In this article we look at a digital geomagnetic sensor – this time its the BMM150 BMM150 is a low power and low noise 3-axis digital geomagnetic sensor to be used in compass applications. The 12-pin wafer level chip scale …

In this article we look at a pressure sensor – this time its the LPS25H The LPS25H is an ultra-compact absolute piezoresistive pressure sensor. It includes a monolithic sensing element and an IC interface able to take the information from …

In this article we look at a BH1745NUC Luminance and Colour Sensor and connect it to an Arduino The BH1745NUC is digital color sensor IC with I²C bus interface. This IC senses Red, Green and Blue light (RGB) and converts them …

Another expensive visit to Aliexpress made me find this sensor listed by one of the vendors – it is a BMP388 by Bosch Sensortec, so lets crack on and try this out with an Arduino Uno again On with the …

In this article we look at yet another humidity and temperature sensor from TI – this time its the HDC2080 which we will connect up to an Arduino Uno Lets look at some of the technical information and data from …

In this article we look at an electret microphone which uses a MAX4466 op amp – you can buy these max4466 modules Lets look at what Maxim say about the MAX4466 The MAX4465–MAX4469 are micropower op amps optimized for use as …

In this article we look at an FSR from Open Smart – here is the information I have found on this module FSRs are basically a resistor that changes its resistive value (in ohms Ω) depending on how much it …

In this example we look at a MICS 5524 gas module The MiCS-5524 is a robust MEMS sensor for indoor carbon monoxide and natural gas leakage detection; suitable also for indoor air quality monitoring; breath checker and early fire detection. Detectable …

In this example we look at the CJMCU-1010 module – this is based on the AT42QT101x The AT42QT101x Single Key capacitive touch controller family provides an easy way to add a touch key to any application. It implements advanced filtering algorithm to …

In this example we look at the ISL29125 RED, GREEN and BLUE color light sensor Here is some info about the sensor The ISL29125 is a low power, high sensitivity, RED, GREEN and BLUE color light sensor (RGB) with an I2 C (SMBus …

In this example we look at the CJMCU-0401, this is the module in question its a 4-bit Button Capacitive Touch Proximity Sensor With Self-locking Function Description: CJMCU-0401 is a touch IC designed with capacitive sensing principle. Its stable sensing method …

I have used many temperature sensors in my time using Arduino’s and other microcontrollers, in this article let’s look at some of the options that are available, we will also have links to example code or articles of the sensors …