Search Results for : radio frequency
Communication Between Two Arduinos Using NRF24L01
While building Arduino or any other microcontroller platform project over time the need will arise to establish communication between two of the Arduino boards or microcontrollers for data exchange and/or control. This communication could be achieved using either wired or wireless...
Continue ReadingCommunication Between Two Arduinos Using NRF24L01
While building Arduino or any other microcontroller platform project over time the need will arise to establish communication between two of the Arduino boards or microcontrollers for data exchange and/or control. This communication could be achieved using either wired or wireless...
Continue ReadingON Semiconductor RSL10 – Bluetooth® 5 System-on-Chip
Bringing the industry’s lowest power Bluetooth® low energy technology to IoT with a highly flexible multi-protocol 2,4 GHz radio RSL10 from ON Semiconductor. RSL10 is a multi-protocol Bluetooth 5 certified radio System on Chip (SoC) which brings ultra-low-power wireless technology...
Continue ReadingChanging Hospital Waiting Rooms with RFID Technology
Engineers at Cornell university have created a new system for measuring vitals, which could revolutionize hospital experience for everybody. Usually, getting sick means having to go to the hospital which because of today´s procedures takes almost all your day (if not more), and most of...
Continue ReadingBuild Your Own Cheap Antenna Analyser
Ham radio is the use of radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, etc. Developing a ham radio project may requires using an antenna analyser, a device that is used for measuring input frequency and...
Continue Reading4 Channel RF Remote Controller
4 Channel RF remote built using PT2262 and PT2272-M4 IC from Princeton technology. PT2262 used as Encoder (Transmitter) and PT2272-M4 Decoder (Receiver) ICs are heart of the project. The receiver provides 4 channel Momentary outputs. All outputs are TTL level can be interface with...
Continue ReadingReview & Teardown of a cheap GPS Jammer
phasenoise has posted his teardown of a cheap GPS Jammer. This GPS jammer generates a 1575.42 Mhz interference to prevent your GPS unit from receiving correct positioning signals. Generally, “jammers” — which are also commonly called signal blockers, GPS jammers, cell phone...
Continue ReadingVisualizing RF Standing Waves on Transmission Lines
This video illustrates how RF (radio frequency) standing waves are created in transmission lines - through the addition of the forward (transmitted) wave and the reflected wave that results from improperly terminating the line or matching the load or antenna to the transmission line...
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