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Hello, everyone. I am a student in computer development and I am really interested in the Internet of Things. I have made three IOT projects and now I am thinking about my professional future. The problem is that in my country in Morocco working in IOT is not quite clear and really rare in terms...
hi everyone. My raspberry GPIO pin generate 3v 40ma and i am wondring if i can use a booster step up to power up a mini pump (12v 0.5a) using the GPIO pin with this booster step up without using the relay and a new outside power source ? if its impossible can anybody tell me if there is a way to...
Hi everyone. I'm still a beginner and I'm preparing a program that displays the current weight on node red using a load cell and hx711 and raspberry pi3. I have the python program that calculates the weight it works well but when I try to associate this with node red I'm completely blocked since...
Hi everyone I'm trying to make a project using raspbery Pi 3 with an artificial intelligence program inside and aiming to do something related to a plant.i found some application that can reconize diseases in a plant by using a camera but its something very difficult to do. This is why i am...
I would like to design a system that allows to judge the potability of water after having made a certain number of measurements with the available sensors such as the PH sensor, turbidity, temperature, TDS meter...
after some research I found that there are 8 essetial parameters that once...
i am trying to mesure the curent of a 12v DC motor using an arduino nano. i used this diagram
i used this code
void setup() {
Serial.begin(9600);
}
void loop() {
float average = 0;
for(int i = 0; i < 1000; i++) {
average = average + (.044 * analogRead(A0) -3.78) / 1000;
//5A mode, if 20A or...
Hi everyone
So this is a circuit of a charge regulator for solar panels. the aim is to charge the battery with 14V then 13V after a moment before its totaly charged. To do so we will need the PWM of arduino to open the MOSFET when the voltae of solar pannel is higer then the battery's then...
thank you for answering me mr klausst. the Capacitor C1 is used to remove any unwanted noise/spikes.
i still dont understand how the driver mosfet works especialy when its about knowing how the final curent go into the battery i know "WHEN" but not "HOW" begining from the transistor to the mosfet
Hi everyone.Here is a a circuit showing how a "PWM Solar Charge controler" works. the principal work of this controler is using arduino's PWM to switch on the transistor 2N3904 to let the 12V battery absorb the energy from the solar pannel when the voltage of the solar pannel is under the actual...
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