HardLabs

Scarab ESC+RX

MarkR42·malenki-nano·hardware/scarab/scarab.kicad_pcb

Scarab ESC+RX PCB layout, top view — open source AVR/Arduino board by MarkR42

About the Scarab ESC+RX PCB

Scarab ESC+RX is an open source AVR/Arduino PCB design by MarkR42, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 25 × 40 mm, with 51 components from 29 distinct parts.

Its main chip is the ATtiny1616-MNR, from the AVR/Arduino family. Other key parts include the A71X05AQFI/Q, AP2205-33Y-13 and DRV8243HQRXYRQ1. By type, the board carries 22 capacitors, 14 resistors, 5 ICs, 4 connectors, 3 inductors and 2 diodes.

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

From the project

Speed controller and receiver for small robots

Production hardware is in malenki-nanoi/

Main components on the Scarab ESC+RX

A71X05AQFI/QAP2205-33Y-13ATtiny1616-MNRDRV8243HQRXYRQ1

Scarab ESC+RX bill of materials (BOM)

51 components, 29 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
A71X05AQFI/Q
A7105
AMICCOM
U1
1
AP2205-33Y-13
Diodes
U2
1
ATtiny1616-MNR
ATTiny1616-MNR
MICROCHIP
U3
2
DRV8243HQRXYRQ1
TI
U4, U5
1
Q24FA20H0051200
16mhz Seiko Epson Q24FA20H0051200
Seiko Epson
Y1
1
Conn_01x02_Male-Connector
J1
1
Conn_01x08_Male
J2
2
Conn_01x02_Male-Connector
J4, J5
1
19-217/BHC-ZL1M2RY/3T
LED Blue
Everlight
D1
1
KT-0603R
LED Red
Hubei KENTO
D2
1
2.7NH
2.7nH
Sunlord
L1
1
LQW15AN4N7D10D
4.7nH
Murata
L2
1
VHF160808H4N7ST
4.7nH
Murata
L3
4
CL31A226KAHNNNE
22uF 25V
Samsung Electro-Mechanics
C1, C5, C6, C7
2
1uF 25V
Samsung
C2, C3
7
100NF
100nF
Samsung
C4, C12, C13, C16, C17, C22, C23
1
CL31A226KAHNNNE
1pF
Guangdong Fenghua Advanced
C9
1
CL31A226KAHNNNE
22pF
Guangdong Fenghua Advanced
C10
3
CL05C100JB5NNNC
10pF
Samsung
C11, C14, C15
1
CL05C561JB5NNNC
560pF
Samsung
C18
Show 9 more
QtyPartRefs
1
CL05B103KB5NNNC
10nF
Samsung
C19
2
CL05A225MQ5NSNC
2.2uF
Samsung
C20, C21
3
470R
Uniroyal
R1, R5, R6
3
1k
Uniroyal
R2, R9, R10
1
100K
100k
R3
3
10K
10k
Uniroyal
R4, R7, R8
2
DNP
R11, R12
1
47R
Uniroyal
R14
1
0402WGF2000TCE
200R
Uniroyal
R25

Scarab ESC+RX design files

The KiCad project lives in the MarkR42/malenki-nano repository on GitHub; these links point at the commit this page was built from.

Scarab ESC+RX: common questions

What microcontroller does the Scarab ESC+RX use?

The Scarab ESC+RX is built around the ATtiny1616-MNR, from the AVR/Arduino family.

How big is the Scarab ESC+RX PCB?

The Scarab ESC+RX measures 25 × 40 mm, has 4 copper layers and is 1.59 mm thick.

How many components are on the Scarab ESC+RX?

51 components, from 29 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 Scarab ESC+RX design files?

From the MarkR42/malenki-nano 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 Scarab ESC+RX design in my own project?

Yes, under the terms of its GPL-3.0 license, which MarkR42 chose for the repository.

Can I test firmware for the Scarab ESC+RX without the hardware?

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

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