BoneIO - expansion module

boneIO-eu·Community-boards·Expansion Module WT32-ETH01/design/boneIO - expansion module.kicad_pcb

BoneIO - expansion module layout, top view — open source board by boneIO-eu

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About the BoneIO - expansion module

BoneIO - expansion module is an open source PCB design by boneIO-eu, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 86 × 74 mm, with 74 components from 32 distinct parts.

Other key parts include the 5V, CH340C, WT32-ETH01 and MAX3485E. By type, the board carries 31 resistors, 14 capacitors, 11 diodes, 7 connectors, 4 ICs and 2 transistors.

It belongs with the iot & wireless designs in this gallery.

From the project

BoneIO Community boards

This software script allows you to use the ESP32 + RS485 transceiver to interact with relay boards to boneIO.

It provides all known information via MQTT.

This allows you to integrate the device with Home Assistant.

You can find the configuration YAML files in the yaml folder.

2. RS485 TX - GPIO1 RX - GPIO3 Flow Control - GPIO4

4. WT32-ETH01 ESP32 controller right with Ethernet for MQTT communication

BoneIO - expansion module, from the project README — From the project README

Main components on the BoneIO - expansion module

5V CH340C WT32-ETH01 MAX3485E

BoneIO - expansion module bill of materials (BOM)

74 components, 32 distinct parts.

Qty	Part	Footprint	Refs
1	5V	SO-8_3.9x4.9mm_P1.27mm	U1
1	CH340C	SOIC-16_3.9x9.9mm_P1.27mm	U2
1	WT32-ETH01	WT32_ETH01	U3
1	MAX3485E	SOP-8_3.9x4.9mm_P1.27mm	U4
2	BC817-40	SOT-23	Q1, Q2
1	Screw_Terminal_01x07	PhoenixContact_MSTBA_2,5_7-G-5,08_1x07_P5.08mm_Horizontal	J1
2	Screw_Terminal_01x02	PhoenixContact_MSTBA_2,5_2-G-5,08_1x02_P5.08mm_Horizontal	J2, J7
1	GT-USB-7010AN	USB_C_Receptacle_HRO_TYPE-C-31-M-12	J3
1	Conn_02x04_Odd_Even	PinHeader_2x04_P2.54mm_Vertical	J4
1	ZWORKA	PinHeader_1x02_P2.54mm_Vertical	J5
1	Screw_Terminal_01x04	PhoenixContact_MSTBA_2,5_4-G-5,08_1x04_P5.08mm_Horizontal	J6
1	BSMD1206-100-24V	Fuse_1206_3216Metric	F1
1	6V 500mA	Fuse_1206_3216Metric	F2
2	LED_BLUE/L0603	LED_0603_1608Metric	LED1, LED2
1	SMBJ28CA	D_SMB	D1
6	P6SMB6.8A	D_SMB	D2, D3, D4, D5, D7, D8
2	SS34	D_SMA	D6, D9
1	LED_RED	LED_0603_1608Metric	D10
1	SM712/SOT23	SOT-23	D11
1	68uH	L_Bourns_SRN8040TA	L1

Show 12 more

Qty	Part	Footprint	Refs
1	100uF/50V	CP_Elec_8x10	C1
1	100n	C_0603_1608Metric	C2
11	100nF/C0603	C_0603_1608Metric	C3, C4, C5, C6, C7, C8, C9, C10 +3
1	10uF	C_1206_3216Metric	C12
11	10k/R0603	R_0603_1608Metric	R1, R2, R3, R4, R6, R7, R19, R20 +3
2	5.1k	R_0603_1608Metric	R5, R8
6	330R	R_0603_1608Metric	R9, R10, R11, R14, R15, R16
1	10R	R_0603_1608Metric	R12
1	100k	R_0603_1608Metric	R13
3	1.2k/R0603	R_0603_1608Metric	R17, R18, R21
6	4.7k/R0603	R_0603_1608Metric	R25, R26, R28, R29, R30, R31
1	120R/R0603	R_0603_1608Metric	R27

BoneIO - expansion module design files

The KiCad project lives in the boneIO-eu/Community-boards repository on GitHub; these links point at the commit this page was built from.

BoneIO - expansion module: common questions

How big is the BoneIO - expansion module?

The BoneIO - expansion module measures 86 × 74 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the BoneIO - expansion module?

74 components, from 32 distinct parts. The full bill of materials is listed on this page.

Where can I download the BoneIO - expansion module design files?

From the boneIO-eu/Community-boards repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the BoneIO - expansion module design in my own project?

Yes, under the terms of its GPL-3.0 license, which boneIO-eu chose for the repository.

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