This is the BH1790GLC an Optical Hearth Rate Monitor Sensor developed by ROHM semiconductor. This sensor has an integrated optical and LED driver design to detect green light photo diode. This device drives LED and provides an intensity of light
Wiring 2N7000 AN10441 as Logic Level Converter for i2C Protocol Devices
Other micro-controller uses 5v as standard input voltage, many latest device modules, popular sensors, GPS, RF modules, Flash Memories, SPI storage, Display, use 3 to 3.3v most of this devices requires logic level conversion to protect them from high voltage
Wiring The pH (Power of Hydrogen) Ion Concentration Sensor with BNC Electrode Probe
pH (Power of Hydrogen) is the (-) negative log of hydrogen ion concentration in a water based solution described by Danish Biochemist Soren Peter Laurits Sorensen late 1909. pH has it value of 0 (ACID) and 14 (BASIC) in a
Wiring the PN532 (NFC) Near Field Communication Devices with Microcontroller
NFC (Near-field communication) is a protocol that enable 2 devices to communicate typically smart phone device and NFC tags / devices to establish communication by getting them together range of 4 cm at 1.6 inch defends of usage and antenna
Wiring Flex Sensor with Multiple Servos on Microcontroller
This is the Flexible Sensor/ Flex Sensor. This sensor works on resistance across the sensor when the sensor bend the resistance of the sensor increase the same characteristics on potentiometer / variable resistors. This sensor works on 5v it read
Wiring the MLX90614 Infrared Contactless Temperature Measurement Sensor on Microcontroller
This Is an Infrared thermometer a non-contact temperature measurement sensor develop by Melexis microelectronics integrated system, code name MLX90614. The MLX90614 has thermopile detector chip and the signal conditioning ASSP are integrated in a low noise amplifier, 17 bit ADS
Wiring the PCF8591 Digital to Analog Conversion with Microcontroller
This is the PCF8591 a single chip single supply, low power 8bit CMOS data acquisition device with four analog inputs. 1 analog output and i2c Serial communication bus interface that allows the connection to be connected in series integrated bus
Wiring the MAX30100 Heart Rate Monitor with Arduino Microcontroller
This is the MAX300100 breakout board that reads heart rate or pulse oximetry. The chip has an integrated optical sensor that derives its reading from emitting two wavelength of light from the two LED’s then measures the absorbance of pulsing
Wiring the ML8511 Ultra Violet Light Sensor on Microcontroller
This is the ML8511 Ultra Violate Light Sensor, which is suitable for acquiring UV intensity indoor or outdoor. The ML8511 equipped with internal amplifier which converts photo-current to voltage depending on UV intensity, and offers you an easy interface to
Wiring the MPU9250 9 AXIS Motion Tracking Micro Electro Mechanical System
The MPU925 is a motion tracking device or MEMS (Micro Electro Mechanical System). A SIP (System in a Package) combining two components the MPU6500 & AK8963. The MPU6500 which is contains 3 axis gyroscope, 3 axis accelerometer, and onboard digital
Wiring Reed Switch Module with Arduino Microcontroller
On this illustration we will going to wire the Reed Switch Module. This module provides an analog as well as digital interface, as you can see on the board it has a potentiometer / trimmer used as a pull up
Wiring the Heartbeat Measuring Sensor on Arduino
In this illustration we will going to wire the heart beat measuring module. This module compose of two devices, the IR LED and the Photo Transistor to detect the pulse of the finger, when the module detect a Heartbeat it