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Adafruit NeoKey Trinkey - USB NeoPixel Mechanical Key Switch

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IoT Development Boards for everyday users

The Adafruit NeoKey Trinkey - USB NeoPixel Mechanical Key Switch by Adafruit is a mid-range iot development boards designed for everyday users. It features Item Type: Accessory and Model No. / Name: Key Switch.

₹1,559
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Total: ₹1,559
Buying tip: A well-rounded choice at a fair price. Recommended for most buyers.
Estimated delivery: 26 Aug9 Sept
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Quick Specs

Item Type: Accessory
Model No. / Name: Key Switch
Compatibility: Trinket M0 heart, NeoPixel glow, Cherry MX
Microcontroller: ATSAMD21E18 32-bit Cortex M0+ processor
Length (mm): 32
Width (mm): 16.4

Ideal For

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SKU: robu-2631448Category: IoT Development Boards

About This Product

The Adafruit NeoKey Trinkey - USB NeoPixel Mechanical Key Switch by Adafruit is a mid-range iot development boards designed for everyday users. It delivers reliable performance at an accessible price.

Key Specifications

  • Item Type: Accessory
  • Model No. / Name: Key Switch
  • Compatibility: Trinket M0 heart, NeoPixel glow, Cherry MX
  • Microcontroller: ATSAMD21E18 32-bit Cortex M0+ processor — smooth, lag-free performance
  • Length (mm): 32
  • Width (mm): 16.4
  • Weight (g): 2.1
  • Shipping Weight: 0.01 kg

Why Buy from Elecvora?

Elecvora sources this product directly, cutting out multiple middlemen. Every order includes free shipping, a 15-day return policy, and secure payment via Razorpay.

The NeoKey Trinkey is a unique circuit board that combines the functionality of a USB key, an Adafruit Trinket, and a mechanical keyboard switch. Powered by a Trinket M0, it features a NeoPixel LED and a Cherry MX-compatible switch. Inspired by single-key macro pads, the NeoKey Trinkey plugs directly into your computer's USB port and is fully programmable. It has an ATSAMD21 microcontroller, a capacitive touch input, and a reset button for bootloader mode. The board is compatible with CircuitPython or Arduino and supports serial, MIDI, or HID over USB. USB NeoPixel Mechanical Key Switch board is perfect for simple projects, such as a macro-controller, password entry tool, or custom keyboard key. Note that the key switch is not included, allowing users to choose their preferred MX-compatible switch. The NeoKey Trinkey is compact, durable, and an affordable option for both beginners and advanced developers.

Features:

  1. TSAMD21E18 Processor: 32-bit Cortex M0+ at 48 MHz with 256KB Flash and 32KB RAM.
  2. Native USB Support: Compatible with all OS, usable as USB serial console, MIDI, HID (Keyboard/Mouse), or a disk drive for Python scripts.
  3. Arduino & CircuitPython Compatible: Can be programmed with Arduino IDE or CircuitPython.
  4. RGB NeoPixel LED: Single reverse-mount RGB LED for customizable lighting.
  5. Capacitive Touch Pad: One touch-sensitive input for interactive projects.
  6. Cherry-MX Compatible Footprint: Supports nearly any mechanical switch (center-nub hole, side-nubs must be clipped).
  7. Reset Switch: Allows restarting project code or entering bootloader mode.
  8. Compact & Keychain-Friendly: Small and portable design for easy carrying.

Features:

1 x Adafruit NeoKey Trinkey - USB NeoPixel Mechanical Key Switch

Setup Guide

1
Identify the pins
Locate VCC (power), GND (ground), and data pins (SDA/SCL for I2C, MOSI/MISO for SPI, or TX/RX for UART). Refer to the pinout diagram on the product page.
2
Wire to your microcontroller
Connect VCC to 3.3V or 5V (check the module spec), GND to GND, and data pins to the appropriate GPIO pins on your Arduino or Raspberry Pi.
3
Install libraries
In Arduino IDE, go to Sketch → Include Library → Manage Libraries and search for the sensor library. Install the recommended version.
4
Upload example sketch
Open File → Examples → [library name] → Basic Example. Upload to your board and open Serial Monitor to view output.
5
Calibrate if needed
Some sensors (temperature, humidity, distance) may need a short warm-up period or calibration. Run the calibration sketch if provided.