Decoding and sending 433MHz RF codes with Arduino

Decoding and sending 433MHz RF codes with Arduino

by liwenyip @ instructables.com: In this tutorial I’ll show you how to use an Arduino to decode signals from RF remotes, and r...


High Speed Ecosystem Support and Calamity Monitoring System

High Speed Ecosystem Support and Calamity Monitoring System

The innovation of equipment for calamity detection and monitoring are quite rampant.


8V97051 Low Power Wideband Fractional RF Synthesizer

8V97051 Low Power Wideband Fractional RF Synthesizer

This design features a low power wideband RF synthesizer that is used in GSM receiver cards.


RePhone kit: World’s first open source and modular phone

RePhone kit: World’s first open source and modular phone

Seeed Studio has announced that RePhone, an open source and modular phone kit: With Rephone you can: 1.Create your own phone in...


8T49NS010 Clock Synthesizer and Fanout Buffer/Divider

8T49NS010 Clock Synthesizer and Fanout Buffer/Divider

This reference design features the 8T49NS010 integrated circuit that functions as a clock synthesizer with a built-in fanout...


Simple Infrared Barrier

Simple Infrared Barrier

by Maurizio @ dev.emcelettronica.com: Although a remote control is not so difficult to design and build, there is an even simpler...


High Reliability, High Isolation Single-Pole-Double-Throw RF switch

High Reliability, High Isolation Single-Pole-Double-Throw RF switch

In telecommunications, ideal RF switches require low insertion loss, high isolation and linearity.


Contactless payment ring – A tutorial on NFC antenna coil design

Contactless payment ring – A tutorial on NFC antenna coil design

Jatinder has tipped us with this latest post.


4×1 WiFi Wireless Antenna Switch

4×1 WiFi Wireless Antenna Switch

Horacio Bouzas published a 4 way WiFi antenna switch: I started playing with electronics back when I was 10 years old in...


VHF-UHF RF Sniffer

VHF-UHF RF Sniffer

by simpletronic @ instructables.com This is a multi-chapter instructable.


RF / Wireless by mixos
Energy-harvesting power management ICs for wireless sensor nodes

Energy-harvesting power management ICs for wireless sensor nodes

by Graham Prophet @ edn-europe.com: Cypress Semiconductor has introduced what it believes to be the lowest-available-power PMICs...


RFM69HCW transceiver can go up to 20dBm

RFM69HCW transceiver can go up to 20dBm

This powerful RF transceiver is also highly secure thanks to a HW support of CRC-16 and AES-128.