Circuits & Schematics: meter - 7
Search for: "meter"
Search results: 106 Output: 61-70
- .. voltage steps over the 10 to 16 volt range for 12 volt batteries. At the heart of the circuit is a ubiquitous dot-bar volt meter LM3914N (IC1). This IC is operated in the expanded-scale mode so that the circuit responds in the 10-16V range. ...Oct 9, 2011
- .. and it may be useful in designing a lowcomponent- count, low-power, and lowcost LED-display module for a 24-bit frequency meter, for example. You can use the circuit in Figure 1 to replace classical designs for digital counters that use ...Jun 10, 2011
- .. project is intended for noncommercial usage only Paweł Kisielewski Simple meter on a HD44780 and Attiny13 . This project has born from a pure curiosity what we can made on this small uC? We ...Jun 10, 2011
- .. want to be on the safe side, use 1% resistors here or pick the more precise 5% ones after measuring several with a digital meter. You could also include a trimpot in this circuit, so that you can adjust the voltage, but I would not suggest ...Dec 5, 2010
- .. to a high-voltage multiplier or HV rectifier diodes rectifiers decline is far greater than the battery voltage used in your meter. However, a connection with a liquidation infinite resistance to all other terminals may be the HV return. The ...Dec 5, 2010
- .. 20 and 40 seconds it measures the temperature and calculate the temperature and Absolutely Humidity (gr/m 3 grams at cubic meter of air). At 10, 30 and 50 second it measures the humidity and calculate the Relative Humidity (%). The check ...Nov 4, 2010
- .. Mohankumar This motion detector alarm circuit can detect a moving person from a distance of 1 meter. It uses a Dual IR Transmitter-Receiver module HOA1405 . When the sensor detects the reflected IR rays, Alarm ...Sep 21, 2010
- .. of the probe cable, and the impedance of the inductor itself. The cable capacitance was measured by a capacitance meter and came out at 1.9pF, so 2pF was added in parallel with L2 which is the probe inductor. The simulation ...Sep 7, 2010
- .. electric and magnetic fields. The probe has switchable gain, a frequency response up to 400kHz and independent audio and meter monitoring. Click to enlarge Circuit Notes This EMF probe uses an inductor to locate stray electromagnetic (EM) ...Sep 7, 2010
- .. resistor value*); single, non isolated voltage supply; one side PCB; compact construction allowed to use multimetr as panel meter; well interaction with standard LCD based on HD44780 controller *Internal MULTIMETR resolution is given by ...Aug 13, 2010
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