
- Cross-axle hole on button
- Auto-ID is built into the EV3 software
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The analog EV3 Touch Sensor is a simple but exceptionally precise tool that detects when its front button is pressed or released and is able to count single and multiple presses. Students can build start/stop control systems, create maze-solving robots and uncover the technology's use in devices such as digital musical instruments, computer keyboards and kitchen appliances.

Lego® EV3 Touch Sensor is a set by Lego from the "LEGO® MINDSTORMS®" theme (Set No. 45507, EAN: 0673419196406). According to the VERObricks database, the set includes 1 part, Recommended age 10-21. Manufacturer description: "The analog EV3 Touch Sensor is a simple but exceptionally precise tool that detects when its front button is pressed or released and is able to count single and multiple presses. Students can build start/stop control systems, create maze-solving…"
Lego® EV3 Touch Sensor was released in August 2013. The set retired in June 2021 (EOL, end of life). New copies come from remaining stock only; for used ones, use the eBay search on this page.