Seven segment LED displays have been a popular component in electronics projects for decades. Although…
Browsing: Interfaces
The Raspberry Pi GPIO pins work with 3.3V logic levels and are not 5V tolerant.…
Once I got my miniature OLED display working on the Raspberry Pi I decided to…
Miniature OLED display modules are a great way to add a small screen to your…
Changing the default I2C bus speed on the Raspberry Pi can help improve the performance…
RC522 RFID modules are a simple add-on you can connect to a Raspberry Pi to…
The Raspberry Pi has a 1-wire bus which can be enabled on GPIO4. It provides low-speed…
This summer I created a pool temperature monitoring and pump control system using a Pi…
The BME280 device is a digital barometric pressure sensor and is a slightly upgraded version…
7 segment displays are a well established way of electronically displaying numbers and a small…
Following on from my Basic Temperature Logging To The Internet With Raspberry Pi article I decided to…
Following on from RobotSentry – Home Security System – Part 1 this is the second…
Back in 2012 the Raspberry Pi caught my eye because I wanted to make a…
There are plenty of examples out there of temperature logging systems but I wanted to…
While your Pi is connected to a network it will be able to set it’s…
In previous posts I’ve covered using HD44780 16×2 and 20×4 LCD screens with the Raspberry…
The BMP180 device is a digital barometric pressure sensor. This is available on a small…
The BH1750 device is a digital light sensor which uses the I2C interface. This allows it…
I2C is a multi-device bus used to connect low-speed peripherals to computers and embedded systems. The…
The Raspberry Pi has an SPI (Serial Peripheral Interface) bus which can be enabled on…
In How To Use A MCP23017 I2C Port Expander With The Raspberry Pi – Part…
In How To Use A MCP23017 I2C Port Expander With The Raspberry Pi – Part 1…