H9ps
About the H9ps PCB
H9ps is an open source AVR/Arduino PCB design by c3h9dx, published on GitHub. It is a 2-layer board measuring 70 × 60 mm, with 69 components from 29 distinct parts.
Its main chip is the ATmega16M1-AU, from the AVR/Arduino family. Other key parts include the TLC272, MCP1541-TT, INA181A3, BTS50085-1TMA and INA181A1. By type, the board carries 24 resistors, 21 capacitors, 9 ICs, 5 diodes, 4 transistors and 4 connectors.
Main components on the H9ps
H9ps bill of materials (BOM)
69 components, 29 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | TLC272 | SOIC-8_3.9x4.9mm_P1.27mm | U1, U4 |
| 1 | MCP1541-TT | SOT-23 | U2 |
| 1 | INA181A3 | SOT-23-6 | U3 |
| 1 | BTS50085-1TMA | TO-263-7_TabPin4 | U5 |
| 1 | ATmega16M1-AU | TQFP-32_7x7mm_P0.8mm | U6 |
| 1 | INA181A1 | SOT-23-6 | U7 |
| 1 | BTS443P | TO-252-4 | U8 |
| 1 | MCP2551-I-SN | SOIC-8_3.9x4.9mm_P1.27mm | U9 |
| 3 | 2N7002 | SOT-23 | Q1, Q3, Q4 |
| 1 | BSS84 | SOT-23 | Q2 |
| 1 | 16MHz | Crystal_HC49-U_Vertical | Y1 |
| 1 | AVR-ISP-6 | IDC-Header_2x03_P2.54mm_Vertical | J1 |
| 1 | Conn_01x03 | JST_PH_B3B-PH-K_1x03_P2.00mm_Vertical | J2 |
| 1 | DB9 | IDC-Header_2x05_P2.54mm_Vertical | J3 |
| 1 | Conn_01x04 | JST_PH_B4B-PH-K_1x04_P2.00mm_Vertical | J4 |
| 3 | S1M | D_SMB_Handsoldering | D1, D2, D5 |
| 1 | LED_Small_ALT | LED_D3.0mm | D3 |
| 1 | NUP2105L | SOT-23 | D4 |
| 1 | 10uH | L_1210_3225Metric_Pad1.42x2.65mm_HandSolder | L1 |
| 15 | 100n | C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C1, C2, C3, C4, C7, C8, C9, C11 +7 |
Show 9 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 47uF | CP_EIA-3528-21_Kemet-B_Pad1.50x2.35mm_HandSolder | C5, C20 |
| 2 | 1uF | C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C6, C10 |
| 2 | 22p | C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C12, C13 |
| 3 | 100 | R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R1, R13, R16 |
| 3 | 0R | R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R2, R4, R19 |
| 2 | NN | R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R3, R18 |
| 13 | 10k | R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R5, R6, R8, R10, R11, R12, R14, R15 +5 |
| 2 | 0R003 | R_2512_6332Metric_Pad1.52x3.35mm_HandSolder | R7, R9 |
| 1 | 0R3 | R_2512_6332Metric_Pad1.52x3.35mm_HandSolder | R21 |
H9ps design files
The KiCad project lives in the c3h9dx/h9ps repository on GitHub; these links point at the commit this page was built from.
- Layouth9ps.kicad_pcb
H9ps: common questions
What microcontroller does the H9ps use?
The H9ps is built around the ATmega16M1-AU, from the AVR/Arduino family.
How big is the H9ps PCB?
The H9ps measures 70 × 60 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the H9ps?
69 components, from 29 distinct parts. The full bill of materials is listed on this page.
Where can I download the H9ps design files?
From the c3h9dx/h9ps repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the H9ps design in my own project?
The repository has no license, so all rights stay with c3h9dx. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the H9ps 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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