Unhappy with a headlight modulator I purchased, I decided to make my own. Even though it would be a trivial programming project to use an Arduino Teensy or similar to do this, I decided to do it the “old fashioned” way, using a 555 timer. The 555 is a clever chip; not only will it […]
$120k Flooding-Mesh Protocol: the Duo can join as a node and also be a Wi-Fi gateway for the whole mesh network. Please check our Update #4 for more information and how to help us & our backers to reach the goal. $50K Python Support: we will add a Python interpreter $100K Dev Apps: for both
RedBear Duo: A small and powerful Wi-Fi + BLE IoT board Continue Reading
Although scientists are still working toward replacing lithium-ion (Li-ion) batteries with lithium-air (Li-air), or lithium-oxygen, batteries, researchers at the University of Cambridge have developed a lab-based demonstrator of such a battery. It is safe to say we still have another decade before we can begin to utilize such powerful batteries as scientists work to make
One year ago some personal problems forced us to interrupt our hobby work, but fortunately we are back and we found some time to develop new ideas, projects and writings. At this moment we are starting the first feasibily testing of an innovative 3D printing method that we’ve named Resin Deposition Modelling (RDM). Personally I
This project will help you create a temperature monitor using an ESP8266 SoC and a temperature sensor (DS18B20) with next capabilities: Measure Temperature Send an email if temperature goes under a threshold Monitor temperature and set threshold from a mobile App To complete this project you will have to create three things Hardware – Basically
Introducing the Mobilinkd Bluetooth APRS® TNC. With your radio, your Android phone and this TNC, you have everything you need to get started with APRS — all at a fraction of the cost of a dedicated APRS® radio, and with a better user interface than any APRS® HT on the market. Why a Mobilinkd TNC?
About LASARRUS LLC., is family run business that is focused on providing a state-of-the-art clinic for rehabilitating patients suffering from post-stroke trauma or joint injuries of the upper extremities, while performing research and development on new and innovative robotic devices for robotic-assisted therapy. About this Project: We at LASARRUS Clinic and Research Center are looking
Mango: A Compact Size FPGA Research Platform Continue Reading
In this tutorial we will show how to build WiFi internet connected switch connected to EasyIoT Cloud. We will use ESP8266, solid state relay and Arduino IDE. Switch can be controlled by WEB application, native Android application or button. Improved version of this switch can be found here: https://www.instructables.com/id/ESP8266-5-Internet-Connected-Switch-Improved/ This internet switch is “plug and
When designing circuits, many hobbyists take capacitors for granted – but each type (ceramic multi-layer, aluminum electrolytic, tantalum, mica…) has its own unique properties. Nowadays, ceramic capacitors are the most commonly used capacitors in the industry, but many can lose up to 80% of their rated capacitance near their voltage ratings. Enter the OpenCVMeter! This
The ARC was designed to bridge the gap between high-end sound quality and the world of digital music. This ultra-compact system provides high-resolution USB audio and high quality aptX Bluetooth audio for an astonishingly detailed sound. Fully integrated with the latest in class-D amplifier technology, the ARC is a complete high-end digital audio system. For
