Unless you happen to be from Finland, this is just an all too familiar situation: you’re stuck in an inescapable situation with this one person who is really more of an acquaintance than a friend, and neither of you knows who should say something in hopes of keeping a conversation going. Awkward silence is inevitable, […]
EAVESDROPPING ASSISTANT DISTURBS THE SOUND OF SILENCE Continue Reading
It’s one thing to be able to transcribe music from a flute, and it’s another to be able to make a flute play pre-written music. The latter is what [Abhilash Patel] decided to pursue in the flute player machine, an Arduino-based project that uses an air flow mechanism and PVC pipes to control the notes produced
AN ARDUINO-BASED FLUTE PLAYING MACHINE Continue Reading
How do you clean the residual flux off your boards? There are plenty of ways to go about the job, ranging from “why bother?” to the careful application of isopropyl alcohol to every joint with a cotton swab. It seems like more and more people are turning to ultrasonic cleaners to get the job done,
HOW SAFE IS THAT ULTRASONIC BATH FOR FLUX REMOVAL? Continue Reading
I built this a short while ago as an idea to use in a primary classroom setting. Poster displays are often used by primary teachers wanting to control the noise levels in their classrooms but I wanted to add technology to make it dynamic and responsive. The motivation for this came after seeing the Adafruit
VU Meter – LED Noise-o-Meter for Classrooms Continue Reading
The 3.5mm phone jack is a well-established standard in the audio industry and continues to get strong support from users in the market. Originally invented in the 19th century for telephone switch boards, it made its way into mobile phones, tablets, and personal computers to connect audio and communication headsets for phone calls or simply
Data-rich 3.5mm jack vies with USB-C for headsets Continue Reading
Arduino’s Nano line will soon welcome four new products. They’re all small boards like the classic one, making Nano a family of small boards meant for compact projects. All the new boards boast low energy consumption and processors more powerful than what the classic has. Even better, they’re all pretty affordable: the most basic entry called Nano Every,
Arduino’s new Nano board family is more powerful and affordable Continue Reading
Features 3V and GND connections can be made from either side and allow you to power a second board such as the MonkMakes Relay Board or MonkMakes Speaker. LED ‘power on’ indicator Reverse polarity protection All three sensors are analog and can be connected to pins P0, P1 and P2 using alligator clips. Getting Started Connecting
Sensor Board For Micro:Bit Continue Reading
Kontron’s pITX-iMX8M motherboard features NXP’s dual or quad core CPUs based on the Arm Cortex-A53 architecture with up to 1.5 GHz. The Cortex M4 coprocessor and full 4K UltraHD resolution make the board the perfect foundation for sophisticated applications. It offers enhanced connectivity through two Gigabit Ethernet interfaces as well as superior graphics performance. Thanks to its
KONTRON SBC PITX-IMX8M FOR 4K UHD GRAPHICS PERFORMANCE Continue Reading
Hi guys, during the last few weeks, I’ve been working on reconnecting with my love for the guitar. Playing the box guitar was how I relax few years back before the saxophone took over. Going back to the guitar, after 3 years of rarely strumming a chord, I discovered amongst other things that I
Arduino Based Guitar Tuner Continue Reading
I made surprisingly good ECG from a single op-amp and 5 resistors! An ECG (electrocardiograph, sometimes called EKG) is a graph of the electrical potential your heart produces as it beats. Seven years ago I posted DIY ECG Machine on the Cheap which showed a discernible ECG I obtained using an op-amp, two resistors, and a capacitor outputting to a PC sound card’s
DIY ECG with 1 op-amp Continue Reading
