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jayis1/hardware-design-lab
Full-cycle hardware device designs — each device in its own subfolder with architecture, schematics, PCB layout, and software stack

Main hw is an open-source printed circuit board by laser-game, from the laser-game/main-hw repository on GitHub. It is a 2-layer board of 110 × 85 mm with 111 parts on 149 nets, routed with 1,000 tracks and 184 vias.
It is built around the AD8542AR, LM4861M and 74AHC1G08GW, with the ULN2003 and PGB1010603MR among its other parts. Its parts include 39 capacitors, 36 resistors, 13 ICs, 9 connectors and 5 diodes. It belongs with the STM32 boards of this library.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 26 | 100n | Capacitor_SMD:C_0805_2012Metric | C1, C2, C3, C14, C16, C18, C19, C20, C21, C22, C23, C24, C25, C26, C28, C29 +10 |
| 16 | 10k | Resistor_SMD:R_0805_2012Metric | R1, R2, R3, R4, R7, R8, R13, R14, R28, R29, R30, R31, R32, R33, R34, R35 |
| 8 | 120R | Resistor_SMD:R_0805_2012Metric | R15, R16, R18, R19, R21, R22, R24, R25 |
| 8 | 1u/50V | Capacitor_SMD:C_0805_2012Metric | C9, C10, C17, C27, C30, C31, C34, C37 |
| 4 | 180R | Resistor_SMD:R_0805_2012Metric | R17, R20, R23, R26 |
| 4 | LTST-G563ZEGBW | KLIB_Opto:LED_RGB_5050-6 | D2, D3, D4, D5 |
| 4 | M3 | KLIB_Mechanical:Bolt_M3 | H1, H2, H3, H4 |
| 2 | 100R | Resistor_SMD:R_0805_2012Metric | R27, R36 |
| 2 | 1n | Capacitor_SMD:C_0805_2012Metric | C12, C15 |
| 2 | 74AHC1G08 | Package_TO_SOT_SMD:SOT-23-5 | U12, U13 |
| 2 | 82k | Resistor_SMD:R_0805_2012Metric | R11, R12 |
| 2 | AD8542 | Package_SO:SOIJ-8_5.3x5.3mm_P1.27mm | U3, U5 |
| 2 | IDC_02X07 | Connector_IDC:IDC-Header_2x07_P2.54mm_Vertical | J4, J5 |
| 2 | LM4861 | Package_SO:SOIJ-8_5.3x5.3mm_P1.27mm | U2, U4 |
| 2 | MCP1826S | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U9, U10 |
| 2 | R | Resistor_SMD:R_0805_2012Metric | R5, R6 |
| 2 | STM32F405RGTx | Package_QFP:TQFP-64_10x10mm_P0.5mm | U1, U6 |
| 2 | SWD_01X04 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J2, J3 |
| 1 | 100p | Capacitor_SMD:C_0805_2012Metric | C11 |
| 1 | 18k | Resistor_SMD:R_0805_2012Metric | R9 |
| 1 | 470k | Resistor_SMD:R_0805_2012Metric | R10 |
| 1 | 47u/10V | Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B | C35 |
| 1 | 68p | Capacitor_SMD:C_0805_2012Metric | C13 |
| 1 | HM-TRP-869S | KLIB_RF_Module:HM-TRP-SMD | U7 |
| 1 | IDC_02X03 | Connector_IDC:IDC-Header_2x03_P2.54mm_Vertical | J6 |
| 1 | IDC_02X05 | Connector_IDC:IDC-Header_2x05_P2.54mm_Vertical | J9 |
| 1 | IDC_02X13 | Connector_IDC:IDC-Header_2x13_P2.54mm_Vertical | J7 |
| 1 | LCD_BTN | Button_Switch_SMD:SW_SPST_FSMSM | SW1 |
| 1 | LOGO | KLIB_Logo:wykys_skill | G*** |
| 1 | OSRB38C9BA | KLIB_Opto:OSRB8C9BA_Horizontal | U11 |
| 1 | PGB1010603MR | Diode_SMD:D_0603_1608Metric | D1 |
| 1 | SMA | Connector_Coaxial:SMA_Jack_Vertical | J8 |
| 1 | UART_01X03 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J1 |
| 1 | ULN2003 | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U8 |
The 108 most common of 111 parts.
It measures 110 × 85 mm and has 2 copper layers, 1.6 mm thick.
111 parts, built around the AD8542AR, LM4861M, 74AHC1G08GW and ULN2003. 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 laser-game/main-hw repository on GitHub, at the commit this page was made from: the board is hw/main.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 laser-game before reusing the design.

jayis1/hardware-design-lab
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