Teensy 4.1 Male Headers
About the Teensy 4.1 Male Headers PCB
Teensy 4.1 Male Headers is an open source NXP PCB design by petitechose-midi-studio, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 22.2 × 66.3 mm, with 3 components from 2 distinct parts.
Its main chip is the CD74HC4067M, from the NXP family. By type, the board carries 2 connectors and 1 IC.
From the project
Open-source hardware design files for the MIDI Studio controller.
Open-source hardware design files for the MIDI Studio controller.
Teensy 4.1 based MIDI controller with ILI9341 display, 10 rotary encoders, and 15 buttons.
- MCU: Teensy 4.1 (ARM Cortex-M7; hardware rated up to 600 MHz, with MIDI Studio firmware configured at 450 MHz) - RAM: 8 MB PSRAM (mandatory - soldered on underside pads) - Display: ILI9341 2.8" TFT (320x240, SPI) - Encoders: - 8x Bourns PEC11R rotary encoders (24 PPR, smooth, with push button) - 1x Bourns PEC11R rotary encoder (24 PPR, detented, with push button) - 1x E38S6G5 optical encoder (600 PPR, high-resolution) - Button inputs…
Main components on the Teensy 4.1 Male Headers
Teensy 4.1 Male Headers bill of materials (BOM)
3 components, 2 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CD74HC4067M Teensy4.1 | Teensy41 | U1 |
| 2 | Conn_01x24_Pin | PinHeader_1x24_P2.54mm_Vertical | J1, J2 |
Teensy 4.1 Male Headers design files
The KiCad project lives in the petitechose-midi-studio/hardware repository on GitHub; these links point at the commit this page was built from.
Teensy 4.1 Male Headers: common questions
What microcontroller does the Teensy 4.1 Male Headers use?
The Teensy 4.1 Male Headers is built around the CD74HC4067M, from the NXP family.
How big is the Teensy 4.1 Male Headers PCB?
The Teensy 4.1 Male Headers measures 22.2 × 66.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Teensy 4.1 Male Headers?
3 components, from 2 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Teensy 4.1 Male Headers design files?
From the petitechose-midi-studio/hardware repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Teensy 4.1 Male Headers design in my own project?
Yes, under the terms of its CERN-OHL-S-2.0 license, which petitechose-midi-studio chose for the repository.
Can I test firmware for the Teensy 4.1 Male Headers 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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