Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
Thank you but do you think i can drive all the triac with one microcontroller because there are just 1 A/D converter in all the PIC I have seen.
I don't even know if i can split the current for both the triacs because after the opto coupler I will be in AC and how could i amplify the current...
thanks for the answer,
I know it all but my purpose is a security breaking then my heatsink will be smaller.
i already have my opto but i don't know if i can drive with on impluse of the microcontroller two triacs in the same time. ( the trigger current is 35mA then take 0.7mA from the µC, which...
Hi I need some help,
I want to transform, in my circuit, a double inverter relay (too big), in an electronic control.
The only way I've found, is 4 triacs (one in each wire the relay was commuting) with their trigger controlled by a microcontroller.
The circuit is driven by a reaction of an...
Hi FvM,
And if the polarity of the capacitor is inversed (because i'm not sure of his sens) would you see a braking action?
this diagram is the circuit that I have verify a couple of times so i Think that everythings is there and when
I tried a lot of time there 's really a braking action...
Thank you for your answer Chuckey!
This is what I've had understood about this circuit.
When you close the switch the number 3 and 4 are connected then the current flows in the coil 2 and it works.And when the switch is open again, 3 and 4 disconnected, that cut the current and the 2.2µF...
Hi,
I finally found a way to brake dynamically a drill and i found it on a circular saw.
I've drawn the electrical scheme of its brake which work with the drill (both the coils and the rotor are the universal motor).
The problem is that I want to resize the componant to make it brake faster.But...
I want to signal when somebody have one hand on the grip and the maximum distance is about 60 centimeters.
Then my first idea would be to put an inductive sensor and connect it to a tag which would be communicated with the base.
Yes you're right i have to measure noise but first I want to find...
Hello,
I'm looking for a way to communicate from the removable handgrip of a drill to its base.
At first, I wanted to use the RFID technology but I figured that the distance from the grip to the base is about 60 centimeters and the RFID can communicated at a short distance.
Then are there...
Hello,
I'm looking for a way to communicate from the removable handgrip of a drill to its base.
At first, I wanted to use the RFID technology but I figured that the distance from the grip to the base is about 60 centimeters and the RFID can communicated at a short distance.
Then are there...
Thank you
I don't how to use theses capacitors but that's a good start.
For the thyristor controller, i'm not sure to completely understand but it looks like it fits with what i want.
Which form of these circuits (bridges, triac-diac) will drop the voltage just for the start time?
And how could...
I want to realize a "soft start" for a drill that's to say avoid this peak (which occurs at every start) and regulate the intensity until the start of the drill. That's what i meant by ramp (directly from 0A to the normal speed).
Thank you for answering.
Hi everybody!
I'd like to be enlightened about something.
I'd like to control the universal motor (230ac,16A) of a drill to replace the peak of the intensity (due to the time taken by the rotor to rotated and to provide the counter EFM) by a ramp but I don't how to begin.Maybe with a...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
