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In a previous post the sending of a single byte using I2C between a Raspberry Pi (master) running a Python 3.7 script and a microcontroller using Arduino libraries was described.  In this post a more useful template with multiple byte transfer is presented that demonstrates control of GPIO, ADC, PWM, and stored data.   Introduction   I have been thinking about building a robot that has Image Recognition using a Raspberry Pi but that is a full time task for a Raspberry Pi.  ...
This post demonstrates simple sending and receiving of data from a Raspberry Pi using Python 3.7 to a microcontroller using the Arduino libraries.  There is a follow-up post here that demonstrates multi-byte transfer and control of GPIO, ADC, PWM, and stored data on the microcontroller.   Introduction   I have been thinking about building a robot again and would like to be able to use Artificial Intelligence / Image Recognition.  The two leading candidates for the main proc ...
  WARNING: This blog involves high voltages around sensitive low-voltage devices. Take great care if you decide to try this for yourself.   Recently, I received a swag pack that included an UNO and a Blue Man so I thought I'd do a very short and simple experimenting-type blog that could, maybe, lead on to something seasonal.   Here they are, the BM and UNO, along with some of the components I'm going to use: a 2k7 resistor; an MPS42A transistor; a 10mH inductor; and a neon bulb ...

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