You can get Raspberry Pi OS in either a 32-bit and 64-bit architecture. When you install applications, it can be important to know whether the operating system is 32-bit or 64-bit. This quick guide shows how to check whether Raspberry Pi OS is 32-bit or…

The pwgen program generates passwords which are designed to be easily memorized by humans, while being as secure as possible. Human-memorable passwords are never going to be as secure as completely completely random passwords. This tutorial explains how to install pwgen on Raspberry Pi. Use…

Vcgencmd is a useful command has multiple options to measure clock speeds, temperatures, voltages. It is built in and has many parameters Measure Clock Speeds Description Command Get Arm CPU core speed vcgencmd measure_clock arm Get GPU core speed vcgencmd measure_clock core Get H.264 block…

The Raspberry Pi has some built-in LEDs such as PWR and ACT. There may be reasons for this such as saving power (albeit not much) and to remove visual indicators in certain environments This tutorial explains how to turn off built-in LEDs on Raspberry Pi…

sysbench is a scriptable multi-threaded benchmark tool based on LuaJIT. It is most frequently used for database benchmarks, but can also be used to create arbitrarily complex workloads that do not involve a database server. Install Sysbench on Raspberry Pi sudo apt-get install sysbench Run…

Yes, it’s not April Fools day. A brand new Raspberry Pi board, lets take a look at this new board before delving into some of the specs and features that we know about. Features 2.4GHz quad-core 64-bit Arm Cortex-A76 CPU VideoCore VII GPU, supporting OpenGL…

If you have been following the Raspberry Pi news in the last couple of years you will be aware of massive shortages in hardware for various reasons, one disgusting thing that I have noticed in this time is scalping. scalping is the practice of using…

In this example we take a look at the TLV493D magnetic sensor to a Raspberry Pi 4   Description The 3D magnetic sensor TLV493D offers accurate three-dimensional sensing with extremely low power consumption in a small 6-pin package. With its magnetic field detection in x,…

In this example we take a look at the SHT40  Digital Humidity Sensor to a Raspberry Pi 4 This is the next generation of the SHT sensors series, we have had articles for other SHTXX sensors and now we move on to the 4th generation…

In this example we take a look at the LTR390 UV Light Sensor to a Raspberry Pi 4 Description This sensor converts light intensity to a digital output signal capable of direct I2C interface. It provides a linear ALS response over a wide dynamic range,…