board Rev 2.1: common questions
What microcontroller does the ORA Control Board Rev 2.1 use?
The ORA Control Board Rev 2.1 is built around the ATmega32U4-A, from the AVR/Arduino family.
How big is the ORA Control Board Rev 2.1?
The ORA Control Board Rev 2.1 measures 100 × 52.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the ORA Control Board Rev 2.1?
60 components, from 33 distinct parts. The full bill of materials is listed on this page.
Where can I download the ORA Control Board Rev 2.1 design files?
From the oaklandrobotics/electrical_ora24 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the ORA Control Board Rev 2.1 design in my own project?
The repository has no license, so all rights stay with oaklandrobotics. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the ORA Control Board Rev 2.1 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
More boards in electrical_ora24
AVR/ArduinoORA Control Board Rev 1
100 × 60 mm65 parts2LNo license0
AVR/ArduinoORA CONTROLBOARD REV1
100 × 60 mm65 parts2LNo license0
AVR/ArduinoORA Control Board Rev 2
100 × 52.5 mm61 parts2LNo license0
AVR/ArduinoORA ControlBoard main Rev2
100 × 52.5 mm60 parts2LNo license0
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