
Ferris
pierrechevalier83/ferris
A low profile split keyboard designed to satisfy one single use case elegantly

Photo-Acoustic Sensing Capstone Project
ADC is an open-source printed circuit board by bitbyt3r, from the bitbyt3r/Capstone repository on GitHub. It is a 2-layer board of 38.1 × 63.5 mm with 103 parts on 65 nets, routed with 1,057 tracks and 46 vias.
It is built around the AK5703EN. Its parts include 41 capacitors, 41 resistors, 9 diodes, 6 ICs and 2 connectors.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | 1k | Resistors_SMD:R_0603_HandSoldering | R1, R9, R10, R18, R19, R23, R35, R36, R38, R40 |
| 9 | 1u | Capacitors_SMD:C_0603_HandSoldering | C6, C17, C33, C34, C35, C36, C37, C38, C40 |
| 9 | D_Schottky | Diodes_ThroughHole:Diode_DO-41_SOD81_Horizontal_RM10 | D1, D2, D3, D3, D4, D5, D6, D7, D8 |
| 8 | 100k | Resistors_SMD:R_0603_HandSoldering | R5, R6, R12, R13, R21, R22, R25, R26 |
| 8 | 10u | Capacitors_SMD:C_0603_HandSoldering | C1, C2, C9, C13, C19, C20, C27, C28 |
| 4 | 0.1u | Capacitors_SMD:C_0603_HandSoldering | C15, C18, C39, C41 |
| 4 | 100n | Capacitors_SMD:C_0603_HandSoldering | C5, C11, C23, C24 |
| 4 | 15k | Resistors_SMD:R_0603_HandSoldering | R3, R14, R27, R28 |
| 4 | 180p | Capacitors_SMD:C_0603_HandSoldering | C8, C16, C31, C32 |
| 4 | 18k | Resistors_SMD:R_0603_HandSoldering | R4, R15, R29, R30 |
| 4 | 2.2k | Resistors_SMD:R_0603_HandSoldering | R2, R11, R20, R24 |
| 4 | 2.2u | Capacitors_SMD:C_0603_HandSoldering | C4, C12, C25, C26 |
| 4 | 3.3u | Capacitors_SMD:C_0603_HandSoldering | C7, C14, C29, C30 |
| 4 | 4.7u | Capacitors_SMD:C_0603_HandSoldering | C3, C10, C21, C22 |
| 4 | 820 | Resistors_SMD:R_0603_HandSoldering | R7, R16, R31, R32 |
| 4 | 82k | Resistors_SMD:R_0603_HandSoldering | R8, R17, R33, R34 |
| 3 | 10k | Resistors_SMD:R_0603_HandSoldering | R37, R39, R41 |
| 1 | AK5703 | Housings_DFN_QFN:QFN-28-1EP_4x4mm_Pitch0.4mm | U6 |
| 1 | CONN_02X05 | Pin_Headers:Pin_Header_Straight_2x05 | P1 |
| 1 | CONN_02X08 | Pin_Headers:Pin_Header_Straight_2x08 | P2 |
| 1 | MICA | Buzzers_Beepers:MagneticBuzzer_Kingstate_KCG0601 | U1 |
| 1 | MICB | Buzzers_Beepers:MagneticBuzzer_Kingstate_KCG0601 | U2 |
| 1 | MICC | Buzzers_Beepers:MagneticBuzzer_Kingstate_KCG0601 | U4 |
| 1 | MICD | Buzzers_Beepers:MagneticBuzzer_Kingstate_KCG0601 | U5 |
| 1 | TL074 | Housings_SSOP:TSSOP-14_4.4x5mm_Pitch0.65mm | U3 |
The 99 most common of 103 parts.
It measures 38.1 × 63.5 mm and has 2 copper layers, 1.6 mm thick.
103 parts, built around the AK5703EN. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the bitbyt3r/Capstone repository on GitHub, at the commit this page was made from: the board is ADC/ADC.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask bitbyt3r before reusing the design.

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