m5stackM5Stack· Mechanics & transmission
Mechanical Key Button Unit
Manufacturer part no. U144
$3.95≈ 3.42 €
Price summary
Listed by m5stack at €3.42. Delivered to France, including shipping, VAT and any customs duty, it comes to about €22.10. Prices last checked on 2026-09-16.
Delivered cost is an estimate for a single item shipped to mainland France; the seller's checkout is authoritative.
In stock
Estimated landed cost
| Item | €3.42 |
|---|---|
| Shipping | €15.00 |
| VAT (20%) | €3.68 |
| Total delivered | €22.10 |
Estimate for a single item delivered to mainland France, shipped from outside the EU: customs duty and clearance fees may apply and are charged by the carrier.
Specifications (automatically extracted)
Mechanical
| Weight | 17 g |
Description
Description Unit Key is a single-key input unit with built-in RGB light. It uses a tactile mechanical blue switch with strong tactile feedback, and the keycap is replaceable, providing excellent mechanical feel and rebound. It features a built-in SK6812 programmable full-color RGB LED that supports 256 levels of brightness display. The unit exposes two digital IO interfaces for key state acquisition and light control. It is suitable for DIY projects requiring button input interaction. Features Blue switch (strong tactile feedback) SK6812 programmable full-color RGB LED Includes 1 x Unit Key 1 x HY2.0-4P Grove Cable (20cm) Applications Human-machine interaction design Specifications Specification Parameter Supply Voltage DC 5V Button Output Logic Signal DC 3.3V Standby Current DC 5V@2mA Operating Current DC 5V@13mA Product Size 40.0 x 24.0 x 22.6mm Product Weight 7.6g Package Size 138.0 x 93.0 x 18.0mm Gross Weight 13.1g Learn and Documents → DOCUMENTS
