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Astronomers Detect a Black Hole on the Move

“Scientists have long theorized that supermassive black holes can wander through space—but catching them in the act has proven difficult. Now, researchers at the Center for Astrophysics | Harvard & Smithsonian have identified the clearest case to date of a supermassive …

ASU scientists determine origin of strange interstellar object

“In 2017, the first interstellar object from beyond our solar system was discovered via the Pan-STARRS astronomical observatory in Hawaii. It was named ‘Oumuamua, meaning “scout” or “messenger” in Hawaiian. The object was like a comet, but with features …

ATtiny1614 Function Generator

“A tiny function generator built using the ATtiny1614 microprocessor and its internal Digital-To-Analog Convertor (DAC). The ATtiny1614 processor The ATtiny1614 is part of the new breed of ATtiny microprocessors. One of its features is a built-in Digital-to-Analog Convertor or DAC …

Automate Push Up Routine With ESP8266

“For most of us during lock down, we have been practicing a lot of exercises. Either its some stretching or some muscle building exercises. But one issue that I have faced personally is keeping track of my workouts. I was …

Characterizing the Raspberry Pi Pico ADC

“The RP2040 datasheet has a woefully underspecified Analog to Digital Converter, only 3 lines Compare this to the Digital IO Characteristics (Table 631); it has 18 lines! And ADCs have much more complexity and nuance than a Digital IO (however …

Custom Characters With Raspberry Pi Pico and LCD 16*2 Display

“Writing your own custom characters on an LCD display is fun, so i will teach you how to do it by yourself. Let’s begin. Supplies: Raspberry Pi Pico 16*2 LCD Display and its i2c adapter breadboard Some Jumper …

Dummy electronic Load v2.0

“Previous version of electronic load was good, but it had a small power dissipation capacity and without proper enclosure or display. So I decided to make a newer one in a grander scale. I am hands-on with electronics, but mechanical …

Easily check the accuracy of the RTC from the ESP32

“While looking for the accuracy of the ESP32 RTC, the idea came up to measure it and continue working with the data. The ESP32 should get the time from a time server via WiFi and compare it with the RTC …

ECG Analyzer Powered by Edge Impulse

“A TinyML based Medical device powered by Edge Impulse to predict Atrial fibrillation, AV Block 1 and Normal ECG with >90%. In a past decade, the sudden heart attack deaths were increased tremendously. Particularly in a developing nations like India …

ESP8266 ESC/POS Smart Thermal Printer

“The gear introduced here is a device that use a ESP8266 to print text that comes from a RESTful API or from an internal database to an ESC/POS thermal printer. The clue here is to build a device that …