BionicBase Teensy 4.1
tgtakaoka·retro-bionic·schematics/base/bionic-base.kicad_pcb
About the BionicBase Teensy 4.1 PCB
BionicBase Teensy 4.1 is an open source NXP PCB design by tgtakaoka, published on GitHub under the Custom license license. It is a 2-layer board measuring 96.5 × 96.5 mm, with 34 components from 16 distinct parts.
Its main chip is the Teensy4.1, from the NXP family. Other key parts include the TXS0108EPW and SN74ACT1071DR. By type, the board carries 12 capacitors, 7 ICs, 7 connectors, 5 resistors, 1 switch and 1 diode.
It belongs with the retro computing designs in this gallery.
From the project
Modern platform to run retro CPUs
Run real vintage CPUs on a modern Cortex-M7 — with a debugger, assembler and disassembler built in.
- CPUs — every target supported and planned, with the variants each detects - Hardware — the board stack, signal naming and the awkward chips - 3.3 V base — planned second base board, its keying and what it unlocks - Debugger — full command reference - Build & run — toolchain, flashing, serial ports - Samples — the programs and how to run them - Demos — recorded terminal sessions for 20 CPUs

Main components on the BionicBase Teensy 4.1
BionicBase Teensy 4.1 bill of materials (BOM)
34 components, 16 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 5 | TXS0108EPW | PW20-M | U1, U2, U3, U4, U5 |
| 2 | SN74ACT1071DR | D14-M | U6, U7 |
| 1 | Bionic_ZIF_Socket_48pin | Aries_ZIF_socket_DIP-48-pin | J1 |
| 2 | USB_C_USB2.0_16P | GCT_USB4085-GF-A_REVB | J2, J3 |
| 1 | P1/P2 | PinHeader_2x08_P2.54mm_Horizontal | J4 |
| 1 | P3/P4 | PinHeader_2x08_P2.54mm_Horizontal | J5 |
| 1 | P5 | PinHeader_2x04_P2.54mm_Horizontal | J6 |
| 1 | Debug | PinHeader_2x02_P2.54mm_Horizontal | J7 |
| 1 | Teensy4.1 | Teensy 4.1 | B1 |
| 1 | USR_SW | SW_PUSH_LED_6mm | SW1 |
| 1 | CSL1901UW1 | LED_CSL1901UW1_ROM-M | D1 |
| 12 | 0.1u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2, C3, C4, C5, C6, C7, C10 +4 |
| 1 | 4.7k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1 |
| 1 | 560 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2 |
| 2 | 5.1k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R4 |
| 1 | 1.6k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5 |
BionicBase Teensy 4.1 design files
The KiCad project lives in the tgtakaoka/retro-bionic repository on GitHub; these links point at the commit this page was built from.
BionicBase Teensy 4.1: common questions
What microcontroller does the BionicBase Teensy 4.1 use?
The BionicBase Teensy 4.1 is built around the Teensy4.1, from the NXP family.
How big is the BionicBase Teensy 4.1 PCB?
The BionicBase Teensy 4.1 measures 96.5 × 96.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the BionicBase Teensy 4.1?
34 components, from 16 distinct parts. The full bill of materials is listed on this page.
Where can I download the BionicBase Teensy 4.1 design files?
From the tgtakaoka/retro-bionic repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the BionicBase Teensy 4.1 design in my own project?
It is published under Custom license, which limits how it may be reused; read the license before building on it.
Can I test firmware for the BionicBase Teensy 4.1 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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