HardLabs

Dual radio

AnyLeaf·elrs-hardware·kicad files/dual radio pcb.kicad_pcb

Dual radio PCB layout, top view — open source RP2040/RP2350 board by AnyLeaf
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About the Dual radio PCB

Dual radio is an open source RP2040/RP2350 PCB design by AnyLeaf, published on GitHub under the MIT license. It is a 4-layer board measuring 37.7 × 37.7 mm, with 50 components from 37 distinct parts.

Its main chip is the ESP32-PICO-V3, from the RP2040/RP2350 family. Other key parts include the C587158, SX1281, ESP8285, 2450FM07D0034T and AP2138N-2.8TRG1. By type, the board carries 27 capacitors, 9 ICs, 6 resistors, 3 connectors, 3 inductors and 1 crystal.

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

From the project

This repo contains open source hardware information for AnyLeaf ELRS receivers

This repo contains published hardware information for the AnyLeaf ELRS receivers. It contains schematics, KiCad schematic and PCB layout files, and production files (Gerbers, drill files, bill of materials (BOM), and pick+place files). If you have any questions or concerns, please post a Github issue here, or contact us at anyleaf@anyleaf.org.

Images of the schematics are provided as PNG files in the main repo; this is the easiest way to view the schematics.

Main components on the Dual radio

C587158SX1281ESP82852450FM07D0034TESP32-PICO-V3AP2138N-2.8TRG1RFX2401C

Dual radio bill of materials (BOM)

50 components, 37 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
C587158
3V3. 500mA
U1
1
SX1281
U2
1
ESP8285
SX1281
U3
1
2450FM07D0034T
RFX2401C
U4
1
ESP32-PICO-V3
U7
2
2450FM07D0034T
U9, U10
1
AP2138N-2.8TRG1
U11
1
RFX2401C
U13
1
52Mhz TCXO
Y3
2
C88374
Conn_Coaxial
J1, J8
1
CONN_01X04_MALE
Conn_01x04_Male
J7
1
WS2812B
D1
1
15U
15u
L1
2
3n
L2, L3
3
1u
C1, C24, C25
1
2.2U
2.2u
C2
2
10N
10n
C3, C5
1
C47339
470n, 10V
C4
3
100N
100n
C6, C7, C18
1
10P
100n
C8
Show 17 more
QtyPartRefs
1
10P
10u
C9
1
C52923
1u 25v
C10
1
100N
10n
C11
1
10U
470n, 10V
C12
1
C52923
10n
C13
3
1.2P
100n
C14, C15, C16
1
10P
10p
C17
1
10P
1.2p
C19
1
1.2P
10p
C20
1
100n
C21
3
1.2p
C22, C26, C27
1
1n
C23
1
100K
10k
R1
1
10K
10k
R2
1
2.2K
100k
R3
1
1.2K
100k
R4
2
10K
100k
R7, R8

Dual radio design files

The KiCad project lives in the AnyLeaf/elrs-hardware repository on GitHub; these links point at the commit this page was built from.

Dual radio: common questions

What microcontroller does the Dual radio use?

The Dual radio is built around the ESP32-PICO-V3, from the RP2040/RP2350 family.

How big is the Dual radio PCB?

The Dual radio measures 37.7 × 37.7 mm, has 4 copper layers and is 4.69 mm thick.

How many components are on the Dual radio?

50 components, from 37 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 Dual radio design files?

From the AnyLeaf/elrs-hardware repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Dual radio design in my own project?

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

Can I test firmware for the Dual radio 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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