We can use them to cut things, create laser light shows, and also as a rangefinder.[Ignas] wrote in to tell us about [Berryjam’s] AMAZING write-up on creating an Arduino based laser rangefinder.

The microcontroller-based concept was chosen because I wanted to scale the sensor system later to suit other applications. Here is the diagram of my Arduino infrared close ... receiver IR1 is only ...

We may receive a commission on purchases made from links. If you have an interest in electronics and have been hanging around DIY tech forums for a while now, chances are you already know what an ...

Jon Bumstead has created an awesome Arduino ... laser beam to be turned off when moving positions so that it appeared as though there were thirteen distinct positions and not a continuous sheet of ...

[Ashish Choudhary] married an Arduino with a display and a pollution sensor to give readings of the PM2.5 and PM10 levels in the air. The sensor uses a laser diode ... often you light up the ...

In this project, we create a joystick-controlled laser by connecting two servos to ... The following is excerpted from the book Arduino Project Handbook: 25 Practical Projects to Get You Started ...

Waymo, by contrast, uses a more expensive technology relying on pre-mapped roads, sensors, cameras, radar and lidar (a laser-light radar), that regulators have been quicker to trust. Uber partners ...

Most ambient lights and sensors are designed to generate light to even out the picture on the front of the panel and reduce any light bleed from the back of an LCD display. This Arduino-powered ...

In the microcontroller era today, Arduino ... light level is below a threshold value. Here an LDR (Light Dependent Resistor) is used to measure the light level. The alarm system is triggered when a ...