Wiring the TELAIRE T6713 / T67XX a Carbon Dioxide CO2 sensor

This the Telaire T6713 / T67XX a Carbon Dioxide CO2 sensor for indoor air quality, energy saving application, control of ventilation, environmental purpose, farming, and clinical instrumentation. The T67XX is already factory calibrated sensor than can measure the concentration level

Wiring Sensirion i2C Air Flow Digital Differential Pressure Sensor

This is the SDP (Sensirion Differential Sensor) a series of digital differential pressure sensors suitable for high volume applications. This sensor measure the pressure of air and non-aggressive gases with advance accuracy and no offset drift. This series of sensors

Water/Liquid Level Data Logging on microSD and RTC

Another project that demonstrate how to build a low cost lake/pond water level logger sensor that can be deployed without an RF communication. however  this project works as  independent/standalone can be deployed on a remote area intended for science and

Wiring Panasonic PaPIRs PIR Pyroelectric Motion Sensor

PIR (Passive Infrared or Pyroelectric) Motion Sensor from Panasonic has industrial grade, highly reliable and precise and accurate sensor. The Panasonic PIR motion sensor has three series that suit your requirements. The Panasonic EKMB (WL) has a low current consumption