HardLabs

Dragonfly v0 1

aravindjayan·DragonFly_FC·KiCad/Source/dragonfly_v0_1.kicad_pcb

Dragonfly v0 1 PCB layout, top view — open source RP2040/RP2350 board by aravindjayan

About the Dragonfly v0 1 PCB

Dragonfly v0 1 is an open source RP2040/RP2350 PCB design by aravindjayan, published on GitHub. It is a 2-layer board measuring 40 × 59.2 mm, with 76 components from 35 distinct parts.

Its main chip is the RP2350_60QFN, from the RP2040/RP2350 family. Other key parts include the SN74LVC1T45DBV, TLV773_SOT23-5, TPS56339/TPS54302, HMC5883L/QMC5883/MMC5983/IST8310 and LSM6DSO. By type, the board carries 41 capacitors, 14 resistors, 9 ICs, 4 diodes, 3 inductors and 2 connectors.

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

From the project

Flight Controller for flying things based on RP2350A MCU

DragonFly Flight Controller is an open hardware, low-cost flight controller PCB and experimentation platform for UAV, drone, and embedded systems prototyping. This cost-optimised design uses a two-layer PCB, a budget-conscious bill of materials (BOM), and readily fabricated manufacturing files. Prototype boards were fabricated using the LionCircuits MII service.

Dragonfly v0 1, from the project README
From the project README

Main components on the Dragonfly v0 1

SN74LVC1T45DBVTLV773_SOT23-5TPS56339/TPS54302HMC5883L/QMC5883/MMC5983/IST8310LSM6DSOLPS22HBBMP280RP2350_60QFNW25Q32JVUUIQ

Dragonfly v0 1 bill of materials (BOM)

76 components, 35 distinct parts.

QtyPartRefs
1
SN74LVC1T45DBV
U1
1
TLV773_SOT23-5
U2
1
TPS56339/TPS54302
U3
1
HMC5883L/QMC5883/MMC5983/IST8310
U4
1
LSM6DSO
U5
1
LPS22HB
U6
1
BMP280
U7
1
RP2350_60QFN
U8
1
W25Q32JVUUIQ
U9
1
YSX321SL-12Mhz-10pf
Y1
1
USB_C_Receptacle_USB2.0_16P
J1
1
Conn_02x08_Odd_Even
J6
2
SW_Push
SW1, SW2
1
1N5819WS_CUS10S30-SOD323
D1
1
LED-0805
D2
1
SMAJ26CA
D3
1
WS2812B-2020
D4
1
5.6uH / VLS6045EX-100M
L1
1
3.3u - LQM2MPN3R3NG0L
L2
1
1uH_1210
L3
Show 15 more
QtyPartRefs
8
10u_1210
C1, C2, C3, C8, C38, C39, C40, C41
1
22u_0603_10V
C4
6
1u_0402_25V
C5, C6, C12, C17, C21, C28
17
100n_0402
C7, C9, C10, C11, C14, C15, C18, C19 +9
1
220n_0402
C13
1
4.7u_0603
C16
2
4.7u_0402
C23, C29
2
4.7u_0402
C25, C26
2
15p_0402
C27, C32
1
220u/10V
C33
4
1K_0402
R1, R4, R12, R14
4
4.7k_0402
R2, R3, R9, R10
1
53.6K_0402
R5
1
10K_0402
R6
4
30R_0402
R7, R8, R11, R13

Dragonfly v0 1 design files

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

Dragonfly v0 1: common questions

What microcontroller does the Dragonfly v0 1 use?

The Dragonfly v0 1 is built around the RP2350_60QFN, from the RP2040/RP2350 family.

How big is the Dragonfly v0 1 PCB?

The Dragonfly v0 1 measures 40 × 59.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Dragonfly v0 1?

76 components, from 35 distinct parts. The full bill of materials is listed on this page.

Where can I download the Dragonfly v0 1 design files?

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

Can I use the Dragonfly v0 1 design in my own project?

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

Can I test firmware for the Dragonfly v0 1 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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