

GiantKnob
USB-Midi-Controller for SDR Radios
- Size
- 100 × 70 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 109
- Nets
- 115
- Pads
- 389
- Tracks, vias
- 594, 53
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 16 Sep 2019
- Updated
- 23 Sep 2019
Overview
GiantKnob is an open-source printed circuit board by mathisschmieder, from the mathisschmieder/GiantKnob repository on GitHub. It is a 2-layer board of 100 × 70 mm with 109 parts on 115 nets, routed with 594 tracks and 53 vias.
It is built around the ATMEGA32U4-AU, GL850G and 74HC14, with the SY6280AAC, TPD2E2U06DRL and MH2029-300Y among its other parts. Its parts include 43 capacitors, 32 resistors, 7 switches, 6 ICs and 6 connectors. It belongs with the radio and wireless boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
7ATMEGA32U4-AU
QFP-44(10x10)-40℃~+85℃ 10bit 16MHz 1KB 2.5KB 2.7V~5.5V 26 32KB 8 Bit AVR Built-in FLASH QFP-44(10x10) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)GL850G
SSOP-28SSOP-28-208mil USB Converters ROHSGenesys LogicUSB Converters74HC14
SOP-14-40℃~+85℃ 1.9V、3.98V、4.4V、5.48V、5.9V 100mV、260mV、260mV 20uA 25ns@4.5V,50pF 2V~6V 6 74HC Noise suppression function Schmitt trigger SOP-14 Inverters ROHSJSMSEMIInvertersSY6280AAC
SOT-23-5-40℃~+125℃ 1 2.4V~5.5V 80mΩ Active High High Side Switch Overcurrent Protection(OCP)、Over Temperature Protection SOT-23-5 Power Distribution Switches ROHS矽力杰silergyPower Distribution SwitchesTPD2E2U06DRL
SOT-553-5-40℃~+125℃ 1.5pF 10nA 12.4V 2 5.5A@8/20us 5.5V 6.5V 85W@8/20us ESD IEC 61000-4-2、IEC 61000-4-5 SOT-553-5 ESD and Surge Protection (TVS/ESD) ROHSTexas InstrumentsESD And Surge Protection (TVS/ESD)MH2029-300Y
0805-55℃~+125℃ 1 30Ω@100MHz 3A 3mΩ ±25% 0805 Ferrite Beads ROHSBournsFerrite BeadsCD1206-S01575
1206-55℃~+125℃ 150mA 1V@50mA 2.5uA@75V 400mW 4A 4ns 75V Standalone 1206 Switching Diodes ROHSBournsSwitching Diodes
README
README.mdGiantKnob
USB-Midi-Controller for SDR Radios
Parts
109| Qty | Value | Footprint | References |
|---|---|---|---|
| 15 | 10k | Resistor_SMD:R_0603_1608Metric | R2, R3, R4, R5, R6, R8, R9, R10, R14, R15, R16, R17, R24, R26, R27 |
| 12 | 100n | Capacitor_SMD:C_0603_1608Metric | C1, C2, C12, C18, C21, C23, C24, C25, C26, C34, C35, C36 |
| 6 | 47n | Capacitor_SMD:C_0603_1608Metric | C4, C5, C10, C11, C15, C16 |
| 6 | 4u7 | Capacitor_SMD:C_0603_1608Metric | C20, C30, C31, C33, C40, C41 |
| 4 | 1p | Capacitor_SMD:C_0603_1608Metric | C3, C6, C9, C14 |
| 4 | 1u | Capacitor_SMD:C_0603_1608Metric | C13, C17, C32, C39 |
| 4 | 22 | Resistor_SMD:R_0603_1608Metric | R11, R12, R30, R31 |
| 4 | 22p | Capacitor_SMD:C_0603_1608Metric | C7, C8, C42, C43 |
| 4 | MH2029-300Y | Inductor_SMD:L_0805_2012Metric | FB1, FB2, FB3, FB4 |
| 2 | 10u | Capacitor_SMD:C_0603_1608Metric | C22, C27 |
| 2 | 12 MHz | Crystal:Crystal_SMD_5032-2Pin_5.0x3.2mm | Y2, Y3 |
| 2 | 1M | Resistor_SMD:R_0603_1608Metric | R22, R34 |
| 2 | 1k | Resistor_SMD:R_0603_1608Metric | R1, R18 |
| 2 | 33p | Capacitor_SMD:C_0603_1608Metric | C28, C29 |
| 2 | 470u/6.3V | Capacitor_Tantalum_SMD:CP_EIA-7343-31_Kemet-D | C37, C38 |
| 2 | 47k | Resistor_SMD:R_0603_1608Metric | R25, R28 |
| 1 | 100 | Resistor_SMD:R_0603_1608Metric | R19 |
| 1 | 16 MHz | Crystal:Crystal_SMD_5032-2Pin_5.0x3.2mm | Y1 |
| 1 | 1k2 | Resistor_SMD:R_0603_1608Metric | R33 |
| 1 | 1k5 | Resistor_SMD:R_0603_1608Metric | R29 |
| 1 | 22u | Capacitor_Tantalum_SMD:CP_EIA-3216-18_Kemet-A | C19 |
| 1 | 2k2 | Resistor_SMD:R_0603_1608Metric | R32 |
| 1 | 4k7 | Resistor_SMD:R_0603_1608Metric | R20 |
| 1 | 5V1 | Diode_SMD:D_SOD-123 | D6 |
| 1 | 5k1 | Resistor_SMD:R_0603_1608Metric | R23 |
| 1 | 680 | Resistor_SMD:R_0603_1608Metric | R21 |
| 1 | 74HC14 | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U1 |
| 1 | ATmega32U4-AU | Package_QFP:TQFP-44_10x10mm_P0.8mm | U2 |
| 1 | BTN1 | GiantKnob:K2-1103SP | SW3 |
| 1 | BTN2 | GiantKnob:K2-1103SP | SW5 |
| 1 | BTN3 | GiantKnob:K2-1103SP | SW6 |
| 1 | CD1206-S01575 | Diode_SMD:D_1206_3216Metric | D2 |
| 1 | CM108 | Package_QFP:LQFP-48_7x7mm_P0.5mm | U8 |
| 1 | ENC1 | Rotary_Encoder:RotaryEncoder_Alps_EC12E_Vertical_H20mm | SW4 |
| 1 | ENC2 | Rotary_Encoder:RotaryEncoder_Alps_EC12E_Vertical_H20mm | SW7 |
| 1 | GL850G | Package_SO:SSOP-28_5.3x10.2mm_P0.65mm | U7 |
| 1 | Headphones | GiantKnob:PJ-320B | J4 |
| 1 | ICSP | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical_SMD | J1 |
| 1 | Mic | GiantKnob:PJ-320B | J5 |
| 1 | ON | LED_SMD:LED_0805_2012Metric | D1 |
| 1 | PTT | GiantKnob:PJ-320B | J6 |
| 1 | PTT_LED | LED_SMD:LED_0805_2012Metric | D5 |
| 1 | PTT_Select | Connector_PinHeader_2.54mm:PinHeader_2x02_P2.54mm_Vertical_SMD | J2 |
| 1 | Reset | Button_Switch_SMD:SW_SPST_PTS645 | SW1 |
| 1 | SY6280 | Package_TO_SOT_SMD:SOT-23-5 | U5 |
| 1 | TPD2E2U06 | Package_TO_SOT_SMD:SOT-553 | U6 |
| 1 | USB_B | Connector_USB:USB_Mini-B_Lumberg_2486_01_Horizontal | J3 |
| 1 | VFO | Rotary_Encoder:RotaryEncoder_Alps_EC12E-Switch_Vertical_H20mm | SW2 |
The 105 most common of 109 parts.
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Questions
How big is the GiantKnob PCB?
It measures 100 × 70 mm and has 2 copper layers, 1.6 mm thick.
What parts does the GiantKnob use?
109 parts, built around the ATMEGA32U4-AU, GL850G, 74HC14 and SY6280AAC. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the GiantKnob KiCad files?
From the mathisschmieder/GiantKnob repository on GitHub, at the commit this page was made from: the board is GiantKnob.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the GiantKnob design in my own project?
Its repository states no licence, so its author keeps all rights: ask mathisschmieder before reusing the design.