Never run out of tea again! The Intelli-T uses a weight sensor and a Raspberry Pi to alert you when your tea supply is running low.
Never run out of tea again! The Intelli-T uses a weight sensor and a Raspberry Pi to alert you when your tea supply is running low.
Learn the design steps for creating your own custom inclinometer PCB.
Learn the design steps for creating your own custom inclinometer PCB.
Want to get to-the-minute, location-specific weather information delivered right to your own Adafruit IO dashboard? It's…
Want to get to-the-minute, location-specific weather information delivered right to your own Adafruit IO dashboard? It's time to assemble your very own SmartBrella.
This article describes an Ethernet-connected subsystem of a larger modular sensor system designed for industrial or smart…
This article describes an Ethernet-connected subsystem of a larger modular sensor system designed for industrial or smart home sensing and monitoring. We will discuss a custom sensor subsystem developed for this application.
Use a Honeywell particle sensor to measure 2.5 µm PM and 10.0 µm PM concentrations in your environment.
Use a Honeywell particle sensor to measure 2.5 µm PM and 10.0 µm PM concentrations in your environment.
This article demonstrates the creation of an inductive switch cabinet lock that can detect the movement of a conductive…
This article demonstrates the creation of an inductive switch cabinet lock that can detect the movement of a conductive target. The purpose is to create a door that cannot be opened without triggering an alarm.
Let's interface an ultrasonic sensor and a lighting system! In this project, we'll design a sensor subsystem and then use…
Let's interface an ultrasonic sensor and a lighting system! In this project, we'll design a sensor subsystem and then use it in a parking sensor application.
We’ll use real collision data to refine the detection algorithm, and even better, we’ll confirm that the system…
We’ll use real collision data to refine the detection algorithm, and even better, we’ll confirm that the system actually works.
A Picaxe 08M2 microcontroller and an HIH6030 sensor team up to easily control a ventilation fan using temperature or…
A Picaxe 08M2 microcontroller and an HIH6030 sensor team up to easily control a ventilation fan using temperature or humidity or both.
In this article, we’ll develop and test an algorithm for automatically shutting down a robot in response to a collision…
In this article, we’ll develop and test an algorithm for automatically shutting down a robot in response to a collision (or some other violent event).
Learn how to make a tachometer and speedometer using a C8051 microcontroller, an optoelectronic sensor, and a spinning disc.
Learn how to make a tachometer and speedometer using a C8051 microcontroller, an optoelectronic sensor, and a spinning disc.
An accelerometer can be a valuable addition to a robotics project. This article will show you one approach to generating…
An accelerometer can be a valuable addition to a robotics project. This article will show you one approach to generating and analyzing acceleration data.
This project uses a C8051 microcontroller development kit, an accelerometer evaluation board, and Simplicity Studio…
This project uses a C8051 microcontroller development kit, an accelerometer evaluation board, and Simplicity Studio IDE—all from Silicon Labs—to rather quickly and easily build a motion-detecting alarm system.
With all this hot weather this summer, we need to keep our plants well-fed. That's where the Debra 2 Moisture Sensor comes in!
With all this hot weather this summer, we need to keep our plants well-fed. That's where the Debra 2 Moisture Sensor comes in!
The BNO055 is an absolute orientation sensor from Bosch that combines sensor data and a microprocessor to filter and…
The BNO055 is an absolute orientation sensor from Bosch that combines sensor data and a microprocessor to filter and combine the data, giving users their absolute orientation in space.
A PICAXE 08M2 can be used to read the amount of IR (infrared) light falling on a phototransistor and respond by moving a…
A PICAXE 08M2 can be used to read the amount of IR (infrared) light falling on a phototransistor and respond by moving a servo to a predetermined position.
Freeze moments in time to easily produce extraordinary close-up pictures with your digital camera, an Arduino, and these…
Freeze moments in time to easily produce extraordinary close-up pictures with your digital camera, an Arduino, and these simple circuits.
The brightest blade in the world. Fluid sound effects generated in real time. Any colour, changeable on the fly. If you…
The brightest blade in the world. Fluid sound effects generated in real time. Any colour, changeable on the fly. If you want to know what it feels like to hold a Lightsaber, this project is the closest you can get today.
For this article, we are only concerned with one type of sensor that can measure temperature. This sensor is called a thermistor.
For this article, we are only concerned with one type of sensor that can measure temperature. This sensor is called a thermistor.
The Sabertooth 2x32 motor controller can be used to create a robust drive platform for your next robotic endeavour. This…
The Sabertooth 2x32 motor controller can be used to create a robust drive platform for your next robotic endeavour. This article uses an Arduino Uno to communicate with the Sabertooth 2x32 controller.