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If you searched for Teensy microcontroller boards, the main options here are:
- Teensy 4.0 — 600 MHz ARM Cortex‑M7, compact footprint ($36.05)
- Teensy 4.1 — 600 MHz Cortex‑M7 with a larger board/expandability (headers/expansion ecosystem) ($56.95)
- Teensy 3.5 — 120 MHz ARM Cortex‑M4, a solid older-gen option ($57.40)
Production / copy-protection variants
- Teensy 4.0 Lockable Development Board — 600 MHz with lockable/code security focus ($40.95)
- Teensy 4.1 Lockable Microcontroller Board — 600 MHz with lockable/code security focus ($54.20)
Popular add-ons & adapters (if you already have a Teensy)
- SparkFun Qwiic Shield for Teensy — adds 4x Qwiic (I²C) connectors for fast sensor hookups ($8.60)
- SparkFun Qwiic Shield for Teensy - Extended — extended fit for Teensy 4.1/3.6/3.5, 4x Qwiic ports ($9.90)
- Teensy to Arduino R3 Shield Adapter — use Arduino R3 shields with a Teensy ($28.60)
- OctoWS2811 Adapter for Teensy 3.x & 4.x — built for driving large WS2811/WS2812/NeoPixel LED installs ($17.20)
- Teensy Audio Adapter Board (Rev D) — add 16-bit / 44.1 kHz audio features to Teensy audio projects ($17.70)
- USB Host Cable for Teensy 4.1 and 3.6 — adapts the USB host header to a USB-A female port ($4.95)
Ethernet (Teensy 4.1)
- Ethernet Kit for Teensy 4.1 — add wired Ethernet hardware for Teensy 4.1 ($7.15)
- Ethernet Adapter for Teensy 4.1 — single-board Ethernet add-on approach for Teensy 4.1 ($9.75)
Teensy in the MicroMod ecosystem
- SparkFun MicroMod Teensy Processor — Teensy-class iMXRT1062 on MicroMod (M.2) connector ($53.85)
- SparkFun MicroMod Teensy Processor with Copy Protection — MicroMod Teensy with copy protection ($64.75)
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Showing 41-60 of 70 products · 8 unavailable products hidden
![Music Maker FeatherWing w/ Amp - MP3 OGG WAV MIDI Synth Player [Stereo 3W Amplifier]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCW7lJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--4f17dfd64080fe6122768d93b3d98a90159c820d/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsHOgtmb3JtYXRJIghqcGcGOwBUOhJyZXNpemVfdG9fZml0WwdpApABaQKQAUkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--4cc5678865497cdbcf7b02aee5242eda5f847322/image_50744f64-d159-4ee8-89bb-9983bdfb346f.jpg)
Music Maker FeatherWing w/ Amp - MP3 OGG WAV MIDI Synth Player [Stereo 3W Amplifier]
The Adafruit Music Maker FeatherWing with Amplifier brings powerful audio playback to any Feather board. Built around the VS1053B codec chip, it decodes a wide variety of formats including MP3, AAC, Ogg Vorbis, WMA, MIDI, FLAC, and WAV — and includes an on-board 3W class-D stereo amplifier so you...
A-Star 32U4 Micro
The Pololu A-Star 32U4 Micro is a general-purpose programmable module based on the ATmega32U4 AVR microcontroller from Microchip. It packs 32 KB of flash, 2.5 KB of RAM, and built-in USB into a tiny 1″ × 0.6″ DIP package — even smaller than competing ATmega32U4 boards like the Teensy 2.0 and Pro ...
Adafruit Music Maker FeatherWing - MP3 OGG WAV MIDI Synth Player
The Adafruit Music Maker FeatherWing turns any Feather board into a versatile audio player and MIDI synthesiser. Powered by the VS1053B codec chip, it decodes MP3, AAC, Ogg Vorbis, WMA, FLAC, WAV, and MIDI formats, with digital bass, treble, and volume controls — all over a lightweight SPI interf...
Panel Mount Extension USB Cable - Mini B Male to Mini B Female
Check out this handy USB extension cable, which will make it easy for you to enclose a device that has a Mini-B USB type port. We think this would be most handy when putting a Teensy, FTDI friend, USB LiPo charger, BeagleBone, or any other Mini-B device into a box!This Mini-B male/female extensio...
TFT FeatherWing - 2.4 320x240 Touchscreen For All Feathers
A 2.4" TFT touchscreen display shield for the Adafruit Feather ecosystem. Featuring a 320×240 pixel display with 16-bit colour, a resistive touchscreen, and a built-in microSD card slot, this FeatherWing adds a full interactive display to any Feather board via SPI. Comes fully assembled with dua...
Adafruit LoRa Radio FeatherWing - RFM95W 433 MHz
Add long-range LoRa radio to any Feather board with the Adafruit LoRa Radio FeatherWing. Built around the SX127x LoRa module, this add-on provides kilometre-range packet radio communication at 433 MHz — perfect for sensor networks, remote monitoring, and bridging to the Internet via a WiFi or cel...
Adafruit LoRa Radio FeatherWing - RFM95W 900 MHz
Add long-range LoRa radio to any Feather board with the Adafruit LoRa Radio FeatherWing. Built around the SX127x LoRa module, this add-on provides kilometre-range packet radio communication at 900 MHz (tuneable to 868 MHz or 915 MHz) — perfect for sensor networks, remote monitoring, and bridging ...
![74AHCT125 - Quad Level-Shifter (3V to 5V) [74AHCT125]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCpnJJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--e1ef1f697e3fb0453a848a8b32408f39488f5e35/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsHOgtmb3JtYXRJIghqcGcGOwBUOhJyZXNpemVfdG9fZml0WwdpApABaQKQAUkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--4cc5678865497cdbcf7b02aee5242eda5f847322/image_7e6b4bc4-2541-47c5-8e85-8dabc3e95e00.jpg)
74AHCT125 - Quad Level-Shifter (3V to 5V) [74AHCT125]
A quad level-shifting buffer IC that excels at converting 3V logic signals up to 5V. Power the 74AHCT125 with 5V and it will cleanly detect 3.3V logic inputs — particularly useful when connecting devices like Teensy 3.x to NeoPixels or other 5V peripherals. To use, apply 5V to VCC, connect GND, ...
Adafruit NeoPixel Ring - RGB LED w/ Integrated Drivers - 16 pixel
Round and round they go! 16 ultra-bright smart RGB NeoPixels are arranged in a circle with a 44.5 mm (1.75″) outer diameter. Each LED is individually addressable from a single microcontroller pin, delivering 24-bit colour with ~18 mA constant-current drive for consistent brightness regardless of ...
Adafruit NeoPixel NeoMatrix 8x8 - 64 RGB LED Pixel Matrix
Put on your sunglasses before wiring up this LED matrix — 64 eye-blistering RGB LEDs adorn the NeoPixel NeoMatrix for a blast of configurable colour. Arranged in an 8×8 matrix, each pixel is individually addressable with just one microcontroller pin, delivering 24-bit colour (8-bit PWM per channe...
Adafruit NeoPixel Ring - RGB LED w/ Integrated Drivers - 12 pixel
Round and round they go! 12 ultra-bright smart RGB NeoPixels are arranged in a compact circle with a 37 mm (1.5″) outer diameter. Each LED is individually addressable from a single microcontroller pin, delivering 24-bit colour with ~18 mA constant-current drive for consistent brightness regardles...
Adafruit NeoPixel Ring - RGB LED w/ Integrated Drivers - 24 pixel
Round and round they go! 24 ultra-bright smart RGB NeoPixels are arranged in a circle with a 66 mm (2.6″) outer diameter — the largest in the NeoPixel Ring family. Each LED is individually addressable from a single microcontroller pin, delivering 24-bit colour with ~18 mA constant-current drive f...
Prop Shield With Motion Sensors
The Prop Shield is meant for making interactive light and sound effects on small handheld props and wearable costumes. Motion Sensors - Allows motion interactive light & sound. Audio Amplifier - Clear quality audio output to a small speaker. Fast LED Driver - Drive APA102 / Dotstar LEDs fo...
Prop Shield, Low Cost (no Motion Sensors)
This low-cost Prop Shield is meant for making light and sound effects on small handheld props and wearable costumes. Audio Amplifier - Clear quality audio output to a small speaker. Fast LED Driver - Drive APA102 / Dotstar LEDs for colorful lighting with rapid response. Flash Memory - 8 Mbyte ...
Panel Mount USB Cable - B Female to Mini-B Male
A panel-mount USB extension cable with a USB-B female jack on one end and a Mini-B male plug on the other. The jack features two mounting ears with pre-installed M3 screws, making it easy to add an external USB port to project enclosures for devices with Mini-B USB connections. Key Features Pa...
Adafruit TFT FeatherWing - 3.5 480x320 Touchscreen for Feathers
The Adafruit TFT FeatherWing is a 3.5" colour display with a 480×320 resolution, bright 6-LED white backlight, and a built-in resistive touchscreen. It plugs directly into any Adafruit Feather board, giving you a high-resolution colour display with touch input and a microSD card slot for image st...
USB cable - 6 A/MiniB
A compact 6" (approx. 15cm) USB Type-A to Mini-B cable for USB 1.1 and 2.0 connections. Ideal for keeping on the bench when you need a short, tidy cable to connect to Teensy boards, USB LiPo chargers, or other Mini-B devices. Black finish. Key Features Connectors – USB Type-A to Mini-B Length...
5V 1A (1000mA) USB port power supply - UL Listed
This 5V 1A USB power supply provides clean, regulated power for microcontrollers, development boards, and USB-charged devices. It accepts 110–240V AC input and outputs via a USB Type-A port, so you simply plug in whatever USB cable your project needs. The supply is intentionally designed to outp...
Adafruit NeoPixel NeoMatrix - 64 RGBW - Warm White - ~3000K
Put on your sunglasses before wiring up this LED matrix — 64 eye-blistering RGBW LEDs adorn the NeoPixel NeoMatrix for a blast of configurable colour and white. Arranged in an 8×8 matrix, each pixel is individually addressable with just one microcontroller pin, delivering 32-bit colour (8-bit PWM...
Adafruit NeoPixel NeoMatrix - 64 RGBW - Natural - ~4500K
Put on your sunglasses before wiring up this LED matrix — 64 eye-blistering RGBW LEDs adorn the NeoPixel NeoMatrix for a blast of configurable colour and white. Arranged in an 8×8 matrix, each pixel is individually addressable with just one microcontroller pin, delivering 32-bit colour (8-bit PWM...
