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18 Threads found on edaboard.com: Switch Beam
Scanning patch array antennas become more popular: WiFi, cellular, sensors, etc. all want to receive or transmit signal in certain direction to reduce interference, and able to alter this direction dynamically. I reviewed few papers and datasheets on commercial products, and have many questions and doubts about trends in this area. Different pr
Hi, I redone my stock halogen headlight to bixenon headlight and I redone the wiring as it is shown (I add a diode to enable high beam flashing durring daytime drive when only DRL are used). Controller reports no problem for dipped beam bulb but high beam bulb is a problem. 1. If you turn off the lights (switch to (...)
Still need more information. Detecting the presence of a bicycle is easy, you can use it's weight to operate a switch or use it to block a light beam or even use a magnetic switch if the frame is magnetised. All of these methods can be overcome by a determined thief. Are you looking for a high security system to detect if a specific bicycle (...)
Which proximity sensor/switch would you recommend from the <2ms response time range when power consumption matters? Range: <=3cm. The smaller is the better, there are electromagnetic coils around. I found that APDS-9190 might be close; a little quicker and smaller would be better.
It is not clear what you are trying to do. Using a laser to measure the time between two events implies breaking the beam but you talk about switching the laser with a rise time of less that 499ps - a very precise figure. Are you making a time of flight rangefinder? How are you planning to time things - your timing requirement implies a clock of at
Some where in the car there will be a relay that changes the hi/lo beam when the switch is pressed. Take the wire off the hi beam contact and feed it into another relay, which feeds the hi beam supply out to the original hi beam wiring. When this second relay is energised the live hi (...)
Hi, I have built a simple on/off switch with IR obstacle detector and pic12f675.The switch program was done to make it immune from Sunlight.What i did in program is that,the ir led will be on in general.when a hand ll come near it,it will drop the voltage at the ir detector led,which is pulled up with some resistor to normaly the ir detec
Dear All, Please help me to get pull in voltage in Ansys Command. I got the beam structure and can't set the dielectric in Ansys command. Anyone can help me and send the code. Thanks
Fix the bottom plane of CPW and make your switch a hanging structure................
How to calculate Pulling voltage in ANSYS command for RF MEMS switch. I have a fixed-fixed beam with one meander. Couldn't find out pulling voltage. Could any body help me in this regard.
I have a 20W co2 laser tube (from some medical equipment) and a power supply for 40W tube (from Chinese laser engraver). The laser tube works fine. It has about D=3.6 mm laser beam. But I am wondering how fast I can switch on/off my laser tube. My power supply can switch on/off the laser tube with frequencies about 1 kHz. But it is not (...)
Hey Guys, Fairly new to electronics, but my boss wants me to come up with a plan for a basic counter display screen that will gather its information off of a Infrared Relay switch. Basicly what this system will do, is count how many times the beam is broken by objects. The infrared system we will be using is called an OS12c system by Optex. They
facing problem in MEMmech simulation please help hello sir, i am facing problem MEMmech simulation of coventor as (help mannual for beam design is for shunt switch) & iam designing series switch problem-surface BC (in fix -fix beam type) their are two anchor 1 & 2 (as mentioned in MASTERHELP HELP MANNUAL) but in our case (...)
facing problem in MEMmech simulation please help hello sir, i am facing problem MEMmech simulation of coventor as (help mannual for beam design is for shunt switch) & iam designing series switch problem-surface BC (in fix -fix beam type) their are two anchor 1 & 2 (as mentioned in MASTERHELP HELP MANNUAL) but in our (...)
Dear all,,, I am using CST MWS to simulate the polarization of a dipole antenna. The dipole is alligned with the y' axis and the main beam along the z' axis. The dipole length is (lambda/2). When I switch to Ludwig 3 system and select the (abs) component, I get exactly the doughnut shape. However, when I select Ludwig 3 (verti
my oscilloscope no trace line .when press beam fine switch crt show green point no adjust.I need schematic for repair
Hello All I have designed a MEMS switch in CoventorWare. But unfortunately am not getting the pullin voltage for my model. structure is as below: 1. Silicon substrate 2. Silicon dioxide 3. 3 Aluminium lines (CPW lin- G S G) 4. Dielectric layer on signal line of CPW 5. beam made up of Aluminium I have given same potential t
Detection of air movement can be obviously done in number of ways but most common are paddle that activates switch or interrupts light beam or thermal method mentioned earlier. Thermal method is used for low air flow mostly as safety for active cooling systems. You could use brushed DC fan as generator for higher air flows.There is also measurement