DevinJM3/Jeopardy-BuzzersJeopardy Buzzers is an open-source printed circuit board by DevinJM3, from the DevinJM3/Jeopardy-Buzzers repository on GitHub, published under the MIT licence. It is a 2-layer board of 40 × 30 mm with 30 parts on 33 nets, routed with 256 tracks and 37 vias.
It is built around the CH340N and AMS1117-3.3. Its parts include 7 capacitors, 5 resistors, 5 diodes, 5 connectors and 4 ICs. It belongs with the RISC-V boards of this library.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 5.1v | Diode_SMD:Nexperia_CFP3_SOD-123W | D4, D5, D6 |
| 2 | 0.1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4, C7 |
| 2 | 10uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2 |
| 2 | 12pF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C5, C6 |
| 2 | 1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4, R5 |
| 2 | 5.1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2 |
| 2 | LED | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1, D2 |
| 2 | MountingHole_Pad | Connector_PinSocket_2.54mm:PinSocket_1x01_P2.54mm_Vertical | H1, H2 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3 |
| 1 | 22uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U5 |
| 1 | CH32V003FxUx | Package_DFN_QFN:QFN-20-1EP_3x3mm_P0.4mm_EP1.65x1.65mm | U1 |
| 1 | CH340N | Package_SO:SOP-8_3.9x4.9mm_P1.27mm | U2 |
| 1 | Conn_01x02_Pin | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | Conn_01x03_Socket | Connector_JST:JST_PH_S3B-PH-K_1x03_P2.00mm_Horizontal | J3 |
| 1 | Conn_01x03_Socket | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J4 |
| 1 | Conn_02x04_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J5 |
| 1 | Crystal_24MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | LOGO | Library:PCB Logo (12.5x17) | G*** |
| 1 | NRF24L01_Breakout | RF_Module:nRF24L01_Breakout | U3 |
| 1 | USB_C_Receptacle_USB2.0_14P | Library:Usb-C | J1 |
It measures 40 × 30 mm and has 2 copper layers, 1.6 mm thick.
30 parts, built around the CH340N and AMS1117-3.3. 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 DevinJM3/Jeopardy-Buzzers repository on GitHub, at the commit this page was made from: the board is KiCad Files/Jeopardy-Buzzers.kicad_pcb and its schematic KiCad Files/Jeopardy-Buzzers.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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