Heartrate-DevKit-HW

ZSWatch·Heartrate-DevKit-HW·devkit/ZSWatch-Heartrate-DevKit.kicad_pcb

Heartrate-DevKit-HW PCB layout, top view — open source board by ZSWatch

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About the Heartrate-DevKit-HW PCB

Heartrate-DevKit-HW is an open source PCB design by ZSWatch, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 45 × 36.9 mm, with 48 components from 33 distinct parts.

Other key parts include the MIC5365-1.8, TPS61240, MCP73832-2-OT, MAX32664 and MAX86141. By type, the board carries 17 capacitors, 10 resistors, 6 ICs, 4 crystals, 3 diodes and 2 connectors.

It belongs with the wearables and sensors designs in this gallery.

From the project

The hardware repo for the ZSWatch heartrate sensor development kit.

. ├─ Computations # Misc calculations ├─ HTML # HTML files for generated webpage ├─ Images # Pictures and renders │ ├─ kibotresources # External resources for KiBot │ ├─ colors # Color theme for KiCad │ ├─ fonts # Fonts used in the project │ ├─ scripts # External scripts used with KiBot │ └─ templates # Templates for KiBot generated reports │ ├─ kibotyaml # KiBot YAML config files ├─ KiRI # KiRI (PCB diff viewer) files │ ├─ lib # KiCad footprint and symbol libraries │ ├─ 3dmodels # Component 3D models │ ├─ libfp # Footprint libraries │ └─ lib_sym # Symbol libraries │ ├─ Logos # Logos │ ├─…

Heartrate-DevKit-HW, from the project README — From the project README

Main components on the Heartrate-DevKit-HW

MIC5365-1.8 TPS61240 MCP73832-2-OT MAX32664 MAX86141 LIS2DS12

Heartrate-DevKit-HW bill of materials (BOM)

48 components, 33 distinct parts — part numbers from the project's BOM.

Qty	Part	Footprint	Refs
1	MIC5365-1.8	SOT-23-5	IC401
1	TPS61240	DSBGA-6_0.886x1.288mm_2x3_P0.4mm	IC402
1	MCP73832-2-OT	SOT-23-5	IC403
1	MAX32664	MAX32664GTG	IC404
1	MAX86141	THIN-WLP-20_2.228x1.967mm_P0.4mm	IC405
1	LIS2DS12	LGA-12_2x2mm_P0.5mm	IC406
1	BM15C	BM15C	M401
1	BSS138	SOT-23	Q401
1	CHARGE	USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal	X401
1	BATTERY	78171-0002	X402
1	DEBUG	PinHeader_2x05_P1.27mm_Vertical	X403
1	32KHZ 32kHz	ECS_ECX-1210	Y401
1	I2C	PinHeader_1x04_P2.54mm_Vertical	J401
1	SPI	PinHeader_1x07_P2.54mm_Vertical	J402
1	RESET	WS-TASV-6x6	SW401
1	BTN1	WS-TASV-6x6	SW402
1	SFH7016	SFH7016	LED401
1	STATUS	LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder	D401
2	VEMD8082	VEMD808x	D402, D403
1	1u	L_0603_1608Metric	L401

Show 13 more

Qty	Part	Footprint	Refs
1	2U2 2u2	C_0603_1608Metric	C401
2	1u	C_0603_1608Metric	C402, C404
3	4U7 4u7	C_0603_1608Metric	C403, C405, C407
4	100N 100n	C_0402_1005Metric	C406, C414, C415, C416
4	1u	C_0402_1005Metric	C408, C409, C410, C413
2	10U 10u	C_0402_1005Metric	C411, C412
1	22U 22u	C_0402_1005Metric	C417
1	220R	R_0402_1005Metric	R401
4	10K 10k	R_0402_1005Metric	R402, R406, R407, R408
1	0R	R_0805_2012Metric	R403
2	5K1 5k1	R_0402_1005Metric	R404, R405
1	4K7 4k7	R_0402_1005Metric	R409
1	~	R_0402_1005Metric	R410

Heartrate-DevKit-HW design files

The KiCad project lives in the ZSWatch/Heartrate-DevKit-HW repository on GitHub; these links point at the commit this page was built from.

Heartrate-DevKit-HW: common questions

How big is the Heartrate-DevKit-HW PCB?

The Heartrate-DevKit-HW measures 45 × 36.9 mm, has 4 copper layers and is 0.982 mm thick.

How many components are on the Heartrate-DevKit-HW?

48 components, from 33 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Heartrate-DevKit-HW design files?

From the ZSWatch/Heartrate-DevKit-HW repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Heartrate-DevKit-HW design in my own project?

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

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