Interface
About the Interface PCB
Interface is an open source AVR/Arduino PCB design by ksmonkey123, published on GitHub under the MIT license. It is a 2-layer board measuring 85.1 × 62.9 mm, with 30 components from 16 distinct parts.
Its main chip is the ATmega328P-AU, from the AVR/Arduino family. Other key parts include the MAX488E, 4021 and 74HC595. By type, the board carries 10 ICs, 7 connectors, 7 resistors, 3 capacitors, 1 crystal and 1 LED.
From the project
3rd generation moba control
Main components on the Interface
Interface bill of materials (BOM)
30 components, 16 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATmega328P-AU | TQFP-32_7x7mm_P0.8mm | U1 |
| 1 | MAX488E | SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 2 | 4021 | SOIC-16_3.9x9.9mm_P1.27mm | U3, U4 |
| 6 | 74HC595 | SOIC-16_3.9x9.9mm_P1.27mm | U5, U6, U7, U8, U9, U10 |
| 1 | 16MHz | Crystal_HC49-4H_Vertical | Y1 |
| 1 | Conn_01x04 | PinHeader_1x04_P2.54mm_Vertical | J1 |
| 1 | AVR-ISP-6 | PinSocket_2x03_P2.54mm_Vertical | J2 |
| 4 | Conn_02x08_Odd_Even | PinHeader_2x08_P2.54mm_Vertical | J3, J5, J6, J7 |
| 1 | RJ45_LED_Shielded | RND_RJ45_LED | J4 |
| 1 | POWER | Wago_734-133_1x03_P3.50mm_Vertical | POWER1 |
| 1 | LED | LED_0603_1608Metric | LED1 |
| 2 | 10pF | C_0603_1608Metric | C1, C2 |
| 1 | 220uF | CP_Radial_D8.0mm_P3.50mm | C3 |
| 3 | 10k | R_0603_1608Metric | R1, R2, R3 |
| 3 | 1k | R_0603_1608Metric | R4, R18, R19 |
| 1 | 2k | R_0603_1608Metric | R8 |
Interface design files
The KiCad project lives in the ksmonkey123/moba3 repository on GitHub; these links point at the commit this page was built from.
Interface: common questions
What microcontroller does the Interface use?
The Interface is built around the ATmega328P-AU, from the AVR/Arduino family.
How big is the Interface PCB?
The Interface measures 85.1 × 62.9 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Interface?
30 components, from 16 distinct parts. The full bill of materials is listed on this page.
Where can I download the Interface design files?
From the ksmonkey123/moba3 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Interface design in my own project?
Yes, under the terms of its MIT license, which ksmonkey123 chose for the repository.
Can I test firmware for the Interface 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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