This project is intended for implementing a low cost proximity/motion data logger, useful device that can be used on environmental / animal scientific research for school/university studies. However the goal of this project is to build an open source that
Wiring PCA9685 16-Channel/12Bit PWM i2C Bus Controller
This is the PCA9685 develop by XMP semiconductor. The PCA9685 is an i2C / TWI bus controller capable of driving 16 channels PWM controller. Suitable for driving servos and LED. Each LED output has its own 12-bit resolution at 4096
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
Wiring LM393 as Steam, Water Vapor, Moisture Sensor
This is a steam sensor which is can sense a rain drops, steam or water vapor suitable of IOT project. The illustration below use LM3XX as differential comparators that drives the difference between the two inputs. The LM3XX device is
Wiring DRV8880 2A Stepper Motor Driver With AutoTune
The DRV8880 is a 2A stepper motor driver with integrated auto tune, support STEP/DIR interface up to 1~16 micro stepping indexer that runs on 6.5 to 45v range. These device can be use in Automatic Teller, Money Handling Machine, Security
Wiring TI DRV8833 H-Bridge DC/Stepper Motor Driver
The DRV8833 is almost similar to DRV8871 it has also H-Bridge current control motor driver and also can drive a DC Motors and 1 Stepper Motor, solenoids, or other inductive loads. The difference between DRV8833 and DRV8871 is pin configuration
Wiring TI DRV8871 Brushed Motor Driver with PWM Sense
The Texas Instruments DRV8871 is a 3.6A brushed DC motor driver with internal current sense / pulse with modulation control. This device is suitable use for printers, industrial equipment’s, mechatronics, appliances, etc. This device as 2 logic input to control
Sending Queues with FreeRTOS on ESP32 / ESP32S
RTOS (Real Time Operating System) is a computer program that supports basic functions, services or applications that runs on real time environment. RTOS is not a big data size of operating system and it is not design to runs on
Wiring SenseAir LP8/S8 CO2 Carbon Dioxide NDIR Sensor
These are the SenseAir Miniature (Carbon Dioxide) CO2 Sensor featuring a non-dispersive small package infrared (NDIR) sensor, a new optical design that enable a precise and accurately measures carbon dioxide level up to 5% that runs on 30mA design for
Wiring LuminOx O2 / Oxygen RS232 Optical Sensor
This is the LuminOx O2 (Oxygen) RS232 TTL driven sensor a high accuracy fluorescence based optical sensor series, design and develop by SST sensing. This device is capable of detecting and measuring ambient oxygen partial pressure PP02 level using the
Flashing Bootloading STM32 / ARM with microPython
microPython is efficient programming language base to Python 3 its includes a small subset of Python typical library and enhanced to run on microcontroller and contained environments, common in many micro controllers such as Teensy, pyCom, micro:bit, pyBoard, STM, x86,
MAXREFDES131# MAXIM Integrated Grid-Eye IR Array Sensor
This is the MAXREFDES131 an IR array sensing device solution module. This device is mainly driven by 2 components onboard, the Panasonic AMG8833 Grid-Eye and Maxim (DS28E17) a 1 wire-to-i2c master bridge and a dual channel addressable switch along with