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...ach millisecond by summing the squared amplitude of the high-pass filtered signal over this millisecond. Perhaps we can also just calculate variance here and

A nodemcu (ESP8266) reads the fan state signal and forwards it over WiFi to the revspace MQTT stream on topic revspace/int

# A USB audio card to create the analog ultrasonic signal # An amplifier to amplify the ultrasonic signal

...te, the device transmits periodic beacon packets. You can use the received signal strength of these to find how to get closer to the device.

! Pin !! Signal Firmware measures only a part of the response signal: 180..980 ms interval in 10ms steps. It integrates 180..680 ms interval and

...day) it wakes up, takes a reading of all WiFi stations in range and their signal strength. It stores these in internal memory. ...a level-like signal (low if the alarm has triggered). You cannot tie this signal to the ESP reset pin because it would keep the ESP in reset indefinitely. T

:2014-??-??: The LNA4ALL amplifying the discone signal broke down :( ...give a slightly better signal-noise ratio and allow us to split the radio signal out to several receivers so we can capture several kinds of signals at once

...the encoder isn't running too fast, so that the bit-period of the encoded signal will be relatively long (slow), but seeing that a typical PT2262 encoder fr

...estimated total inductance of about 1 uH, it is center-tapped to the TVSS signal.

...by a laser beam. The scatter patterns are picked up by a photo-diode which signal is amplified and then fed to a micro-controller. The micro-controller inter

...ay 4.98V then I checked reset it was high as it should. I tested the clock signal,with an oscilloscope and it ran. saw 3.25MHz on the CPU, so no problem ther ...ut of U11A pin 3, and still I saw no problems, then I tried to measure the signal on 88, and when I put my scope probe on R49 suddenly the screen turned whit

...ifi throughput is good, even at the other end of our space, so in terms of signal and bandwidth it easily outperforms the access point that we already had.

* Maybe write some more safety features, like something to detect loss of signal with nunchuck or Gametrak, and prevent immediate acceleration. Or maybe slo

I also discovered that the board generated a composite (monochrome) video signal, meaning I could hook it up to a test monitor. ...pply reset signal kept it in reset, once I supplied the power supply reset signal, by tying an inverter input low, (a wire over the input capacitor on the bo

...erator, as the clock of the ZX81+35 could also "randomly" double its clock signal to 6.5MHz (I consider changing that in the definitive version, so the outpu ...evels up-to 3v3, which is fine for the PSG (AY-3-8912), witch just needs a signal between 2.5V and 5V, but the PSG can output 5V levels (when the GPIO port i

* select a row by making one ROW signal high: choose ROW_H_x if you want to set a pixel, or ROW_L_x if you want to

...onitor I connected claims the actual VGA resolution of the generated video signal is 640 x 480 @ 60Hz, so it seems the vertical resolution is cropped, and in ...le I feel its not yet ready, as I have a problem generating a stable video signal when running in turbo mode (220% faster). Probably due to switching the clo

...with enormous gain, up to six orders of magnitude or more, resulting in a signal that can be measured and recorded. ...cintillator, making it possible to verify with some certainty that a given signal is actually the result of photon emission in the scintillator, which is gre

...jack" game. Because I'm interested in the technology behind creating a VGA signal with a micro-controller and (almost) no external hardware (I'm planning to ...rmously. For the moment I'm still staying with generating a monochrome PAL signal. I don't want to succumb to feature creep, in the interest of simplicity an

...forgot to insert a limiting resistor in /IORQ, but moved it to the /BUSACK signal where it isn't really needed. This will necessitate a patch!