.. my circuit and a 9 volt battery while keeping the remote fully functional. The circuit parts: 1. Small circuit board 2. (1) 10 k variable resistor 3. (1) 555 Timer 4. (4) resistors. 470 ohm, 1 k, 560 ohm 5. (2) high speed switching diodes ...
.. to the unknown supply. Op amp IC2 scales the signal to achieve 3-mV resolution using the microcontroller’s built-in 10-bit ADC. The reference, op amp, and gain error introduce voltage offsets, which you can calibrate in software. The ...
.. input is one fourth of the voltage that the load box is set to. With S1 open, the load-voltage adjust range will be from 10 V to 20 V, and with S1 closed it will be approximately 3.5 V 10 V. Low voltage operation could be improved by ...
.. marks from the threading process! This isn't exactly the easy way to build such a pen but it gets the idea across. A tiny 10 A 9 Volt alkaline battery was installed and the threaded nylon bushing was tightened. A little clear epoxy fills the ...
.. (only if necessary) 1. Disassemble the mouse. Now you can see the three switches that make more than 90 % of the noise (the 10 % are made up by resonance in the plastic body - I tried to fill it with some silencing material, but got no audible ...
.. Because Q 5 ’s collector no longer grounds capacitor C 2 , the filter's cutoff frequency increases by a factor of 10. When the system's output changes to within 50 mV of the input, the cutoff frequency throttles back to its ...
.. a cheap and green solar heater for less than $10. All you need is foam board, lots of pennies, black spray paint, and plexiglass. The assembled product should be ...
.. was adjusted to center the signal within the ADC range. But, of course, this oscillator was purely analog and had no “10-MHz reference input” on the back to allow it to be synchronized with the ADC clock. The result is substantial ...
.. pulse train; it is 95% of the nominal current. The second current comes from an auxiliary DAC. It supplies between 0 and 10% of the nominal current, thereby providing a 5% adjustment range for the slope of the integrator voltage. At the end ...
.. high-level width to meet the triggering spec of a lock-in amplifier. The synchronizing pulse’s frequency is 10 Hz to 102 kHz, which is the lock-in amplifier’s frequency range. Because the synchronizing pulse synchronizes ...