
Wild Spy Open Source Timer 3ch 16mm coin REV0
Wild-Spy/OSTBoardHardware
Hardware design for the Open Source Timer board.

Hardware design for the Open Source Timer board.
Wild Spy Open Source Timer is an open-source printed circuit board by Wild-Spy, from the Wild-Spy/OSTBoardHardware repository on GitHub, published under the Apache-2.0 licence. It is a 2-layer board of 30 × 32.8 mm with 88 parts on 54 nets, routed with 499 tracks and 41 vias.
It is built around the ATSAMD21E16B-MU, UM6K33NTN and DS3232SN#T&R, with the TPS70933DBVR-MS, AO3415 and BSH103 among its other parts. Its parts include 12 resistors, 7 capacitors, 7 transistors, 5 ICs and 2 switches. It belongs with the SAM D and SAM boards of this library.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | AO3415 | OSTFootprints:SOT-23-HandSoldering | Q1, Q2, Q3, Q4, Q5, Q6 |
| 5 | 100k | Resistors_SMD:R_0603_HandSoldering | R4, R5, R6, R7, R12 |
| 4 | 0.1uF | Capacitors_SMD:C_0603_HandSoldering | C1, C2, C3, C4 |
| 4 | CONN_01X03 | Pin_Headers:Pin_Header_Straight_1x03 | CH1, CH2, CH3, CH4 |
| 3 | 10k | Resistors_SMD:R_0603_HandSoldering | R1, R2, R8 |
| 2 | 1k | Resistors_SMD:R_0603_HandSoldering | R9, R11 |
| 2 | UM6K33N | OSTFootprints:SC88(SOT363) | U3, U4 |
| 1 | 150k | Resistors_SMD:R_0603_HandSoldering | R3 |
| 1 | 1uF | Capacitors_SMD:C_0603_HandSoldering | C6 |
| 1 | 2k | Resistors_SMD:R_0603_HandSoldering | R10 |
| 1 | ATSAMD21E16B | OSTFootprints:QFN-32-1EP_5x5mm_Pitch0.5mm | U5 |
| 1 | BSH103 | OSTFootprints:SOT-23-HandSoldering | Q7 |
| 1 | CL10A105KB8NNNC | Capacitors_SMD:C_0805 | C5 |
| 1 | CL10B225KQ8NFNC | Capacitors_SMD:C_0603 | C8 |
| 1 | CONN_01X02 | Pin_Headers:Pin_Header_Straight_1x02 | Battery1 |
| 1 | CONN_01X04 | OSTFootprints:Pin_Header_Straight_1x04_Pitch2.54mm | PBus1 |
| 1 | CONN_01X05 | OSTFootprints:SWD_PROG_HEADER_L | SWD1 |
| 1 | DS3232SN | OSTFootprints:SOIC-20_7.5x12.8mm_Pitch1.27mm | U1 |
| 1 | JUMPER3 | OSTFootprints:SOLDER-JUMPER_2-WAY | JP1 |
| 1 | LED | OSTFootprints:LED_0603 | D1 |
| 1 | LOGO | WS_LOGO:WS_logo_6 | G*** |
| 1 | ORD213 | OSTFootprints:ORD213S-1 | SW2 |
| 1 | SW_PUSH | OSTFootprints:KMT071NGJLHS_3x2.6mm_switch | SW1 |
| 1 | Symbol_OSHW-Logo_SilkScreen | Symbols:Symbol_OSHW-Logo_SilkScreen | |
| 1 | TPS70933DBVR | OSTFootprints:SOT-23-5_HandSoldering | U2 |
| 1 | micro_USB | OSTFootprints:micro_USB | USB1 |
The 45 most common of 88 parts.

Wild-Spy/OSTBoardHardware
Hardware design for the Open Source Timer board.

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It measures 30 × 32.8 mm and has 2 copper layers, 1.6 mm thick.
88 parts, built around the ATSAMD21E16B-MU, UM6K33NTN, DS3232SN#T&R and TPS70933DBVR-MS. 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 Wild-Spy/OSTBoardHardware repository on GitHub, at the commit this page was made from: the board is Wild Spy Open Source Timer.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the Apache-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).