2 layers105.6 × 72 mm
Solar mppt charge controller
Pendu1699/solar-mppt-charge-controller
ESP32-based solar MPPT charge controller, custom PCB, perturb & observe tracking algorithm, logged efficiency test data.
25 parts2MIT
2 layers64.8 × 41.3 mm
AudioAmplifier-1
brucemack/KC1FSZ-AudioAmplifier-1KiCad Project: Audio amplifier based on the LM386. Has digital potentiometer for volume control.
- Size
- 64.8 × 41.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 26
- Nets
- 20
- Pads
- 65
- Tracks, vias
- 76, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 10 Jun 2018
- Updated
- 19 Jun 2018
Overview
AudioAmplifier-1 is an open-source printed circuit board by brucemack, from the brucemack/KC1FSZ-AudioAmplifier-1 repository on GitHub. It is a 2-layer board of 64.8 × 41.3 mm with 26 parts on 20 nets, routed with 76 tracks and 0 vias.
It is built around the LM386 and MCP4131-103E/P. Its parts include 9 capacitors, 5 resistors, 5 connectors, 2 ICs and 1 diode. It belongs with the audio and music boards of this library.
Main components
2
LM386
SOP-80.2% 0℃~+70℃ 4V~12V 4mA 50dB 700mWx1@8Ω Analog voltage gain SOP-8 Audio Amplifiers ROHSGcoreAudio Power OpAmps
MCP4131-103E/P
PDIP-8-40℃~+125℃ 0.5LSB 1 1.8V~5.5V 10kΩ 129 1MHz 2.5uA 50ppm/℃ 75Ω Linear Power-on reset RAM SPI ±20% PDIP-8 Digital Potentiometers ROHSMicrochip TechnologyDigital Potentiometers
README
README.mdKC1FSZ-AudioAmplifier-1
Parts
26| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | R | Resistors_THT:R_Axial_DIN0414_L11.9mm_D4.5mm_P5.08mm_Vertical | R1, R2, R3, R4 |
| 2 | 0.1u | kc1fsz-footprint-library:C_Disc_D4.7mm_W2.5mm_P5.00mm | C7, C9 |
| 2 | 1u | Capacitors_THT:CP_Radial_D5.0mm_P2.50mm | C1, C4 |
| 2 | CP | Capacitors_THT:CP_Radial_D5.0mm_P2.50mm | C2, C6 |
| 2 | Conn_01x03 | Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm | J1, J2 |
| 1 | 10 | Resistors_THT:R_Axial_DIN0414_L11.9mm_D4.5mm_P5.08mm_Vertical | R5 |
| 1 | 470u | Capacitors_THT:CP_Radial_D10.0mm_P5.00mm | C8 |
| 1 | C | kc1fsz-footprint-library:C_Disc_D4.7mm_W2.5mm_P5.00mm | C3 |
| 1 | CP | Capacitors_THT:CP_Radial_D10.0mm_P5.00mm | C5 |
| 1 | Conn_01x01 | Connectors:1pin | J5 |
| 1 | Conn_01x02 | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | J3 |
| 1 | Conn_01x04 | Pin_Headers:Pin_Header_Straight_1x04_Pitch2.54mm | J4 |
| 1 | D | Diodes_THT:D_DO-35_SOD27_P5.08mm_Vertical_AnodeUp | D1 |
| 1 | LM386 | Housings_DIP:DIP-8_W7.62mm_Socket | U1 |
| 1 | MCP4131-103 | Housings_DIP:DIP-8_W7.62mm_Socket | U2 |
| 1 | Q_NPN_EBC | TO_SOT_Packages_THT:TO-92_Molded_Wide | Q1 |
The 23 most common of 26 parts.
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Questions
How big is the AudioAmplifier-1 PCB?
It measures 64.8 × 41.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the AudioAmplifier-1 use?
26 parts, built around the LM386 and MCP4131-103E/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 AudioAmplifier-1 KiCad files?
From the brucemack/KC1FSZ-AudioAmplifier-1 repository on GitHub, at the commit this page was made from: the board is AudioAmplifier-1.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the AudioAmplifier-1 design in my own project?
Its repository states no licence, so its author keeps all rights: ask brucemack before reusing the design.