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Drive up to 3 stepper motors on Atmega using "stepper02" library 01
A stepper motor is a brushless DC electric motor that divides a full rotation into a number of equal steps.Stepper02 is an AVR Atmega stepper motor library that can drive up to 3 motors having...
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Drive multiple (up to 12) stepper motors on Atmega using 74hc595 and...
A stepper motor is a brushless DC electric motor that divides a full rotation into a number of equal steps.Stepper04multi is an AVR Atmega stepper motor library.Stepper04multi can run multiple stepper...
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Reading Temperature and Humidity on AVR Atmega using DHT11 library 01
updated version: http://davidegironi.blogspot.it/2013/02/reading-temperature-and-humidity-on-avr.htmlThe DHT11 is a basic, low-cost digital temperature and humidity sensor. It uses a capacitive...
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Reading temperature on AVR Atmega using a thermistor with NTCtemp library 02
This library is an update to ntctemp 01, look here for info:Â http://davidegironi.blogspot.it/2012/06/ntctemp-simple-avr-library-to-read.htmlA thermistor is a type of resistor whose resistance varies...
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Measure light (lux) with LDR on AVR Atmega using LDR library 01
A photoresistor or light dependent resistor (LDR) is a resistor whose resistance decreases with increasing incident light intensity; in other words, it exhibits photoconductivity.The lux (symbol: lx)...
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a Python script to fetch one COSM datastream v0.1
This is a simple Python script to fetch one COSM / pachube datastream.Cosm is a secure platform for Internet of Things devices and products. Its API and web service provide real-time control and data...
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Accellerometer calibration helper 01, for AVR Atmega, Arduino and other micro
An accelerometer is a device that measures proper acceleration.Almost every accellerometer chip has to be calibrated, because every device brings a manufacturing error.In case of accellerometer the...
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Gyroscope calibration helper 01, for AVR Atmega, Arduino and other micro
A gyroscope is a device for measuring or maintaining orientation, based on the principles of angular momentum.Almost every gyroscope chip has to be calibrated, because every device brings a...
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Magnetometer calibration helper 01, for AVR Atmega, Arduino and other micro
A magnetometer is a measuring instrument used to measure the strength and, in some cases, the direction of magnetic fields.A compass is a navigational instrument that measures directions in a frame of...
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AVR Atmega L3G4200D gyroscope library 01
The L3G4200D is a low-power three-axis angular rate sensor able to provide unprecedented stablility of zero rate level and sensitivity over temperature and time.This library implements a way to get...
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AVR Atmega HMC5883L magnetometer lib 01
The Honeywell HMC5883L is a surface-mount, multi-chip module designed for low-field magnetic sensing with a digital interface for applications such as lowcost compassing and magnetometry.This library...
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AVR Atmega MPU6050 gyroscope and accellerometer lib 01 + processing
Updated to version 02The MPU-6050 has an embedded 3-axis MEMS gyroscope, a 3-axis MEMS accelerometer, and a Digital Motion Processor (DMP) hardware accelerator engine with an auxiliary I2C port that...
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Reading Temperature and Humidity on AVR Atmega using DHT11 or DHT22/AM2302...
Updated to version 03The DHT11/22 are a basic, low-cost digital temperature and humidity sensors. They uses a capacitive humidity sensor and a thermistor to measure the surroundingair, and spits out a...
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Light intensity (LUX) measure using BH1750 sensor with an AVR Atmega library 01
This is a BH1750 light intensity sensor module with built-in a 16 bit AD converter generating digital signal. With the BH1750 Light Sensor intensity can be directly measured by the luxmeter, without...
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AVR Atmega 10dof IMU attitude estimation using Mahony filter + processing
Updated to version 02This is a 10DOF (Degrees of Freedom) AVR Atmega libray.An inertial measurement unit, or IMU, is an electronic device that measures and reports on a craft's velocity, orientation,...
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Controlling DC Motor speed and direction with AVR Atmega
A DC motor is a mechanically commutated electric motor powered from direct current (DC). The stator is stationary in space by definition and therefore so is its current. The current in the rotor is...
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AVR uartConfig - an atmega and arduino eeprom config library
AVR uartConfig is a small footprint library you can use to config your micro eeprom through uart communication.AVR uartConfig is a set of tools running on Windows, Linux and Mac, made up or:a avrgcc...
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PCF8574 GPIO expander library for AVR Atmega - v01
The PCF8574 is a silicon CMOS circuit. It provides general purpose remote I/O expansion for most microcontroller families via the two-line bidirectional bus (I2C-bus).PCF8574 lib is an AVR Atmega...
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AVR Atmega dehumidifier controller board
Updated to version 1.0.4Suddently my dehumidifier stop working, the original humidity switch get broken, it was a mechanical hygrometer, based on a thin transparent strip that react to humidity and...
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A simple 8x8 led matrix library for AVR Atmega
This library implements a simple 8x8 led matrix for AVR Atmega.It uses 16 output ports for the full 8x8 led matrix, but it can be reduced to a smaller matrix, using less ports.This library was...
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