Teensy 4.1 Board Gets Longer for Ethernet, MicroSD Slot, and More GPIOs - CNX Software
Teensy 4.1_NE swaps ethernet support for more I/Os
Teensy USB Board, Version 3.5 without Pins - Solarbotics Ltd.
PJRC (Teensy) Forum
I want to make a keyboard with the Teensy LC, since it's cheap and I only need 25 of the 27 digital pins on it. However, this official pinout image shows only
Teensy 3.5 & 3.6 by Paul Stoffregen — Kickstarter
GitHub - BauhausUniversity/EasyListener: Machine learning for the Teensy Audio Library
Ken Shirriff's blog: June 2021
Teensy 4.1 USB Microcontroller Development Board (No Pins) - RobotShop
Flip-Pins for Teensy 3.5 or 3.6 (4 sets) from OSHchip on Tindie
PJRC (Teensy) Forum
Teensy® 4.1
Hacking the Teensy V3.1 for SWD Debugging | MCU on Eclipse
Terminal Block Breakout Board Module for Teensy 4.1, DIN Rail Mount Version
Teensy 4.0 - ProtoSupplies
Teensy® 4.1
Teensy 3.2 Breakout (Revision D) from Tall Dog on Tindie