2 layers99.5 × 90.5 mm
2 layers75.9 × 70.3 mm
DumpsterSAO
aromans/DumpsterSAODumpster SAO Project for DC33
- Size
- 75.9 × 70.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 21
- Nets
- 20
- Pads
- 57
- Tracks, vias
- 79, 8
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 1 Apr 2025
- Updated
- 5 Aug 2025
Overview
DumpsterSAO is an open-source printed circuit board by aromans, from the aromans/DumpsterSAO repository on GitHub. It is a 2-layer board of 75.9 × 70.3 mm with 21 parts on 20 nets, routed with 79 tracks and 8 vias.
It is built around the NE555DR, APA2106SECK and S9014, with the CMEJ-0627-42-P, IN-S126ASR and TC33X-2-204E among its other parts. Its parts include 8 resistors, 5 diodes, 3 capacitors, 2 transistors and 1 IC.
Main components
6
NE555DR
SOP-80℃~+70℃ 100kHz 4.5V~16V SOP-8 555 Timers / Counters ROHSUMWTimers / Counters
APA2106SECK
SMD,2.1x1mm-40℃~+85℃ 120° 180mcd 2.1V 2.1mm side-view lamp 20mA 601nm 610nm 75mW Discrete Diode Orange Water Clear SMD,2.1x1mm LED Indication - Discrete ROHSKingbrightLED Indication - Discrete
S9014
SOT-23-55℃~+150℃ 1 NPN 100mA 100nA 150MHz 200 200mW 300mV 45V 5V NPN SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)
CMEJ-0627-42-P
插件,D=6mm-40℃~+70℃ -42dB@±3dB 100Hz~10kHz 1V~10V 2.2kΩ 2.9mm 500uA 60dB 6mm Omnidirectional Plug-in 插件,D=6mm Microphones ROHSCUIMicrophones
IN-S126ASR
1206LED Indication - DiscreteInolux
TC33X-2-204E
SMD-3P,3.8x3.6mm1 100mW 200kΩ ±25% ±250ppm/℃ SMD-3P,3.8x3.6mm Potentiometers, Variable Resistors ROHSBournsPotentiometers & Variable Resistors
README
README.mdDumpster Fire SAO for DEFCON 2025
The following is a readme for the badge.
Notes
Bitmaps mus be converted to a size of 63.5 x 58.153 mm
Parts
21| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 50R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R3 |
| 3 | APA2106SECK | DumpsterPcb:LED_APA2106SECK | D1, D2, D3 |
| 2 | 10uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2 |
| 2 | 1kR | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4, R6 |
| 2 | S9014 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2 |
| 1 | 1MR | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R7 |
| 1 | 1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3 |
| 1 | 5kR | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R8 |
| 1 | 6120XX21621_61200621621 | DumpsterPcb:61200621621 | J1 |
| 1 | CMEJ-0627-42-P | footprints:MIC_CMEJ-0627-42-P | MK1 |
| 1 | IN-S126ASR | footprints:INS126ASR | D4 |
| 1 | IN-S126ASR | DumpsterPcb:INS126ASR | D5 |
| 1 | NE555DR | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | TC33X-2-204E | footprints:TRIM_TC33X-2-104E | R5 |
Questions
How big is the DumpsterSAO PCB?
It measures 75.9 × 70.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the DumpsterSAO use?
21 parts, built around the NE555DR, APA2106SECK, S9014 and CMEJ-0627-42-P. 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 DumpsterSAO KiCad files?
From the aromans/DumpsterSAO repository on GitHub, at the commit this page was made from: the board is DumpsterSAO.kicad_pcb and its schematic DumpsterSAO.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the DumpsterSAO design in my own project?
Its repository states no licence, so its author keeps all rights: ask aromans before reusing the design.
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