Avrisp mkII
joshajohnson·avrisp-mkII·hardware/0.1/avrisp-mkII.kicad_pcb
About the Avrisp mkII PCB
Avrisp mkII is an open source AVR/Arduino PCB design by joshajohnson, published on GitHub under the CERN-OHL-1.2 license. It is a 2-layer board measuring 51.3 × 17 mm, with 42 components from 29 distinct parts.
Its main chip is the AT90USB162-16AU, from the AVR/Arduino family. Other key parts include the USBLC6-2SC6, AP2112K-3.3 and MCP130-xxxxTT. By type, the board carries 12 capacitors, 10 resistors, 6 diodes, 4 ICs, 4 connectors and 2 switches.
From the project
Atmel AVRISP MKII
AVRISP-MKII clone, in a small form factor with USB Type C connector.

Main components on the Avrisp mkII
Avrisp mkII bill of materials (BOM)
42 components, 29 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | USBLC6-2SC6 | SOT-23-6 | U1 |
| 1 | AP2112K-3.3 | SOT-23-5 | U2 |
| 1 | MCP130-xxxxTT | SOT-23 | U3 |
| 1 | AT90USB162-16AU | TQFP-32_7x7mm_P0.8mm | U4 |
| 1 | 16MHz | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | USB_C_Receptacle_USB2.0 | USB_C_U262-161N-4BVC11 | J1 |
| 2 | 2.54 THT | PinHeader_1x03_P2.54mm_Vertical | J2, J3 |
| 1 | AVR ISP | IDC-Header_2x03_P2.54mm_Vertical | J4 |
| 1 | 100mA | Fuse_0805_2012Metric | F1 |
| 1 | RST | Panasonic_EVQPUL_EVQPUC | SW1 |
| 1 | SW_Push | Panasonic_EVQPUL_EVQPUC | SW2 |
| 1 | 1N4148 | D_SOD-323 | D1 |
| 1 | PWR | LED_0603_1608Metric | D2 |
| 1 | STAT | LED_0603_1608Metric | D3 |
| 2 | BAT54C | SOT-23 | D4, D6 |
| 1 | ACT | LED_0603_1608Metric | D5 |
| 2 | 600R | Ferrite_Bead_0603 | FB1, FB2 |
| 3 | 1u | C_0603_1608Metric | C1, C2, C7 |
| 5 | 100n | C_0603_1608Metric | C3, C8, C9, C10, C12 |
| 1 | 100u | CP_EIA-3216-10_Kemet-I | C4 |
Show 9 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 22P | C_0603_1608Metric | C5, C6 |
| 1 | 10u | C_0603_1608Metric | C11 |
| 2 | 5K1 | R_0603_1608Metric | R1, R2 |
| 1 | 10K | R_0603_1608Metric | R3 |
| 1 | 100R | R_0603_1608Metric | R4 |
| 2 | 22R | R_0603_1608Metric | R5, R6 |
| 1 | 1M | R_0603_1608Metric | R8 |
| 1 | 200R | R_0603_1608Metric | R9 |
| 2 | 1K | R_Array_Convex_4x0603 | RN1, RN2 |
Avrisp mkII design files
The KiCad project lives in the joshajohnson/avrisp-mkII repository on GitHub; these links point at the commit this page was built from.
Avrisp mkII: common questions
What microcontroller does the Avrisp mkII use?
The Avrisp mkII is built around the AT90USB162-16AU, from the AVR/Arduino family.
How big is the Avrisp mkII PCB?
The Avrisp mkII measures 51.3 × 17 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Avrisp mkII?
42 components, from 29 distinct parts. The full bill of materials is listed on this page.
Where can I download the Avrisp mkII design files?
From the joshajohnson/avrisp-mkII repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Avrisp mkII design in my own project?
Yes, under the terms of its CERN-OHL-1.2 license, which joshajohnson chose for the repository.
Can I test firmware for the Avrisp mkII 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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