• lechacal (25)in #arduino • 7 years ago

  Arduino: Replace digitalWrite for 25x faster execution

  The digitalWrite() function in arduino can be replaced with a faster command called _BV(). Execution of _BV() is found to be 25 times faster than digitalWrite(). For example…

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• lechacal (25)in #steppermotor • 7 years ago

  Operating a stepper motor with manual control

  For the human interface with Stepper Motors we have designed two solutions. The StepperControlV3 and the StepperUNO. Both of them have buttons and potentiometer for physical…

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• lechacal (25)in #openwrt • 7 years ago

  Mesh Networking with OpenWRT

  Do you have a bunch of wifi routers? You could built a mesh network with them. Which means they communicate each other to make sure that a message (or packet) from one end get to…

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• lechacal (25)in #energymonitoring • 7 years ago

  Building a SMART METER using open source devices.

  If you are looking to monitor your home energy usage using open source component lechacal.com has built it. ( Many solutions are offered to record electrical usage but most…

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