In this Teardown Tuesday, we're going to take a look at the insides of a low cost (<$30 USD) smartwatch.
In this Teardown Tuesday, we're going to take a look at the insides of a low cost (<$30 USD) smartwatch.
Readers will learn how to wire a standard 16x2 LCD (liquid crystal display) to a Raspberry Pi to display messages.
Readers will learn how to wire a standard 16x2 LCD (liquid crystal display) to a Raspberry Pi to display messages.
In this article I'll show you one way to use a PIC microcontroller to get the time and date from a GPS module.
In this article I'll show you one way to use a PIC microcontroller to get the time and date from a GPS module.
Gather data via USB from a BH1745NUC optical sensor and then display color characteristics and illuminance values.
Gather data via USB from a BH1745NUC optical sensor and then display color characteristics and illuminance values.
Use data from an RGB sensor to improve the accuracy of illuminance measurements.
Use data from an RGB sensor to improve the accuracy of illuminance measurements.
Learn how to translate the output of a photosensor into an illuminance measurement.
Learn how to translate the output of a photosensor into an illuminance measurement.
A practical introduction to quantifying perceived light intensity.
A practical introduction to quantifying perceived light intensity.
Smart LEDs are becoming increasingly popular and very inexpensive. It's a great time to pick some up and experiment!
Smart LEDs are becoming increasingly popular and very inexpensive. It's a great time to pick some up and experiment!
There are many so competing technologies in televisions, it can quickly become downright confusing. We discuss a handful…
There are many so competing technologies in televisions, it can quickly become downright confusing. We discuss a handful of them here including 4k / UHD, Framerate, OLED, HDR, Quantum dots, and Quantum LEDs
Take a few minutes to characterize a light dependent resistor (LDR) and you can build a simple and reasonably accurate…
Take a few minutes to characterize a light dependent resistor (LDR) and you can build a simple and reasonably accurate light meter can be built using an LDR and an Arduino.
In this project, you'll learn how to wire an LED and flash it using the Raspberry Pi. Also, to isolate the Raspberry Pi's…
In this project, you'll learn how to wire an LED and flash it using the Raspberry Pi. Also, to isolate the Raspberry Pi's + 3.3VDC compliant output pins from supply voltages greater than this power source, an opto-isolator will be introduced as well.
A thorough explanation of OLED technology and its applications. Like an LED, an OLED is a solid semiconductor device that…
A thorough explanation of OLED technology and its applications. Like an LED, an OLED is a solid semiconductor device that is 100 to 500 nanometers in length or 200 times smaller than a human hair!
An inexpensive PICAXE microcontroller makes it easy to read a temperature sensor, compare the temperature to a setpoint,…
An inexpensive PICAXE microcontroller makes it easy to read a temperature sensor, compare the temperature to a setpoint, and turn a heater or cooler circuit on or off.
Use a WS2812 RGB LED strip to visualize the pose of an MPU-6050 6-degree-of-freedom IMU in three dimensional space.
Use a WS2812 RGB LED strip to visualize the pose of an MPU-6050 6-degree-of-freedom IMU in three dimensional space.
Using an LCD increases the versatility of any microcontroller by displaying data outputs and memory contents. This serial…
Using an LCD increases the versatility of any microcontroller by displaying data outputs and memory contents. This serial adapter uses only one I/O.
This article will show you one way of making an accurate clock by using the Real Time Clock IC DS1307. The time will be…
This article will show you one way of making an accurate clock by using the Real Time Clock IC DS1307. The time will be shown on a LCD display.
LCDs are great for showing info from your microcontroller. A serial adapter is inexpensive, uses only one I/O, and is…
LCDs are great for showing info from your microcontroller. A serial adapter is inexpensive, uses only one I/O, and is easy to connect and to use.
Part 4 in the “How to Make an Ambient Light Monitor” series
Part 4 in the “How to Make an Ambient Light Monitor” series
How to read humidity and temperature from a DHT11 and display it on a LCD with a PIC microcontroller. In this example…
How to read humidity and temperature from a DHT11 and display it on a LCD with a PIC microcontroller. In this example we're going to use a PIC16F628A.
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