2 layers21 × 50 mm
Atmega32u4 dev board
Coolbots7/development-boards
Collection of PCBs for testing core designs.
39 parts1
2 layers47.8 × 61.3 mm
One button
JayAgra/button- Size
- 47.8 × 61.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 57
- Nets
- 62
- Pads
- 190
- Tracks, vias
- 434, 43
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 5 Dec 2023
- Updated
- 3 Jan 2024
Overview
One button is an open-source printed circuit board by JayAgra, from the JayAgra/button repository on GitHub, published under the MIT licence. It is a 2-layer board of 47.8 × 61.3 mm with 57 parts on 62 nets, routed with 434 tracks and 43 vias.
It is built around the ATMEGA32U4-AU, 1SS400T1G and MIC5219-5.0YM5-TR, with the WS2812B, DX07S016JA1R1500 and ECS-160-10-36-CKM-TR3 among its other parts. Its parts include 15 capacitors, 9 diodes, 7 resistors, 3 ICs and 3 connectors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
10
ATMEGA32U4-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)
1SS400T1G
SOD-523-55℃~+150℃ 1.2V@100mA 100mA 100nA@80V 150mW 4ns 80V SOD-523 Switching Diodes ROHSTECH PUBLICSwitching Diodes
MIC5219-5.0YM5-TR
SOT-23-5-40℃~+125℃@(Tj) 1 12V 3uA 500mA 5V 600mV@(500mA) 75dB@(120Hz) Fixed Over Current Protection、Thermal shutdown、Enable control、Reverse polarity voltage protection、Noise bypass terminal Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSMicrochip TechnologyVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
WS2812B
5mm X 5mm Surface Mount RGB LED with Intelligent ControlWorldsemiUncategorised
DX07S016JA1R1500
SMD-40℃~+85℃ 1 250mA、1.25A 48V Black Female Type-C USB 2.0 SMD USB Connectors ROHSJAE ElectronicsUSB Connectors
ECS-160-10-36-CKM-TR3
SMD2520-4P-20℃~+70℃ 10pF 16MHz 80Ω ±10ppm ±10ppm SMD2520-4P Crystals ROHSECSCrystals
LTST-C191KSKT
0603-55℃~+85℃ 104mcd 130° 2.1V 20mA 584.5nm~597nm 588nm 75mW Discrete Diode Water Clear Yellow 0603 LED Indication - Discrete ROHSLite-OnLED Indication - Discrete
MF-USMF050-2
1210-40℃~+85℃ 13.2V 180mΩ 2.5mm 3.2mm 40A 600mW 900mΩ 1210 Resettable Fuses ROHSBournsResettable Fuses
R-667843
-1,000,000 cycles 1.94N 12V 50mA Round Button SMD(SMT) Tab SPST Surface Mount,Vertical - Tactile Switches ROHSMitsumi ElectricTactile Switches
RB550VM-30TE-17
SOD-323FL30V 35uA@30V 500mA 590mV@500mA SOD-323FL Schottky Diodes ROHSROHM SemiconductorSchottky Diodes
Parts
57| Qty | Value | Footprint | References |
|---|---|---|---|
| 11 | , , , , , , , , , , | ||
| 8 | 100nf | Capacitor_SMD:C_0805_2012Metric | C4, C9, C10, C11, C12, C13, C14, C15 |
| 8 | WS2812B | LED_SMD:LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | D1, D2, D3, D4, D5, D6, D7, D8 |
| 4 | clipboard:4f5b61f9-1e4c-4a2e-b6b5-7684ae1e77c1 | , , , | |
| 3 | 1uf | Capacitor_SMD:C_0805_2012Metric | C2, C5, C8 |
| 2 | 10uf | Capacitor_Tantalum_SMD:CP_EIA-3528-15_AVX-H_Pad1.50x2.35mm_HandSolder | C6, C7 |
| 2 | 22 | Resistor_SMD:R_0805_2012Metric | R1, R2 |
| 2 | 22pf | Capacitor_SMD:C_0805_2012Metric | C1, C3 |
| 2 | 5.1k | Resistor_SMD:R_0805_2012Metric | R7, R8 |
| 1 | 10k | Resistor_SMD:R_0805_2012Metric | R3 |
| 1 | 1SS400T1G | Diode_SMD:D_SOD-523 | U3 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric | R6 |
| 1 | 330 | Resistor_SMD:R_0805_2012Metric | R9 |
| 1 | ATmega32U4-A | Package_QFP:TQFP-44_10x10mm_P0.8mm | U1 |
| 1 | Conn_01x02 | keyswitches:Kailh_socket_MX | J2 |
| 1 | Conn_01x06 | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J3 |
| 1 | DX07S016JA1R1500 | DX07S016JA1R1500:JAE_DX07S016JA1R1500 | J1 |
| 1 | ECS-160-10-36-CKM-TR3 | ECS-160-10-36-CKM-TR3:XTAL_ECS-160-10-36-CKM-TR3 | Y1 |
| 1 | LOGO | LOGO | G*** |
| 1 | LTST-C191KSKT | footprints:LED_LTST-C191KRKT_LTO | LED3 |
| 1 | MF-USMF050-2 | MF_USMF050_2:FUSER_MF-USMF050-2 | F1 |
| 1 | MIC5219-5.0YM5 | Package_TO_SOT_SMD:SOT-23-5 | U2 |
| 1 | R-667843 | R_667843:R-667843_MIT | SW1 |
| 1 | RB550VM-30TE-17 | 2023-12-05_05-52-42:SDO_RB550VM-30TE-17_ROM | CR1 |
Questions
How big is the One button PCB?
It measures 47.8 × 61.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the One button use?
57 parts, built around the ATMEGA32U4-AU, 1SS400T1G, MIC5219-5.0YM5-TR and WS2812B. 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 One button KiCad files?
From the JayAgra/button repository on GitHub, at the commit this page was made from: the board is pcb/one_button.kicad_pcb and its schematic pcb/one_button.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the One button design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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