In previous examples we have had various temperature sensors, most of these will display the humidity and the temperature in celsius but it is easy with a few calculations to add support for other useful data these should be self …

The L3GD20 is a low-power three-axis angular rate sensor. This is the module I bought for reference Key Features Three selectable full scales (250/500/2000 dps) I2 C/SPI digital output interface 16 bit-rate value data output 8-bit temperature data output Two …

The ADS1015 is a precision analog-to-digital converters (ADCs) with 12 bits of resolution offered in an ultra-small, leadless QFN-10 package or an MSOP-10 package. The ADS1015 are designed with precision, power, and ease of implementation in mind. The ADS1015 features an …

  The ADXL345 is a small, thin, low power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16g. Digital output data is formatted as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or …

The NXP® MMA8451Q is a low-power, three-axis capacitive accelerometer with 14 bits of resolution, featuring: Embedded functions with flexible user-programmable options, configurable to two interrupt pins Embedded interrupt functions for overall power savings relieving the host processor from continuously polling …

This is a simple example for an RF transmitter and reciever, these come in a couple of flavours the pair I had  operate at 315Mhz. These modules are readily available and look like this Specs RF  Receiver 1. Product Model: MX-05V 2. …

This shows how to add ethernet support to an Arduino using a Wiznet 5100 module, this is similar to the Ethernet shield that is commonly used but this module is a little bit more compact which may be an advantage …

A rotary encoder, also called a shaft encoder, is an electro-mechanical device that converts the angular position or motion of a shaft or axle to an analog or digital code. There are two main types: absolute and incremental (relative). The …

The Si4702/03 integrates the complete tuner function from antenna input to stereo audio output for FM broadcast radio reception The Si4703-C incorporates a digital processor for the European Radio Data System (RDS) and the US Radio Broadcast Data System (RBDS) …

The TCS3200 and TCS3210 programmable color light-to-frequency converters that combine configurable silicon photodiodes and a current-to-frequency converter on a single monolithic CMOS integrated circuit. The output is a square wave (50% duty cycle) with frequency directly proportional to light intensity …

A Hall effect sensor is a transducer that varies its output voltage in response to a magnetic field. Hall effect sensors are used for proximity switching, positioning, speed detection, and current sensing applications. In its simplest form, the sensor operates …

Another sensor and this one goes by the title of a Ky-032 Infrared Obstacle Avoidance Sensor Module Basically its an IR emitter and receiver, the receiver detects when an obstacle has been placed in the beam of the IR emitter …