HardLabs

Knobble

mihranrazaa·Knobble·PCB/BetterNat.kicad_pcb

Knobble PCB layout, top view — open source Raspberry Pi board by mihranrazaa

About the Knobble PCB

Knobble is an open source Raspberry Pi PCB design by mihranrazaa, published on GitHub under the MIT license. It is a 2-layer board measuring 66.7 × 88.1 mm, with 7 components from 5 distinct parts.

Its main chip is the RASPBERRY_PI_ZERO_2_W, from the Raspberry Pi family. Other key parts include the KY-040. By type, the board carries 3 switches, 2 ICs and 1 LED.

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

From the project

A modern design for not so common radios

Knobble is a Rasberry pi based portable Radio scanning system design for real time monitoring and interacting with different radio frequncies via an RTL-SDR dongle. It can help you to listen through FM, aviation, emergency, amateur, and public service frequencies.

- Runs on Rasberry PI zero 2 W. - Multi-band scanning across FM, aviation, emergency, amateur, and police frequencies - Preset system with multiple frequency banks and persistent storage. - Automatic and manual scan modes - Better shutdown process - Oled Display for sharing all the relevant live info. - and a cool CAD Design for…

Knobble, from the project README
From the project README

Main components on the Knobble

KY-040RASPBERRY_PI_ZERO_2_W

Knobble bill of materials (BOM)

7 components, 5 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
KY-040
U1
1
RASPBERRY_PI_ZERO_2_W
U2
1
~
1
3
1825910-6
SW2, SW3, SW4
1
OLED_128X64_1.3_I2C
DS1

Knobble design files

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

Knobble: common questions

What microcontroller does the Knobble use?

The Knobble is built around the RASPBERRY_PI_ZERO_2_W, from the Raspberry Pi family.

How big is the Knobble PCB?

The Knobble measures 66.7 × 88.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Knobble?

7 components, from 5 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 Knobble design files?

From the mihranrazaa/Knobble 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 Knobble design in my own project?

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

Can I test firmware for the Knobble without the hardware?

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

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