SensorBoard
About the SensorBoard PCB
SensorBoard is an open source AVR/Arduino PCB design by TeamMeanMachine, published on GitHub under the Unlicense license. It is a 2-layer board measuring 50.8 × 43.2 mm, with 32 components from 17 distinct parts.
Its main chip is the ATMEGA32U4, from the AVR/Arduino family. Other key parts include the MIC5219-3.3YM5, XC9142 and TCS34725. By type, the board carries 8 diodes, 7 resistors, 6 capacitors, 4 ICs, 3 connectors and 1 transistor.
From the project
They also frequently require the library files contained in the Core folder of this repository
Main components on the SensorBoard
SensorBoard bill of materials (BOM)
32 components, 17 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATMEGA32U4 | TQFP-44_10x10mm_P0.8mm | U1 |
| 1 | MIC5219-3.3YM5 | SOT-23-5 | U2 |
| 1 | XC9142 | SOT-23-5 | U3 |
| 1 | TCS34725 | TCS34725 | U4 |
| 1 | BSS138DW-7-F | SOT-363 | Q1 |
| 1 | RESONATOR-16MHZSMD_3.2X1.3 | RESONATOR-SMD-3.2X1.3_UNRESTRICTED | Y1 |
| 1 | USB_B | USB_B_OST_USB-B1HSxx_Horizontal | J1 |
| 2 | QWIIC_CONNECTORJS-1MM | 1X04_1MM_RA | J3, J4 |
| 1 | PPTC_HALF-AMP | Fuse_1206_3216Metric | F1 |
| 8 | APA102 | LED_RGB_PLCC-6 | D1, D2, D3, D4, D5, D6, D7, D8 |
| 1 | INDUCTOR-CDRH-4.7UH | 0805 | L1 |
| 2 | 1.0UF-0603-16V-10% | C_0603_1608Metric | C1, C3 |
| 2 | 0.1UF-0603-25V-5% | C_0603_1608Metric | C2, C6 |
| 2 | 10UF-0805-10V-10% | C_0805_2012Metric | C4, C5 |
| 2 | 220KOHM-0603-1_10W-1% | R_0603_1608Metric | R1, R2 |
| 1 | 10KOHM-0603-1_10W-1% | R_0603_1608Metric | R3 |
| 4 | 4.7KOHM-0603-1_10W-1% | R_0603_1608Metric | R4, R5, R6, R7 |
SensorBoard design files
The KiCad project lives in the TeamMeanMachine/Electronics repository on GitHub; these links point at the commit this page was built from.
SensorBoard: common questions
What microcontroller does the SensorBoard use?
The SensorBoard is built around the ATMEGA32U4, from the AVR/Arduino family.
How big is the SensorBoard PCB?
The SensorBoard measures 50.8 × 43.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the SensorBoard?
32 components, from 17 distinct parts. The full bill of materials is listed on this page.
Where can I download the SensorBoard design files?
From the TeamMeanMachine/Electronics repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the SensorBoard design in my own project?
Yes, under the terms of its Unlicense license, which TeamMeanMachine chose for the repository.
Can I test firmware for the SensorBoard without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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