RF Solutions is offering an RF remote-activation system allowing up to four 5A-rated relays to be controlled from a range of 200 metres. The radio-receiver/relay ...

Remote control of field robots usually becomes difficult when the robots go beyond obstacles, such as thick walls, buildings, forests, or mountains, due to loss of line-of-sight radio propagation.

In this paper, the authors develop a system to control the relay circuit of an embedded system via the android smart phone. The user accesses the security system via tablet or any portable devices.

Members can download this article in PDF format. In this design idea, you will learn how to interface two PIC microcontrollers using a wireless 433-MHz RF transmitter/receiver pair to control up to ...

ESP-01 is a tiny and useful piece of hardware. It has a 32-bit MCU, 2.4GHz 802.11 b/g/n WiFi, 1MB flash memory, and several other useful embedded features. Such ...