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Cheddar

tperale·cheddar·schematics/cheddar.kicad_pcb

Cheddar PCB layout, top view — open source board by tperale
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About the Cheddar PCB

Cheddar is an open source PCB design by tperale, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 43 × 26 mm, with 23 components from 16 distinct parts.

Other key parts include the CH340G, MCP73831 and HT7333. By type, the board carries 9 capacitors, 7 resistors, 3 ICs, 1 transistor, 1 crystal and 1 connector.

It belongs with the rf & radio designs in this gallery.

From the project

:satellite: A ESP8266 connected button like the Amazon Dash but programmable

Main components on the Cheddar

CH340GMCP73831HT7333

Cheddar bill of materials (BOM)

23 components, 16 distinct parts.

QtyPartRefs
1
CH340G
U1
1
MCP73831
U2
1
HT7333
U4
1
MOSFET_PCH
Q1
1
12Mhz
Y1
1
USB_OTG
J1
1
GREEN
D1
2
100nF
C1, C6
1
10nF
C2
1
22nF
C3
2
22pF
C4, C5
1
1uF
C7
2
220uF
C8, C9
5
10k
R1, R2, R5, R6, R7
1
470
R3
1
100k
R4

Cheddar design files

The KiCad project lives in the tperale/cheddar repository on GitHub; these links point at the commit this page was built from.

Cheddar: common questions

How big is the Cheddar PCB?

The Cheddar measures 43 × 26 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Cheddar?

23 components, from 16 distinct parts. The full bill of materials is listed on this page.

Where can I download the Cheddar design files?

From the tperale/cheddar repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Cheddar design in my own project?

Yes, under the terms of its CC-BY-SA-4.0 license, which tperale chose for the repository.

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