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2 layers46 × 46 mmGarden MUX, the printed circuit board in 3D

A microcontroller designed for use in garden projects in mind. Deep-Sleep compatible MUX/I2C ports, Li-Po battery power option, SD card reader, and easier chain ability of multiple boards.

Size
46 × 46 mm
Copper layers
2
Thickness
1.6 mm
Parts
56
Nets
68
Pads
267
Tracks, vias
409, 94
Pours
2
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
13 May 2025
Updated
8 Mar 2026

Overview

Garden MUX is an open-source printed circuit board by Sunewst, from the Sunewst/garden-microcontroller repository on GitHub, published under the MIT licence. It is a 2-layer board of 46 × 46 mm with 56 parts on 68 nets, routed with 409 tracks and 94 vias.

It is built around the AP2112K-3.3, ESP32-C6-MINI-1 and TL6330AF200Q, with the AO3401A and S2B-PH-SM4-TB among its other parts. Its parts include 17 resistors, 13 capacitors, 10 switches, 4 ICs and 3 diodes. It belongs with the ESP32 and RISC-V boards of this library.

Main components

5

Parts

56
QtyValueFootprintReferences
8~Pico_Footprints:STEMMAQWIIC_FootprintS1, S2, S3, S4, S5, S6, S7, S8
647kResistor_SMD:R_0603_1608MetricR3, R5, R6, R7, R8, R9
510Capacitor_SMD:C_0603_1608MetricC9, C10, C11, C12, C13
54.7kResistor_SMD:R_0603_1608MetricR4, R13, R14, R15, R16
41.0 uFCapacitor_SMD:C_0603_1608MetricC1, C2, C3, C4
4MountingHoleMountingHole:MountingHole_2.5mmH1, H2, H3, H4
35.1kResistor_SMD:R_0603_1608MetricR1, R10, R11
20.1 uFCapacitor_SMD:C_0603_1608MetricC7, C8
21Capacitor_SMD:C_0603_1608MetricC5, C6
2100kResistor_SMD:R_0805_2012MetricR12, R17
2AP2112K-3.3Package_TO_SOT_SMD:SOT-23-5U3, U4
2LEDLED_SMD:LED_0603_1608MetricD1, D3
2TL6330AF200QPico_Footprints:SW_TL6330AF200Q_FootprintS9, S10
1100kResistor_SMD:R_0603_1608MetricR2
1AO3401APackage_TO_SOT_SMD:SOT-23Q1
1DDiode_SMD:D_0402_1005Metric_Pad0.77x0.64mm_HandSolderD2
1ESP32-C6-MINI-1Pico_Footprints:ESP32-C6-MINI-1U1
1MCP73832-2-OTPackage_TO_SOT_SMD:SOT-23-5U2
1S2B-PH-SM4-TBPico_Footprints:JST_S2B-PH-SM4-TBP1
1SDCARD_MODULEPico_Footprints:SDCARD_MODULE_FootprintJ2
1USB_C_Receptacle_USB2.0_16PConnector_USB:USB_C_Receptacle_G-Switch_GT-USB-7010ASVJ1
1~Pico_Footprints:TCA9548A_FootprintTCA9548A1

Questions

How big is the Garden MUX PCB?

It measures 46 × 46 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Garden MUX use?

56 parts, built around the AP2112K-3.3, ESP32-C6-MINI-1, TL6330AF200Q and AO3401A. 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 Garden MUX KiCad files?

From the Sunewst/garden-microcontroller repository on GitHub, at the commit this page was made from: the board is Garden-MUX/Garden-MUX.kicad_pcb and its schematic Garden-MUX/Garden-MUX.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Garden MUX design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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