ePanorama.net

All about electronics and circuit design

Radar motion detector

I needed a motion detector for Arduino. I saw a cheap Microwave Radar Induction Switch Human Motion Sensor Module at DX (similar also available at Banggood at pack of 5). It advertises High Sensitivity for Arduino, Long Sensing Distance, Wide Sensing Angle for Detecting Moving Objects. Using this is a microwave sensor module that specifically

Finding the right power supply technology for your design | EDN

https://www.edn.com/design/power-management/4460362/Finding-the-right-power-supply-technology-for-your-design In 2016, each person on the planet purchased an average of 111 semiconductor chips or integrated circuits. As the number of chips climbs, so does the need for greater power, space, and cost efficiency. In response, power device manufacturers have continued to evolve silicon-based technologies and develop new, wide bandgap materials such as gallium-nitride

Friday Fun: All The Simpsons Predictions That Came True | Time

http://time.com/4667462/simpsons-predictions-donald-trump-lady-gaga/ With 28 seasons and counting on the air, The Simpsons is undeniably a television phenomenon. In fact, throughout its more than 600 episodes, creator Matt Groening and his team have been so on top of the country’s cultural pulse, they’ve even managed to predict several major historical events — along with a few less

13 Companies announce NB-IoT Chips | Creative Connectivity

http://www.nickhunn.com/13-companies-announce-nb-iot-chips/ With thirteen different companies bringing chips to market, that’s an investment of around $200 million. Add to that the costs of the standardisation process, infrastructure development and initial market trials and it’s clear that somewhere between $500 million and $1 billion has already been spent on getting NB-IoT to the point where it is

Motor protector teardown

Here is GE MT03M motor protector: Contactor, Miniature, Overload Relay, 5.5-8.0A Range • Control circuit up to 690V • Power circuit up to 690V • Three-pole differential (phase unbalance protection) • Automatic ambient temperature compensation between – 25ºC and + 60ºC • Choice of manual or automatic reset • Direct connection to contactor or independent

The day that changed your phone forever | TechCrunch

https://techcrunch.com/2018/03/06/a-day-that-changed-your-phone/ It’s the 10-year anniversary of the original iPhone SDK. I don’t think it’s an understatement to say that this release changed a lot of people’s lives. iPhone at the end of June 2007 was a glimpse of the future. A couple of months later, the entire native app experience was unlocked.

How GDPR Will Change The Way You Develop — Smashing Magazine

https://www.smashingmagazine.com/2018/02/gdpr-for-web-developers/ Europe’s imminent privacy overhaul means that we all have to become more diligent about what data we collect, how we collect it, and what we do with it. In our turbulent times, these privacy obligations are about ethics as well as law. Web developers have a major role to play here. After all, healthy