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Category: Automation Circuits / Remote Control This circuit is also crossed to: , Infrared Views: 2040 Rank: 0 Here is a handy gadget for test- ing of infrared (IR) based re- mote control transmitters used for TVs and VCRs etc. The IR signals from a remote control transmitter are sensed by the IR sensor module in the tester and its output at pin 2 goes low. This in turn switches on transistor T1 and causes LED1 to blink. At the same time, the buzzer beeps at the same rate as the incoming signals from the remote control transmitter. visit page.
Related circuits The CIRThis article will show you how to build your own version of the Fire-Stick infrared remote control system. The Fire-Stick has been an extremely popular, and HOT selling item here at Rentron.com for quite a long time. The LITEON infrared receiver modules originally designed-in to the... The transmitter is built around two CMOS 555 timer ICs (TLC 555s). The transmitter generates a modulated 35-kHz Remote-Control Transmitter Circuit This transmitter sends an FM signal in the 88-to 108-MHz range, with a tone of 19 kHz. This can be used to activate the FM MPX pilot carrier indicator, which can be interfaced to external devices. L4 is for use with a 15 CM wire antenna. LI is 9 turns of #26 enamelled wire on a 54-W 10-kQ... SMS control 4 way remote control relays With this circuit we can controll up to 8 devices (4 devices in our example project), by sending a specific SMS message with any mobile phone. Its very usefull at the cases that, at the place we have the devices, we have not a wired telephone line. If you have an old ericsson mobile phone and you... Remote switch uses no-power fiber-optic link The heavy-duty switching device in Figure 1 counts the number of products manufactured and rolled out of a production line per hour. The switch is useful for counting rolling heavy objects or materials weighing one to several thousand kilograms. It generates one pulse per product (no false... The IR Tester circuit lets you know if the button you press on a remote control is working. 330 MHz Remote Control ATTINY2313 Once the transmitter circuit was working well, all that was left was to add an ATTINY2313, a battery, and some buttons. The Princeton Technology decoders, such as the PT2272, have an amazing tolerance for data rates - about plus or minus 50%. The ATTINY213 is clocked by its internal RC... Remote control Encoder M145026B-1 This encoder can generate up to 19,683 codes from 9 address lines by detecting 1,0, or open circuit. To initiate the transmit sequence, pin 14 should be pulsed low. The encoder will now output on pin 15 a data stream representing the condition on each of the address/data pins in turn and then... IR Remote Control Tester
Infrared Remote-controlled Sensitive Home/Office Security Alarm with 2*Remote...
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