For applications such as handheld terminals, inventory control, and security systems, the RTFQ1 transmitter and complementary RRFQ1 receiver from OKW Electronics give you a moderate-speed, ...

Recently there has been great interest in long range reading (433 MHz technology) For the last two decades, the primary contactless technology used in access control systems has been the proximity ...

The TH72012 ASK transmitter integrated circuit is a 433-MHz transmitter IC featuring a fully integrated PLL-stabilized VCO. It has an on-chip low voltage regulator and a very low standby current.The ...

Get your feet wet with radio frequency transmitters and receivers by working your way through this pair of tutorials. [Chris] built the hardware around a couple of 555 timers so you don’t need to ...