HardLabs

Heart badge

polaracep·soldering-kits·heart-badge/heart-badge.kicad_pcb

Heart badge PCB layout, top view — open source board by polaracep

About the Heart badge PCB

Heart badge is an open source PCB design by polaracep, published on GitHub under the AGPL-3.0 license. It is a 2-layer board measuring 37 × 32.6 mm, with 18 components from 4 distinct parts.

By type, the board carries 15 diodes, 1 battery holder, 1 switch and 1 resistor.

It belongs with the wearables designs in this gallery.

From the project

A collection of easy-to-solder boards for learning soldering

15 LEDs wired in parallel with a DPDT switch. DPDT switch was used because they're pretty easy to solder, unlike common SMD SPST/SPDT switches. The resistor I chose is 200R, which is not enough to be bright on daylight, but sufficient in a normal rooms.

Heart badge, from the project README
From the project README

Heart badge bill of materials (BOM)

18 components, 4 distinct parts.

QtyPartRefs
1
Battery_Cell
BT1
1
MST22D18G2
SW1
15
LED
D1, D2, D3, D4, D5, D6, D7, D8 +7
1
200R
R1

Heart badge design files

The KiCad project lives in the polaracep/soldering-kits repository on GitHub; these links point at the commit this page was built from.

Heart badge: common questions

How big is the Heart badge PCB?

The Heart badge measures 37 × 32.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Heart badge?

18 components, from 4 distinct parts. The full bill of materials is listed on this page.

Where can I download the Heart badge design files?

From the polaracep/soldering-kits repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Heart badge design in my own project?

Yes, under the terms of its AGPL-3.0 license, which polaracep chose for the repository.

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