I want to see when my motors are jammed and consuming high current. But where, exactly, do I put this current monitoring resistor?Read More
Arduino is an excellent prototyping platform. It is wonderful for its ease of use and speed with which to get started. I'm happy to say lots of good, heartfelt things about the whole Arduino ecosystem.
But don't ask me to use it in products.Read More
In a previous post, Andrei discussed the switch statement. In this post, he gives a more indepth review of switch and then deeply dives into the default case.
Rather than just leaving it out, default can be used to detect the impossible. Read on to handle whoopses, neutrino hits, and beer. And remember, be assertive, but be kind to your future self.Read More
In this post, Andrei's 50th (yay), we start looking at electric current. First a crappy explanation of what current is, then a few examples of current draw to give a feel of current scale. Finally, an experiment.
Next week we'll apply this to LEDs and our processors. Stay tuned.Read More
This week Andrei presents a pin 1 spotting guide. Chips, circuit boards, and connectors are all numbered, and this is your guide to figuring out what on your schematic is where on a circuit board.
Plus Penguin music.Read More
This week, we take a look at the firmware involved in using the SPI bus. From the function calls to control the select pin then send out some data via the SPI bus, the form and specifics of the command structure for an accelerometer, and then we get some data flowing.
Busted data sheets, 16-bit values, and right handed chips - how can you pass this up?Read More