2 679
About the 2 679 PCB
2 679 is an open source AVR/Arduino PCB design by wszeto9, published on GitHub. It is a 2-layer board measuring 101.6 × 95.3 mm, with 122 components from 64 distinct parts.
Its main chip is the Arduino_Nano_v3.x, from the AVR/Arduino family. Other key parts include the SP7652ER-L/TR, AON6558, LMV331, TCA9517DR and AMS1117-5.0. By type, the board carries 38 connectors, 33 resistors, 16 capacitors, 11 diodes, 9 ICs and 5 switches.
It belongs with the robotics & motion, power & battery and sensors designs in this gallery.
From the project
PCB Project for 2.679 which is then used in my 2.007 Competition Robot
Main components on the 2 679
2 679 bill of materials (BOM)
122 components, 64 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SP7652ER-L/TR | SP7652ER-L&slash_TR | U1 |
| 1 | AON6558 | DFN-8-1EP_6x5mm_P1.27mm_EP4x4mm | U2 |
| 1 | LMV331 | SOT-23-5 | U3 |
| 1 | TCA9517DR | SOIC127P599X175-8N | U4 |
| 1 | AMS1117-5.0 | SOT-223-3_TabPin2 | U5 |
| 1 | IP2721 | TSSOP-16_4.4x5mm_P0.65mm | U6 |
| 1 | BU4SU69G2 | SOT-23-5 | U7 |
| 1 | CC6920BSO-5A | SOP-8_3.9x4.9mm_P1.27mm | U8 |
| 1 | DRV5033AJxDBZ | SOT-23 | U9 |
| 1 | Arduino_Nano_v3.x | Arduino_Nano | A1 |
| 1 | POWER_IN | TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J1 |
| 1 | ARDUINO_HEADER_1 | PinSocket_1x15_P2.54mm_Vertical | J2 |
| 1 | ARDUINO_HEADER_2 | PinSocket_1x15_P2.54mm_Vertical | J3 |
| 1 | I2C_5V | PinSocket_1x04_P2.54mm_Vertical | J4 |
| 1 | POWER_OUT | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J5 |
| 8 | DC Motor Header | PinSocket_1x03_P2.54mm_Vertical | J6, J7, J8, J9, J10, J11, J12, J13 |
| 4 | Conn_01x06_Female | PinSocket_1x06_P2.54mm_Vertical | J14, J15, J16, J17 |
| 1 | I2C_3V3 | PinSocket_1x04_P2.54mm_Vertical | J18 |
| 8 | Servo Header | PinSocket_1x03_P2.54mm_Vertical | J19, J20, J21, J22, J23, J24, J25, J26 |
| 1 | RC IN | PinSocket_1x10_P2.54mm_Vertical | J27 |
Show 44 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | NEOPIXEL | PinHeader_1x03_P2.54mm_Vertical | J28 |
| 1 | MPU6050 | PinHeader_1x08_P2.54mm_Vertical | J29 |
| 1 | USB_C_Receptacle_USB2.0 | USB_C_Receptacle_Palconn_UTC16-G | J30 |
| 1 | I_IN | PinSocket_1x03_P2.54mm_Vertical | J31 |
| 1 | I_OUT | PinSocket_1x03_P2.54mm_Vertical | J32 |
| 1 | D_OUT | PinSocket_1x03_P2.54mm_Vertical | J33 |
| 1 | HALL_OUT | PinHeader_1x03_P2.54mm_Vertical_SMD_Pin1Left | J34 |
| 4 | Conn_01x11_Male | PinHeader_1x11_P2.54mm_Vertical | J35, J36, J37, J38 |
| 1 | Buzzer | CP_Radial_D10.0mm_P5.00mm | BZ2 |
| 1 | 20A | Fuseholder_Blade_Mini_Keystone_3568 | F1 |
| 2 | Jumper_2_Bridged | PinHeader_1x02_P2.54mm_Vertical | JP1, JP2 |
| 2 | Jumper_2_Bridged | SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mm | JP3, JP4 |
| 2 | 200k | Potentiometer_Bourns_TC33X_Vertical | RV1, RV2 |
| 1 | SW_SPST | M2012SS2W13 | SW1 |
| 1 | SW_Push_Open | SW_SPST_CK_RS282G05A3 | SW2 |
| 1 | SW_P3 | SolderJumper-3_P1.3mm_Bridged12_Pad1.0x1.5mm | SW3 |
| 1 | SW_P4 | SolderJumper-3_P1.3mm_Bridged12_Pad1.0x1.5mm | SW4 |
| 1 | SW_SPST | SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | SW5 |
| 1 | D_Schottky | D_0402_1005Metric | D1 |
| 5 | LED | LED_0603_1608Metric | D2, D3, D7, D8, D11 |
| 3 | 3528 ARGB LED | LED_Cree-PLCC4_3.2x2.8mm_CCW | D4, D5, D6 |
| 1 | SS54 | D_SMA | D9 |
| 1 | 1N5819WS | D_SOD-323 | D10 |
| 1 | 2.2uH 8A | L_Abracon_ASPI-0630LR | L1 |
| 1 | 22nF | C_0402_1005Metric | C1 |
| 4 | 1uF | C_0402_1005Metric | C2, C3, C13, C14 |
| 1 | 47uF | C_1206_3216Metric | C4 |
| 2 | 100pF | C_0402_1005Metric | C5, C7 |
| 1 | 22pF | C_0402_1005Metric | C6 |
| 1 | 1nF | C_0402_1005Metric | C8 |
| 1 | 22uF | C_0805_2012Metric | C9 |
| 5 | 0.1uF | C_0402_1005Metric | C10, C11, C12, C15, C16 |
| 1 | 5.1R | R_0603_1608Metric | R1 |
| 2 | 68K | R_0402_1005Metric | R2, R33 |
| 1 | 220k | R_0402_1005Metric | R3 |
| 3 | 5.1k | R_0402_1005Metric | R4, R29, R30 |
| 1 | 12k | R_0402_1005Metric | R5 |
| 5 | 1K | R_0402_1005Metric | R6, R12, R13, R26, R32 |
| 1 | 15k | R_0402_1005Metric | R7 |
| 7 | 10K | R_0402_1005Metric | R8, R11, R22, R23, R24, R25, R31 |
| 1 | 470R | R_0402_1005Metric | R9 |
| 1 | R_Photo | PinSocket_1x02_P2.54mm_Vertical | R10 |
| 8 | 2.2K | R_0402_1005Metric | R14, R15, R16, R17, R18, R19, R20, R21 |
| 2 | 4.7k | R_0402_1005Metric | R27, R28 |
2 679 design files
The KiCad project lives in the wszeto9/2_679_PCB repository on GitHub; these links point at the commit this page was built from.
- Layout2_679_PCB.kicad_pcb
- Schematic2_679_PCB.kicad_sch
- BOM2_679_PCB_digikey_BOM.csv
2 679: common questions
What microcontroller does the 2 679 use?
The 2 679 is built around the Arduino_Nano_v3.x, from the AVR/Arduino family.
How big is the 2 679 PCB?
The 2 679 measures 101.6 × 95.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 2 679?
122 components, from 64 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the 2 679 design files?
From the wszeto9/2_679_PCB repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the 2 679 design in my own project?
The repository has no license, so all rights stay with wszeto9. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the 2 679 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.
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