Category Archives: microcontroller

Sparklines For Your ESP32 Projects

On a typical microcontroller project we may only have access to a relatively tiny screen. Information display can be a challenge, but it’s one that may be made easier by [0xPIT]’s ESParklines library for Espressif processors using the Arduino framework.

A sparkline is a simple line graph without annotations (like …read more

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Posted in ESP32, microcontroller, Microcontrollers, sparkline | Leave a comment

A Soft Robotic Insect That Survives the Fly Swatter

Swarms of robotic insects incapable of being swatted away may no longer be the product of science fiction and Black Mirror episodes. A team from EPFL’s School of Engineering has developed an insect propelled at 3 cm/s, dubbed the DEAnsect.

What makes this robot unique is its exceptional robustness. Two …read more

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Posted in microcontroller, research, robotic insect, robots hacks | Leave a comment

Simplified AI on Microcontrollers

Artificial intelligence is taking the world by storm. Rather than a Terminator-style apocalypse, though, it seems to be more of a useful tool for getting computers to solve problems on their own. This isn’t just for supercomputers, either. You can load AI onto some of the smallest microcontrollers as well. …read more

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Posted in ai, artificial intelligence, Espruino, gesture, microcontroller, Microcontrollers, open source, tensorflow, watch | Leave a comment

A Self-Expanding PWM Driver

For smaller microcontrollers, having enough outputs for the job is sometimes a challenge. A common solution is to do some sort of multiplexing with the available outputs or perhaps something more advanced such as Charlieplexing, but another good option is to use a specialized driver board. What’s even better is …read more

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Posted in driver board, ESP32, headers, inputs, led, microcontroller, Microcontrollers, multiplexing, outputs, shield, trick | Leave a comment

Weather Station Gets Much-Needed Upgrades

Weather stations are a popular project, partly because it’s helpful (and interesting) to know about the weather at your exact location rather than a forecast that might be vaguely in your zip code. They’re also popular because they’re a good way to get experience with microcontrollers, sensors, I/O, and communications …read more

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Posted in microcontroller, Microcontrollers, rain, sensors, sparkfun, update, weather station, Wemos, wemos d1 mini, wind | Leave a comment

Creating a Bode Analyzer from a Microcontroller

Electrical engineers will recognize the Bode plot as a plot of the frequency response of a system. It displays the frequency on the x-axis and the phase (in degrees) or magnitude (in dB) on the y-axis, making it helpful for understanding a circuit or transfer function in frequency domain analysis. …read more

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Posted in bode plot, Engineering, high pass filter, microcontroller, Microcontrollers | Leave a comment

Beam Me Up to the PCB Space Ship

This project would fit in perfectly with #BadgeLife if someone could figure out a way to hang it from their neck. Inspired by Star Trek’s Starship Enterprise, [bobricius] decided to design and assemble a miniature space ship PCB model, complete with 40 blinking LEDs controlled by an ATtiny85.

While the …read more

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Posted in 2019 Hackaday Prize, Hackaday Prize, leds, microcontroller, Microcontrollers, pcb | Leave a comment

Punch Through Switches Gears, Shucks Beans

Do you own a LightBlue Bean or Bean+ from Punch Through? If you don’t have one now, you probably never will, as the company has recently announced they’re no longer selling or supporting the Bluetooth Low Energy microcontrollers. The company says that after selling more than 100,000 Bean devices, the …read more

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Posted in ble, discontinued, Lightblue, LightBlue Bean, microcontroller, Microcontrollers, news, Punch Through | Leave a comment

Machine Learning with Microcontrollers Hack Chat

Join us on Wednesday, September 11 at noon Pacific for the Machine Learning with Microcontrollers Hack Chat with Limor “Ladyada” Fried and Phillip Torrone from Adafruit!

We’ve gotten to the point where a $35 Raspberry Pi can be a reasonable alternative to a traditional desktop or laptop, and microcontrollers in

…read more

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Posted in ai, arduino, cnn, Interviews, machine learning, magine learning, microcontroller, model, Raspberry Pi, tensor flow | Leave a comment

Everything You Want To Know About The Cheapest Processors Available

Those of us who use microprocessors in our work will be familiar with their cost, whether we are buying one or two for a project or ten million on reels for a production run. We’re used to paying tens of cents or maybe even a dollar for a little microcontroller …read more

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Posted in CPU.MCU, microcontroller, parts, terrible processor | Leave a comment