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My government put lavacide in storm drains and ponds and now the mosquitoes (and bats that ate them) are gone. The larvacide does not harm birds, bees or animals. Modern technology is wonderful.
The logic is Marx circuit, voltage multiplier circuit... This can be found in Mosquito Killer bat circuit... If you go for mosquito killer bat and a Flyback Transformer it will cheaper and higher voltage than this.... Refer this
This bat does not look like it will work. You may as well use one method where a fuel is burnt to make carbon dioxide. This attracts the bugs and they fiy into a high electric field that kills them. I am reminded of a product marketed around 1925 and was guaranteed to kill bugs. It was two blocks of wood. You placed the bug on one of the b
this is a charger for bat. and there is a feed back circuit.
:D How does Electric Mosquito Killer bat work, and send us the circuit as well as the part spec...:idea:
Modify an electric fly bat! Kills fly, wont kill you! Try it for your self! Try to hurt yourself first before try to hurt somebody else!
HI You can use LTC4412 IC from linear tech. for ORing internal bat with external battery if power consumption is important - if it is not important you can use 2 diode.. All the best Bobi The microcontroller specialist
latest versions of matlab/simulink have lithium-ion battery models. Mr.Cool
Hello Everyone, This is my first post here…Thanks for allowing me to join your forum… I have an idea for an electronic audio hobby project that I would like to build. It’s kind of a specialized device that doesn’t seem to be available commercially, so I would like to design and build it myself, just for fun, and I’
hi. I need circuit diagram for mobile battery charger, model no. JT-B50500 or JT-USB07, REV. 1.0
In Lead acid battery charger circuit, i m using 10ah battery, load is 2 head light,now i am using charger ckt by LM317 now the battery life is so bad , it's life is only f0r 6 months, buut the battery we are using is same as usd in ups. . .but ups life is 3 years.. .. so rectify the problem. . .
From looking at the lower image, the red/black wires should be "bat" and "bat-", for "battery" and "battery, Negative terminal". I believe P23 corresponds to a pin or via near the IC in the center of the board (under the ball of black potting material). I'm not sure what voltages are present on your speaker/microphone (...)
hare is dis. circuit for 3.6v lion bat. modifi for your need.77074
Hello Everyone I'm very new to this forum, so apologies if posted in wrong section. I wanted a backup for my wifi router (12V * 1A = 12W) during power cuts , which is for two hours in my place Hyderabad, India. So I searched the net and i found THIS[/URL
1) A 6V, 4AH battery has twice as much life as a 12V 1AH one 2) Your regulator is set for about 8V output; I assume that is supposed to charge your 6V battery? It won't work for 12V, you'll have to change a resistor. 3) If everything in your circuit is supposed to run at 6V, and then you supply 12V instead....
It realy P*&$$s me off that Sky sends a pulse in the video signal that prevents recording the film and sport. I know there is units that will remove them but does anyone know what they do to the signal and any circuit to make one.
Hello, i search for my amp project a preamplifer circuit with ultra low THD, this circuit are including the tone control and he make a Vu = 10 for the amp and i will use ops. Have everyonea idea for a circuit the have a ultra low THD? Thanks a lot Dark Angel
Need information how to make the PIC circuit with connector to an programmer. Programming should work even if the PIC circuit has power switched on. But should also be possible if the power of the PIC board is not availabel. I already have good info on programmer. Any one has a proven circuit design that works well?
Hi, I'm searching for the schematics of the I2K power inverter because the official download site seems to be down, so if you have it can you share ? I'm also searching for an efficient overcurrent / short circuit protection by measuring the DC bus Current (each phase of my three phase power inverter have an 100uH inductor in serie with it)
Does anyone have x.10 interface circuit? and or circuit that can send signal into main(AC) line? please suggest. thanks a lot.
Hello everybody !! I serach for a "PWM-circuit" for controlling a "Buck/Boost-Converter" !! Does anybody have a circuit !! Thank you ***************************************** Please don't reply unless you have useful information to add on this post. Any other replies are always welcome via PM.
Hi all I need a circuit to program the Atmel MCU AT89C1051 and AT89C2051. Can any one help me.
Anyone designed a circuit for CCD array to ADC? Looking for advice or ref design. I am using a sony ILX5xx series 5k pixel CCD, need to do an A/D conversion and get the digital data out. thanks Ahgu
Does anybody have some experience with designing a Snubber circuit and how to build them ?? I need one for a Boost Converter (fs=100kHZ, I~20-30A) !! Thank you very much
I need to design a digital circuit that will output logic 1 and lit an LED when the input analog voltage is within a certain range (say 2-5 volt) and will output logic 0 elsewhere. A schematic would be very helpful. Thanks in advance!
Has anybody a schematic for an easy and cheap working circuit, which turns of the light from a 230VAC/100W-Bulb by using a triac. Time for getting dark should be more than 2-minutes. P.S.:I´ve got no equipment for microcontroller-programming
I have an optical sensing system that uses three LEDs (LED1, LED2 & LED3) as transmitters. The lights from these LEDs are detected by three Photodiodes (PD1, PD2 & PD3). The signals from the PDs are passed through an Analog circuit that is common to all. Then the analog output is passed through three different digital circuits Dig1, Dig2 & Dig3 for
hello friends, This time I'm looking for an AC (60Hz) rejection circuit for a DC voltimeter any sugestions?? regards, 2000
I want to demonstrate a coupled oscillator circuit at graduate level. Can any one suggest some thing?
Who can give me a circuit netlist of 32768 Crystal Oscillator for spice simulation! My circuit cann't get up!
How can I simulation circuit with Xilinx Foundation 4.1? (there isn't any package) I remember that in Fondation 2.1 it exists... How can I do ? ***************************************** Please don't reply unless you have useful information to add on this post. Thanks
i'm looking for a circuit or a pic program to convert from irda to rs232! thanks! ***************************************** Please don't reply unless you have useful information to add on this post.Thanks
I want to design a automatic for automatic switch 220/110V,and this circuit will be low price and miny volume.who can help me. ***************************************** Please don't reply unless you have useful information to add on this post. Thanks
When I design PA,I find that using the typical circuit in the datasheet sometimes lead to bad result.Furthermore,the recommended microstrip circuit always show it's poor performance in EDA simulation.How do this happen?Would you mind tell me how I can get the correct circuit of PA design. By the way,the PA transistor I used were from (...)
Hello. My CATV firm use just video inversion for scrambling. I'm searching for a circuit to invert video image. I will insert the ciruit between VCR and TV. Could you plz inform me the circuit for video inversion? ***************************************** Ple
Hi The focus of our group is designing analog circuits for high integration. We have emphasized analog CMOS design techniques because an increasing portion of today's integrated circuit functionality is being performed in the digital domain by VLSI circuits implemented in a CMOS technology. Achieving high integration requires both all the (...)
i'm looking for a digital logic simulator for a small project of mine: should be a program easily interfacable from c (because the c code will generate the electronic circuits). in fact i'd prefer to have the source code and i probably will end up writing my own if i find nothing suited for my task. does anybody know about such a simulator (no spic
Hi everyone. I need a PLL circuit example. Does anybody have useful information about PLL? THX.
Hello friends, Does anyone know a circuit that really reaches 0V in a 0 - 30 V variable supply using LM723? regards, 2000
Does anybody have some pdf book about rf circuit design?
Looking for circuit diagram for Sharp fax F3600M. Mvbrgds Ludvig
Who can tell me where can find the audio amp circuit ( use 2k ~ 20k HZ) ?
Hi! I need a SMPS circuit for 90 to 275 VAC input and with output of +/- 7.5 VDC 500 mA. Could someone help me by providing schematic drawing and bill of materials for this. Thanks Bye!
Well I'm attempting to integrate in circuit programming into my application and I was wondering whether anyone has done this before. My problem is interfacing high voltage in circuit serial programming for PIC16F877 via pin PIN 1, RB6 and RB7 at the same time use this pin for another application. I have considered using jumpers to switch affected p
This is my BS project which is due in a couple of days,it uses TINA to optimize a circuit! if anyone wanted this project ,just drop me a line
Any one have a schematic for an active low loss circuit to combine 2-3 UHF aerials and signals.
anyone has electric field meter circuıt design? everybody selling but I can' find a circuit :roll:
Hello all. Does anybody arround know about any simple, easy to build osciloscope circuit that can be interfaced to a pc (serial or parallel ports)? A homemade sampling head (not real time) would already be usefull.... My old osciloscope just stoped working and I would like to build something reasonable that could replyce it :D Thanks to all.
Hello, i need hartware project for PSoC In circuit Programmer schematic and PC software THX, K2
I want to design power on-off circuit using tact switch. Please give me some hints. Thanks a lot! :roll: