Mainboard smd
About the Mainboard smd PCB
Mainboard smd is an open source NXP PCB design by OpenHumidistat, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 46.5 × 38.1 mm, with 25 components from 16 distinct parts.
Its main chip is the Teensy-LC, from the NXP family. By type, the board carries 16 connectors, 7 resistors, 1 IC and 1 diode.
It belongs with the sensors designs in this gallery.
From the project
KiCAD design files for PCBs for the OpenHumidistat humidity controller
Main components on the Mainboard smd
Mainboard smd bill of materials (BOM)
25 components, 16 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Teensy-LC | Teensy_LC | U1 |
| 2 | Conn_01x14 | PinSocket_1x14_P2.54mm_Vertical | J1, J2 |
| 1 | Conn_01x05 | PinSocket_1x05_P2.54mm_Vertical | J3 |
| 1 | Conn_01x03 | PinSocket_1x03_P2.54mm_Vertical | J4 |
| 1 | Conn_01x01 | PinSocket_1x01_P2.54mm_Vertical | J5 |
| 1 | Keypad | PinHeader_1x03_P2.54mm_Vertical | J6 |
| 1 | D6F 2 | PinHeader_1x03_P2.54mm_Vertical | J7 |
| 1 | D6F 1 | PinHeader_1x03_P2.54mm_Vertical | J8 |
| 1 | SPI LCD | PinHeader_2x04_P2.54mm_Vertical | J9 |
| 1 | I2C SHT85 | PinHeader_1x04_P2.54mm_Vertical | J10 |
| 1 | Solenoid driver | PinHeader_1x04_P2.54mm_Vertical | J11 |
| 1 | AM2302 | PinHeader_1x03_P2.54mm_Vertical | J12 |
| 4 | Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J13, J14, J15, J16 |
| 1 | 1N5817 | D_SOD-123 | D1 |
| 3 | 4.7k | R_0805_2012Metric | R1, R2, R3 |
| 4 | 10k | R_0805_2012Metric | R4, R5, R6, R7 |
Mainboard smd design files
The KiCad project lives in the OpenHumidistat/hardware repository on GitHub; these links point at the commit this page was built from.
Mainboard smd: common questions
What microcontroller does the Mainboard smd use?
The Mainboard smd is built around the Teensy-LC, from the NXP family.
How big is the Mainboard smd PCB?
The Mainboard smd measures 46.5 × 38.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Mainboard smd?
25 components, from 16 distinct parts. The full bill of materials is listed on this page.
Where can I download the Mainboard smd design files?
From the OpenHumidistat/hardware repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Mainboard smd design in my own project?
Yes, under the terms of its CERN-OHL-S-2.0 license, which OpenHumidistat chose for the repository.
Can I test firmware for the Mainboard smd without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug NXP firmware against it before you order a PCB.
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