Is America’s missile defense as robust as its weakest hard disk? Chenguang Gong, a dual citizen of the United States and ...

As a follow-up on his story on tunnel radio, Nick Langan explores college campus carrier-current radio and hears from readers ...

Abstract-In this paper, an ultra wideband impulse radio (UWB-IR) transmitter and receiver monolithic microwave integrate circuit (MMIC) for precision localization sensor network is presented. Longer ...

Vishay Intertechnology upgrades VSOP383xx preamplifier circuits for IR applications, enhancing sensitivity, performance, and compatibility. Samples available now.

The architecture of a low-complexity ultra wideband (UWB) impulse radio (IR) transmitter and receiver circuit, aimed for low-cost applications is presented. To project a simple and commercially ...

When an intruder crosses this tripwire circuit and breaks its connection, it triggers an audible alarm from the piezo buzzer. 3. The Infrared Tripwire Materials: infrared (IR) transmitter and receiver ...

100 IR receiver. Regulated digital power supply was used to provide stable 5V supply to the transmitter circuit. A 5V, 100kHz square wave from the signal generator was used to switch the BC338 ...

Transparent HUD for an Airsoft gun that shows how many BBs are left in your magazine and keeps track of your number of kills and deaths during a match. A XIAO ESP32-C3 is used together with a SSD1309 ...

The infrared (IR) emitter and receiver market refers to the market for products that use infrared light for communication and sensing. IR emitters transmit IR light, and IR receivers detect the light.