4 layers158.8 × 104.1 mm
2 layers40 × 50 mm
pulse generator
- Size
- 40 × 50 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 27
- Nets
- 22
- Pads
- 95
- Tracks, vias
- 168, 25
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 11 Nov 2019
- Updated
- 12 Nov 2019
Overview
Ppm is an open-source printed circuit board by liangx8, from the liangx8/pcb_ppm repository on GitHub. It is a 2-layer board of 40 × 50 mm with 27 parts on 22 nets, routed with 168 tracks and 25 vias.
It is built around the ATMEGA48-20AU. Its parts include 11 resistors, 4 connectors, 3 diodes, 3 switches and 2 ICs. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
1Parts
27| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 1K | Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R5, R6, R7, R9, R10, R11 |
| 5 | R | Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R1, R2, R3, R4, R8 |
| 2 | Conn_01x04 | footprint:conn-4x2.54mm | J1, J2 |
| 1 | ATmega48-20AU | Package_QFP:TQFP-32_7x7mm_P0.8mm | U1 |
| 1 | C | Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C1 |
| 1 | Conn_01x03 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J3 |
| 1 | Conn_01x06 | footprint:conn-6x2.54mm | J4 |
| 1 | KA78M05_TO252 | Package_TO_SOT_SMD:TO-252-2 | U2 |
| 1 | PB0 | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1 |
| 1 | PB1 | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D2 |
| 1 | PB2 | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D3 |
| 1 | PC0 | Button_Switch_SMD:SW_SPST_CK_RS282G05A3 | SW3 |
| 1 | PC1 | Button_Switch_SMD:SW_SPST_CK_RS282G05A3 | SW2 |
| 1 | PC2 | Button_Switch_SMD:SW_SPST_CK_RS282G05A3 | SW1 |
The 24 most common of 27 parts.
Questions
How big is the Ppm PCB?
It measures 40 × 50 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Ppm use?
27 parts, built around the ATMEGA48-20AU. 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.
Where can I download the Ppm KiCad files?
From the liangx8/pcb_ppm repository on GitHub, at the commit this page was made from: the board is ppm.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Ppm design in my own project?
Its repository states no licence, so its author keeps all rights: ask liangx8 before reusing the design.
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