Useful articles on circuits, systems and Microcontrollers
Here are some useful articles on electronics and microcontrollers.
PIC micro programming methods.
Digital I/O expansion methods.Frequency
counter techniques: Direct and Reciprocal counting methods.
Simple multitasking method (works for 12F675 and larger).
Microcontroller Debugging methods (also general debugging methods).
Hardware interrupts - a short introduction.
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Recent Articles
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ACS712 secrets...
Using the ACS712 to measure high current
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ACS758 secrets...
Using the ACS758 to measure very high current
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INA219: A voltage and current sensing chip using I2C
INA219: How to use the INA210 for maximum accuracy in current and power measurements
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Arduino Current Sensors: A selection of useful sensors for low and high power applications
There are several Arduino Current Sensors from the INA219 that can measure 3.2A with a 100uA resolution, to hall effect devices that can measure kW within mains voltages
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How to Use the MAX7219 to drive an 8x8 LED display Matrix on the Arduino.
The Essential Guide to the MAX7219; What it is and how you can easily use one in any of your projects.
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How to use the MCP23017 I/O Expander on the Arduino
How to use the MCP23017 to increase your I/O by 16 pins (or more) and use its interrupt system.
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