2 layers47.4 × 30.8 mm
2 layers58 × 35.2 mm
Microfoon
BachMorse/Micro_PCB- Size
- 58 × 35.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 30
- Nets
- 16
- Pads
- 131
- Tracks, vias
- 200, 15
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 24 Apr 2021
- Updated
- 9 May 2021
Overview
Microfoon is an open-source printed circuit board by BachMorse, from the BachMorse/Micro_PCB repository on GitHub. It is a 2-layer board of 58 × 35.2 mm with 30 parts on 16 nets, routed with 200 tracks and 15 vias.
It is built around the AMS1117-3.3 and BSS138. Its parts include 9 resistors, 5 connectors, 3 capacitors, 2 ICs and 2 transistors. It belongs with the ESP32 boards of this library.
Main components
2
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
BSS138
SOT-23-55℃~+150℃ 1 N-channel 1.1Ω@10V、1.2Ω@4.5V 1.2V 1.7nC@10V 17.5pF 340mA 350mW 50V 6.5pF N-Channel SOT-23 MOSFETs ROHShongjiachengMOSFETs
Parts
30| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 10k | Resistor_SMD:R_1206_3216Metric | R1, R2, R3, R4, R5, R6, R8, R9 |
| 3 | 100n | Capacitor_SMD:C_1206_3216Metric | C1, C2, C3 |
| 2 | 434111043826 | 434111043826:434111043826 | S1, S2 |
| 2 | 47u | Capacitor_SMD:CP_Elec_8x6.2 | CP1, CP2 |
| 2 | BSS138 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2 |
| 2 | Conn_01x04_Female | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J2, J4 |
| 1 | 105017-1001 | 105017-1001:MOLEX_105017-1001 | J3 |
| 1 | 1k | Resistor_SMD:R_1206_3216Metric | R7 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | Conn_01x02_Female | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | J5 |
| 1 | Conn_01x03_Female | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | J1 |
| 1 | ESP32-WROOM-32E_(16MB)_without | ESP32-WROOM-32E__16MB_:MODULE_ESP32-WROOM-32E_(16MB) | U1 |
| 1 | LED | LED_SMD:LED_1206_3216Metric | D1 |
The 26 most common of 30 parts.
Questions
How big is the Microfoon PCB?
It measures 58 × 35.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Microfoon use?
30 parts, built around the AMS1117-3.3 and BSS138. 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 Microfoon KiCad files?
From the BachMorse/Micro_PCB repository on GitHub, at the commit this page was made from: the board is microfoon.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Microfoon design in my own project?
Its repository states no licence, so its author keeps all rights: ask BachMorse before reusing the design.
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