An ECG patch with HRV monitoring that's open source, affordable, and Wi-Fi/Bluetooth connected. HeartyPatch is a completely open source, single-lead, ECG-HR wearable patch with HRV (Heart Rate Variability) analysis. It is based on the popular ESP32 system-on-a-chip. By using low-cost,...

REFLO is a stylish, portable reflow oven for creators and makers to easily, quickly, and professionally prototype their IoT device, wearable, small robot, etc. REFLO’s features: Portable at only 6” x 6” x 2” - it’s the worlds smallest reflow oven Efficient as it...

A team of medical and bioengineering undergraduates from McMaster University, Canada have designed a cancer detection device able to detect melanoma. Their design solution, the sKan, is a low cost and non-invasive detection device. Annually, skin cancer accounts for 1 in every 3 cancer...

This project is simple solution to power Arduino Nano from two 1.5V batteries. Circuit converts 2 X AA alkaline battery power into 6V 100mA using boost topology. Circuit uses SOT223-6 pin TLV61046A boost converter IC. The TLV61046A is a highly integrated boost converter designed for...

David Johnson-Davies @ technoblogy.com has a nice guide on how to program ATtiny10 6-pin mcu using the arduino IDE. Programming is done using the widely available USBasp programmer from Thomas Fischl. Examples are also included on the guide. Unlike the SPI protocol used to program the...

Elizabeth Bustamante @ snapeda.com compiled a list the top 10 humidity sensors available today. Most of the sensors on the lists are from Honeywell, but surprisingly the top sensor comes from Sensirion. She writes: Air humidity is an important factor to consider when designing an...

Developers can implement simple sensing functions with TI’s lowest-cost microcontroller family Texas Instruments (TI) on November 10, unveiled its lowest-cost ultra-low-power MSP430 microcontrollers (MCUs) for sensing applications. Developers can now implement simple sensing...

Our friends at educ8s.tv uploaded a new tutorial on their youtube channel. It's about an ESP32 web server along with MBE280 sensor. Welcome to another ESP32 video tutorial! In this video, we are going to build a simple HTTP Web Server on an ESP32 board with a BME280 sensor. We are also...