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 …

I was recently asked to recommend a variety of arduino shields and boards for someone who wished to start learning but with a budget of only $30. Here are the boards and modules that I picked then I will explain …

VEML6040 color sensor senses red, green, blue, and white light and incorporates photodiodes, amplifiers, and analog / digital circuits into a single chip using CMOS process. With the color sensor applied, the brightness, and color temperature of backlight can be …

The VEML6075 senses UVA and UVB light and incorporates photodiode, amplifiers, and analog / digital circuits into a single chip using a CMOS process. When the UV sensor is applied, it is able to detect UVA and UVB intensity to …

Did you know that you can read the temperature from a DS3231 RTC – the DS3231 uses temperature compensation to calibrate the adjustable capacitors of its resonance circuit, in order to maintain time and date with accuracy The DS3231 is a …

We have just written an ebook and published it on the Amazon Kindle store, the topic of this ebook was looking at a variety of sensors with the Arduino IDE We have written this on the basis that you have …