2 layers52.5 × 36.6 mm
ESP8266-WebRadio
karawin/Ka-Radio
A wifi webradio with only low cost boards ESP8266 and VS1053 by Jp Cocatrix
52 parts453
2 layers38.8 × 28.5 mm
SA572 Eval
GadgetReboot/SA5721SA572 Compander Breakout Board
- Size
- 38.8 × 28.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 37
- Nets
- 32
- Pads
- 99
- Tracks, vias
- 269, 48
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 21 Mar 2025
- Updated
- 21 Mar 2025
Overview
SA572 Eval is an open-source printed circuit board by GadgetReboot, from the GadgetReboot/SA572 repository on GitHub. It is a 2-layer board of 38.8 × 28.5 mm with 37 parts on 32 nets, routed with 269 tracks and 48 vias.
It is built around the NE5532. Its parts include 17 capacitors, 12 resistors, 3 diodes, 2 ICs and 2 connectors.
Main components
1README
README.mdSA572
SA572 Compander Breakout Board
Parts
37| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 10uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C4, C10, C11, C12 |
| 5 | 2.2uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C6, C7, C14, C15 |
| 3 | 9K1 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R3, R9 |
| 2 | 100K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R6 |
| 2 | 100nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C16, C17 |
| 2 | 1K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R5, R8 |
| 2 | 1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C9, C13 |
| 2 | 22uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C5, C8 |
| 2 | 4K7 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R11, R12 |
| 2 | DNI | footprints:Zener_MiniMELF | D1, D2 |
| 1 | 10K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R7 |
| 1 | 20K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4 |
| 1 | 3K3 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R10 |
| 1 | Conn_01x03 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J1 |
| 1 | Conn_01x08 | Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical | J2 |
| 1 | DNI | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 1 | LED_Small_Filled | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D3 |
| 1 | LOGO | _Custom_Footprints:pcb way logo | G*** |
| 1 | NE5532 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | SA572 | Package_SO:SOIC-16W_7.5x10.3mm_P1.27mm | U2 |
Questions
How big is the SA572 Eval PCB?
It measures 38.8 × 28.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the SA572 Eval use?
37 parts, built around the NE5532. 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 SA572 Eval KiCad files?
From the GadgetReboot/SA572 repository on GitHub, at the commit this page was made from: the board is KiCad/SA572_Eval.kicad_pcb and its schematic KiCad/SA572_Eval.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the SA572 Eval design in my own project?
Its repository states no licence, so its author keeps all rights: ask GadgetReboot before reusing the design.
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