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Halloween Scary Baby Prop
Just some little tricks with capacitors and resistors.adding a 230V 0.1microF on the transformer output, will provide you a more sinusoidal signal.Adding a capacitor on the relay coil will reduce the switching frequency. Typically to get 50Hz or 20 Hz.Adding a resistor (some Ohms) on the relay coil will increase the switching frequency. To its mechanical limit of course.
Hey, good tuto!But before the step 3 I still recommend to sold all the leads. So your component will not move by reheating anymore.
Hey! Thanks. Of course, you are welcome to France
So, it's on its way. We have used a 60mm glasfiber.Already got a couple of sessions, but the finilizing is for the winter. We have a lot of work outside and no time for sauna. So I will give a feedback with the final solution later.We are using 3 x 2.2kW heat resistors with 1 running continiously and 2 are switching on and off for temperature maintain.
What do you have for sampling rate? It's not eays to surely get the Max value
As far as I know there no negative voltage on the output. With an AC signal, we have an offset of 2.5Vdc. As a result you get 2.5V for a zero current and 5 or 0 V for the maximum.The theory is that you have to measure the RMS value of several points. Using Shanon, you obtain 2 x 50Hz (or 60Hz for US). That means 100-120 Hz. So if you sample it on the rate bigger than given - it's ok.Another way vould be to sample it higher and get the max value (Vpeak), after what multiply it by 0.707 and get the RMS value. But the Arduino ADC will not allow you to sample at 1kHz.
Can you please share how do you calculate the AC amp value?
Wow, nice job!After one year of experience, do you have any wood's resin on the walls?How did you calculated the power for it?
Thanks a lot!It's helpful.I will try to look for a relatively "clean" wood and a well dimensionned oven.I will give a feedback in half a year.
I'm wondering, why should we use a Wi-Fi instead of Bluetooth for a battery powered device? It has more power consumption. It has an excessive range, within a room.
Meat Cooking Basics
LEDs and Lighting Class