Cool DIY device

I had been wanting to try e-stim for quite some time, so a while back I decided to try something out. I dabble in music, and own a modular synthesizer. I want to say it runs up to 5 volts max (I'm going off memory here, as this was a while back), and the amperage is very low. It's powered by a wall wart transformer, and is a rack full of various modules. Each module does a very specific job, such as generating a waveform, or shaping a waveform in some kind of way. There is another module that is basically a preamp, and allows you to trim the voltage.

So, a while back I decided to try this out as an e-stim device, knowing that it didn't have anywhere near enough power to be dangerous. I plugged an LFO (low frequency oscillator) into the VCA (voltage controlled amplifier) which is the aforementioned preamp that would allow me to trim the output levels. So, I set the volume all the way down, and set the LFO to a low speed. I ran the signal into a 1/4" mono plug, similar to what you would plug headphones into a stereo with. I double, and triple, checked all voltages with a multimeter and made sure everything was safe. I then stuck the plug into my urethra, and slowly turned up the volume on the preamp. As the voltage increased, I started to feel it tingling, and when the volume knob got fairly high, I could really feel it. It was downright painful if I let the voltages get up near the peak, and was definitely something you had to slowly build up to.

The cool thing about a modular LFO is that it lets you change the waveform. You can set it to sine wave, and you can feel the intensity smoothly start at zero, and build up to the maximum, then gently go back down to zero, and so on...

Triangle wave is pretty much the same thing, but it spends less time at the extremes. You can select a saw wave, and you then feel it building up, then it drops to zero, then builds up again, then drops to zero. It also does square wave, which is the most intense. It alternates from nothing to full blast, with no transitions.

Using the VCA's volume knob, I could adjust what the max was for all waveforms. Also, the LFO has a knob on it that lets you adjust the speed that it oscillates at. Slow oscillation was really intense, as you can feel the voltage slowly building up, and you're dreading what it's going to ultimately feel like when it peaks. Or, you can have it oscillate quickly, and it's a whole different type of intense, and makes it feel more tingly in a different way. I also used some wires and was able to break out the two poles of the circuit, and attach them to different areas.

I've never used an actual e-stim device, but I imagine this was fairly close, and even lower power. It did the job nicely though.

I do something very similar. I have an audio capture program called Audacity. You can use it to generate several different waveforms. I have a file that I created by generating a 200 hz sine wave ten minutes long. I generated another track 200.2 hz the same length. using another function of Audacity I merged the two. that makes a waveform that has an amplitude twice as high where the two signals are in phase and drops to 0 where they are 180 degrees out of phase. the period of this oscillation is about two seconds. That means that there is a peak every two seconds.

I feed this to a set of computer speakers powered by a 12 volt dc adapter that plugs into wall power. The amplifier is only 5 watts. That is a safe but very intense power level. it is plugged into a UPS (battery back up) which isolates the computer and the speaker system from the power line. Since the maximum voltage that could be experienced in case of catastrophic failure is 12 vdc it is safe.

I also use a number of files from E-Stim Systems. To wire myself I use a monopolar anal electrode (homemade) and a P.E.S. Big Jim utheral electrode. The five E-Stim Systems Venus files total 25 minutes in length. I set the intensity fairly high at the start. I insert the anal probe deeply enough that I can feel a tightening in the muscels in my toes. I adjust the depth of the Big Jim so that it feeld as though the sensation is concentrated in my testicles. The Venus files build slightly in intensity toward the end of each one. There is about a two second gap between each one. I usually have a first orgasm about half way through the second file and then again at about the twenty minute mark, after the start of the fifth file.

Before I start I take a couple of deep enemas to clean all the fecal material out of my rectal cavity and my sigmoid colon. I have found that this greatly enhances the sensation and is not so messy either. I also take a Cialis tablet when I start the enemas. It is working by the time everything is evacuated and I am ready to wire up. I enjoy stimming while lying down. This allows me to reposition the anal electrode to vary the sensation. My penis usually takes a break for a couple of minutes after the orgasms. I have doen this for long enough to have four orgams but have never been able to have a fifth even after nearly a constant four hours of stimming.FXHHR

Wow, now I know what to do with the old oscillator!

I wouldn't construct my own box, but for years now I adapt aneros probes with DIY stainless steel electrodes. It is fascinating to get different types of stimulation every time. The build-up to finding out what the effects are going to be is also really exciting.

Isolation from the powerlines or even use only of battery power does not guarantee safety. Less than one watt of power is enough to stop your heart if it all goes through the chest. Even a level that is safe in other parts of the body, can kill you if it passes through the heart. Even commercial units that are well tested by the manufacturer, can be dangerous connected above the navel. Remember that if you experiment with electricity running through the body, that you are experimenting with your life. Follow manufacturers guidelines and keep any home made equipment away from your chest.