An open, software-defined Emergency Alert System platform — the kind of infrastructure that used to cost $5,000–$7,000 per appliance, now running on a $80 Raspberry Pi at roughly 12 watts. EAS ...

Explore ham radio and Arduino in this video about “Arduino for Radio Applications” by Glenn Popiel, a must-have guide unlocking many possibilities. In this new video from Elektor, we bring together ...

支持在大部分已实现getUserMedia的移动端、PC端浏览器麦克风录音、实时处理，主要包括：Chrome、Firefox、Safari、iOS 14.3+、Android WebView、腾讯Android X5内核(QQ、微信、小程序WebView)、uni-app(App、H5 ...

Here we discussed the step-by-step guide to building Cellphone Operated Land Rover Without Microcontroller. Mobile robots have the capability to move around in their environment and are not fixed to ...

Let me give brief intro to these RF modules before getting into the project. The term RF stands for “Radio Frequency”. A RF transceiver module will always work in a pair that is it needs a Transmitter ...

Conventionally, wireless-controlled robots use RF circuits,which have the drawbacks of limited working range, limited frequency range and limited control. Use of a mobile phone for robotic control can ...

In present time almost all the people are familiar with robots. Robots play a very important role in human life. Robots are a machine which reduces the human efforts in heavy works in industries, ...