6 layers36 × 36 mm
2 layers40.2 × 51.1 mm
SnT Badge
gamblor21/SnT-Badge2A PCB badge for the "As Seen on Show and Tell" sticker that Adafruit has sent out in the past to participants on their weekly Show and Tell show.
- Size
- 40.2 × 51.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 18
- Nets
- 36
- Pads
- 112
- Tracks, vias
- 204, 27
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 19 May 2021
- Updated
- 3 Jun 2021
Overview
SnT Badge is an open-source printed circuit board by gamblor21, from the gamblor21/SnT-Badge repository on GitHub, published under the MIT licence. It is a 2-layer board of 40.2 × 51.1 mm with 18 parts on 36 nets, routed with 204 tracks and 27 vias.
It is built around the ICM-20602, WS2812B and SK6812. Its parts include 7 diodes, 4 capacitors, 3 resistors, 2 connectors and 1 IC. It belongs with the lEDs and displays boards of this library.
Main components
3
ICM-20602
LGA-16(3x3)-40℃~+85℃ 1.71V~3.45V 16bit 1KB 6uA IMU (accelerometer + gyroscope) SPI、I2C X,Y,Z X,Y,Z ±16g ±2000dps 运动事件检测 LGA-16(3x3) Accelerometers ROHSTDK InvenSenseAccelerometers
WS2812B
5mm X 5mm Surface Mount RGB LED with Intelligent ControlWorldsemiUncategorised
SK6812
SMD-4P,5.4x5mm-40℃~+85℃ 0.6mA 1.6mm 120° 160mcd~320mcd 1kHz 2000V 280mcd~515mcd 3.7V~5.5V 460nm~470nm 520nm~530nm 620nm~625nm 800Kbit/s 815mcd~1275mcd Built-in power-on reset circuit Semi-transparent lens SMD-4P,5.4x5mm RGB LEDs(Built-in IC) ROHSOPSCO OptoelectronicsRGB LEDs(Built-In IC)
README
README.mdAs Seen on Show & Tell Badge
This is a PCB badge based on the Adafruit sticker that (pre-covid) would be sent to community members who appeared on their Show and Tell show.
The badge is in the shape and style of the original sticker and made in the FeatherWing format with duel header rows (though single could likely fit).
The front has 6 Neopixels (connected to D5) and a light sensor (hooked to A0). The back has an IMU the ICM-20602 (ICM-20608-G can be used as a drop-in replacement). The IMU is hooked up via I2C.
The source folder has sample code and a basic CircuitPython driver for the ICM-20602 but is far from a full implementation.
Parts
18| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | WS2812B | LED_SMD:LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | D2, D3, D4, D5, D6 |
| 3 | 10k | Resistor_SMD:R_0805_2012Metric | R1, R2, R3 |
| 2 | 0.1uF | Capacitor_SMD:C_0805_2012Metric | C1, C2 |
| 1 | 10nF | Capacitor_SMD:C_0805_2012Metric | C4 |
| 1 | 2.2uF | Capacitor_SMD:C_0805_2012Metric | C3 |
| 1 | Conn_02x12_Row_Letter_Last | Connector_PinSocket_2.54mm:PinSocket_2x12_P2.54mm_Vertical_SMD | J1 |
| 1 | Conn_02x16_Row_Letter_Last | Connector_PinSocket_2.54mm:PinSocket_2x16_P2.54mm_Vertical_SMD | J2 |
| 1 | D_Photo | Diode_SMD:D_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D7 |
| 1 | ICM-20602 | Package_LGA:LGA-16_3x3mm_P0.5mm_LayoutBorder3x5y | U1 |
| 1 | LOGO | SnT-graphic:Snt-Image2 | G*** |
| 1 | SK6812 | LED_SMD:LED_SK6812_PLCC4_5.0x5.0mm_P3.2mm | D1 |
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Questions
How big is the SnT Badge PCB?
It measures 40.2 × 51.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the SnT Badge use?
18 parts, built around the ICM-20602, WS2812B and SK6812. 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 SnT Badge KiCad files?
From the gamblor21/SnT-Badge repository on GitHub, at the commit this page was made from: the board is SnT-Badge.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the SnT Badge 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).