HardLabs

Rf remote

candykingdom·firefly2·hardware/remote/rf_remote.kicad_pcb

Rf remote PCB layout, top view — open source STM32 board by candykingdom

About the Rf remote PCB

Rf remote is an open source STM32 PCB design by candykingdom, published on GitHub. It is a 2-layer board measuring 57.3 × 26.5 mm, with 12 components from 9 distinct parts.

Its main chip is the STM32G070KBTX, from the STM32 family. Other key parts include the RFM69HCW. By type, the board carries 4 switches, 2 ICs, 2 capacitors, 1 connector, 1 battery holder and 1 diode.

From the project

Small blinkenlight boards that sync up using radios

Main components on the Rf remote

STM32G070KBTXRFM69HCW

Rf remote bill of materials (BOM)

12 components, 9 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
STM32G070KBTX
SAMD21E18
U1
1
RFM69HCW
RFM69CW-915MHZ
U2
1
10118194-0001LF
J1
1
3V battery
BT1
4
MOMENTARY-SWITCH-6x6x4.5mm
S1, S2, S3, S4
1
ESD5Z5.0
LED
D1
1
100NF
1.0UF-0603-16V-10%
C1
1
100NF
10UF-0603-6.3V-20%
C2
1
4K7
1k
R1

Rf remote design files

The KiCad project lives in the candykingdom/firefly2 repository on GitHub; these links point at the commit this page was built from.

Rf remote: common questions

What microcontroller does the Rf remote use?

The Rf remote is built around the STM32G070KBTX, from the STM32 family.

How big is the Rf remote PCB?

The Rf remote measures 57.3 × 26.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Rf remote?

12 components, from 9 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 Rf remote design files?

From the candykingdom/firefly2 repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Rf remote design in my own project?

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

Can I test firmware for the Rf remote 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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