Scaling -75 to 75VDC to 0-5V for ADC
Updated: 2012-01-31 15:58:23
I'm attempting to build a voltmeter of sorts and want to be able to measure from -75VDC to 75VDC and need to scale that to a 0-5V signal into a...
5 band resistors
Updated: 2012-01-31 15:19:24I am new to the group so I am sorry if this question has come up before. I have been trouble shooting a circuit board for an electric fence charger...Dc motor t9451-540-2
Updated: 2012-01-31 15:18:48Hello All, Does any one have a resource to find out the specifications for the above motor? It is a DC brushed motor about 3.1 inches in diameter...timing cicuits
Updated: 2012-01-31 14:40:14My intension is to switch off starter motor after 10seconds of engine start.. i want an device/circuit which counts for 10seconds and then produce...servo motor controlling with atmega16
Updated: 2012-01-31 14:36:09i have written code for my servo motor which is HITECH HS-442..using atmega16..but with this code it is taking only 12 positions..i need to control...Class AB Amp Power Efficiency - How to calculate?
Updated: 2012-01-31 13:49:44Hi I have a HW question to calculate power efficiency - Please help me ---Quote--- 3. A CMOS Power Amplifier operates at class AB. The...power supply 7,2V DC
Updated: 2012-01-31 13:46:41I need to connect an electric motor to power supply 3,6 VDC. I have 6 x 1,2 V batteries in series in my circuit what is used to feed other 7,2 V...Interfacing PIC with LCD
Updated: 2012-01-31 13:41:30Hi all, I want to interface an LCD with an 18F4550 pic using assembly. This is the first time that I'm going to interface an LCD with a PIC. Do...Microcontroller Based Signal Generator
Updated: 2012-01-31 13:26:27_Requirements_ Resolution:Maximum 20mV Range:--2.5Vto +2.5(should be adjustable 2 buttons-up/down) Frequency Range:0 to 10 kHz (should be...4017
Updated: 2012-01-31 11:31:22hi all,, i need a little help with this circuit. attached this is the circuit that i am building, the problem that i am having is, i need to drive...Problem with Phase sensitive detector example
Updated: 2012-01-31 11:25:03I have set-up the attached circuit in multisim from an example ina book and I'm not getting a rectified wave at the output like I should. Can...Pulses
Updated: 2012-01-31 09:55:33A miller integrator having a time constant of 1 ms and output that initially zero, when fed with a string of 10 us duration and 1-V amplitude rising...How to check for a TV "hot chassis
Updated: 2012-01-31 07:15:43New Member: edgar 007 As a student studying HOME ENTERTAINMENTS SYSTEMS: SERVICING & REPAIRS I am stuck on How to check for a "hot chassis" TV....DTC of Permanent Magnet Synchronous Motor
Updated: 2012-01-31 06:44:44Hello i need help on DTC of PMSM simulative work in MATLAB controlMy wireless robot......
Updated: 2012-01-31 05:48:11Hi , This is my bot designed for combat but i need to work on weapons for destroying the enemy bots....Easy tactile controls and displays for your flight simulator
Updated: 2012-01-30 20:01:56
If you’ve been thinking of adding some tactile controls and readouts for your flight simulators this guide should give you the motivation to get started with the project. [Paul] explains how to build controls and connect them to the simulator data. He makes it look easy, and thanks the interface examples in his code it [...]Hardcore Storage from Swiss Army
Updated: 2012-01-19 18:53:12All tools. All the time. Your source for news, information, and reviews of hand tools, power tools, and tools of all kinds.Workbench Spot Light
Updated: 2012-01-16 01:04:49
The camera I added recently gained a new boom mounted partner, a Luxeon Rebel powered spot-light. Consisting of three 200+ lumen neutral-white Rebels, the spotlight puts a lot of light onto a spot on the workbench. I’m going to pick up a diffuser optic for the collimator so it’s not quite such a tight spot. [...]Fresh PCBs
Updated: 2012-01-16 01:04:47I just received these FedEX on Tuesday, fresh from China via Colorado. The first stack of boards is the prototype taillight driver, sporting a tilt switch for motion detection. The second board is a pretty similar design, with a bigger inductor and more compact layout. The intention here is to run a trio of Lumiled’s [...]