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Caesar

luhbots·luhsoccer_electronics·Caesar/CaesarV2.kicad_pcb

Caesar PCB layout, top view — open source Microchip SAM board by luhbots
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About the Caesar PCB

Caesar is an open source Microchip SAM PCB design by luhbots, published on GitHub. It is a 4-layer board measuring 103.5 × 85 mm, with 108 components from 41 distinct parts.

Its main chip is the ATSAM4E8C, from the Microchip SAM family. Other key parts include the SX1280, SKY66112, LAN8741A-EN and LDL1117S33R. By type, the board carries 58 capacitors, 16 LEDs, 13 resistors, 5 ICs, 4 connectors and 3 crystals.

It belongs with the robotics & motion designs in this gallery.

From the project

The eletronics projects of our robots and basestation.

Main components on the Caesar

ATSAM4E8CSX1280SKY66112LAN8741A-ENLDL1117S33R

Caesar bill of materials (BOM)

108 components, 41 distinct parts.

QtyPartRefs
1
ATSAM4E8C
U101
1
SX1280
U201
1
SKY66112
U202
1
LAN8741A-EN
U301
1
LDL1117S33R
U401
1
LFXTAL035264REEL
Y101
1
52.0MHz EXS00A-CS07103
Y201
1
25.000MHz
Y301
1
Conn_ARM_JTAG_SWD_10
J101
1
RJ45_Amphenol_RJMG1BD3B8K1ANR
J301
1
USB_C_Receptacle_USB2.0
J401
1
Raspberry_Pi_2_3
J402
2
Antenna_Shield
AE201, AE202
1
SW_Push
SW101
16
SK6812
LED501, LED502, LED503, LED504, LED505, LED506, LED507, LED508 +8
2
D
D401, D402
1
LED_GREEN
D403
1
15u
L201
1
3n
L202
1
2n5
L203
Show 21 more
QtyPartRefs
37
100n
C101, C102, C103, C104, C105, C106, C107, C108 +29
2
9p
C112, C113
2
10n
C203, C206
1
470n
C204
1
0p8
C205
2
1p2
C207, C209
1
0p5
C208
1
100p
C210
3
1n
C213, C214, C216
1
22n
C301
4
1u
C304, C306, C401, C404
1
470p
C305
2
30p
C308, C309
2
270R
R301, R302
4
49R9
R303, R304, R305, R306
1
12k1
R307
1
10k
R308
1
47k
R401
2
27R
R402, R403
1
27k
R404
1
680R
R405

Caesar design files

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

Caesar: common questions

What microcontroller does the Caesar use?

The Caesar is built around the ATSAM4E8C, from the Microchip SAM family.

How big is the Caesar PCB?

The Caesar measures 103.5 × 85 mm, has 4 copper layers and is 1.6116 mm thick.

How many components are on the Caesar?

108 components, from 41 distinct parts. The full bill of materials is listed on this page.

Where can I download the Caesar design files?

From the luhbots/luhsoccer_electronics repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Caesar design in my own project?

The repository has no license, so all rights stay with luhbots. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Caesar without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Microchip SAM firmware against it before you order a PCB.

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