Electronics Weekly

Capacitive touch can be in close proximity, says Atmel

Guest columnist Helen Francis, product marketing manager at Atmel Touch Technology, says that capacitive touch can be used as a proximity sensor In recent years, capacitive touch technology has ...
Electronic Design

Capacitive Proximity Sensor Provides Accuracy And Speed

Two tiny ICs and a few passive components can yield a capacitive proximity sensor with excellent sensitivity and extremely fast response time. The circuit’s operation leverages the pulse-front-edge ...
EDN

Arduino IR Proximity Sensor

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...
Business Wire

Semtech Launches Smart Proximity Sensor for Short-Range Human Presence Detection & SAR Regulations in Mobile & Tablet PC Applications

CAMARILLO, Calif.--(BUSINESS WIRE)--Semtech Corporation. (Nasdaq: SMTC), a leading supplier of analog and mixed-signal semiconductors, today announced the SX9300, an ultra-low power capacitive ...
Business Wire

Elliptic Labs and Solomon Systech Combine Ultrasound and Capacitive Technology for OEMs to Remove IR Proximity Sensors from Smartphones

SAN FRANCISCO & HONG KONG--(BUSINESS WIRE)--Elliptic Labs, the innovator in ultrasound virtual sensors, today announced a partnership with Solomon Systech Limited, a leader in display controllers, ...
University of Wyoming

Proximity Detector

This project is a simple modification of the LightGauge project. Instead of measuring light, we measure the ambient voltage field on pin A5 and use it to detect if someone is too close to our Arduino.