HardLabs

Esc1x

nikola825·drone·hardware/esc/esc1x/esc1x.kicad_pcb

Esc1x PCB layout, top view — open source STM32 board by nikola825
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About the Esc1x PCB

Esc1x is an open source STM32 PCB design by nikola825, published on GitHub under the MIT license. It is a 4-layer board measuring 22.8 × 19 mm, with 63 components from 21 distinct parts.

Its main chip is the STM32F051K8U6TR, from the STM32 family. Other key parts include the DRV8300DRGER, AP7381-33SA-7, INA180B1IDBVR and AP7381-50SA-7. By type, the board carries 24 capacitors, 21 resistors, 7 connectors, 6 transistors and 5 ICs.

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

From the project

Hobby home-made fpv quadcopter

This folder contains PCBs for a 1x and a 4x ESC. Mostly inspired by the AM32 reference hardware

AM32REF_F051 target can be flashed using standard AM32 flashing process.

The boards are supposed to be soldered together using the castellated edges on the logic board and pads on the power board.

It has no high power requirements. Can be fabricated as a cheaper 1 Oz/ft^2 thickness PCB

Main components on the Esc1x

STM32F051K8U6TRDRV8300DRGERAP7381-33SA-7INA180B1IDBVRAP7381-50SA-7

Esc1x bill of materials (BOM)

63 components, 21 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
STM32F051K8U6TR
STM32F051K8Ux
STMicroelectronics
U1
1
DRV8300DRGER
DRV8300DRGE
Texas instruments
U2
1
AP7381-33SA-7
Diodes incorporated
U3
1
INA180B1IDBVR
INA180B1
Texas instruments
U4
1
AP7381-50SA-7
Diodes incorporated
U6
6
SQS140ELNW-T1_GE3
Vishay
Q1, Q2, Q3, Q4, Q5, Q6
4
Conn_01x01_Pin
J1, J2, J3, J4
2
Conn_01x01_Pin
J5, J6
1
Conn_01x03_Pin
J10
7
C3216X5R1E476M160AC
47uF25V
TDK
C1, C2, C3, C4, C5, C6, C7
2
GCJ188R71E105KA01D
1uF25V
Murata
C8, C10
6
GRM033R61A105ME44D
1u
Murata
C9, C11, C18, C22, C23, C24
6
GRM033R61A104KE15D
100n
Murata
C12, C13, C14, C15, C17, C21
2
CL05A106MP5NUNC
10u
Samsung
C16, C20
1
GRM033R61C103KA12D
10n
Murata
C19
1
RC0402FR-7D100KL
100K
Yageo
R1
1
RC0402FR-7D10KL
10K
Yageo
R2
7
RC0201FR-0710KL
10K
Yageo
R3, R5, R6, R8, R9, R11, R20
5
RC0201FR-071KL
1K
Yageo
R4, R7, R10, R19, R21
6
RC0402FR-0720RL
20
Yageo
R12, R13, R14, R15, R16, R17
Show 1 more
QtyPartRefs
1
PU2512FKNP50R001L
0.001
Yageo
R23

Esc1x design files

The KiCad project lives in the nikola825/drone repository on GitHub; these links point at the commit this page was built from.

Esc1x: common questions

What microcontroller does the Esc1x use?

The Esc1x is built around the STM32F051K8U6TR, from the STM32 family.

How big is the Esc1x PCB?

The Esc1x measures 22.8 × 19 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Esc1x?

63 components, from 21 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 Esc1x design files?

From the nikola825/drone 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 Esc1x design in my own project?

Yes, under the terms of its MIT license, which nikola825 chose for the repository.

Can I test firmware for the Esc1x without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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