Questions tagged [connect]

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Hook up for Dayton AC motor with direction control

I have a Dayton single phase motor 1/2 HP and I need to control it's direction with two push button switches. Push and hold button1 for to turn on in CW direction, release and the motor stops. Push ...
fluxanode's user avatar
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0 answers
128 views

Connect 3 mm jack with 4N25 optocoupler to 8 Ω speaker

I want to take an audio signal from a smartphone's 3 mm jack plug, pass it on to a 4N25 optocoupler,, and get the sound from an 8 Ω speaker. I don't know how to connect them to each other. Can you ...
Osman Efe's user avatar
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1 answer
40 views

Which connector is this three connections inline XS 20 marking

I can't find the connector type of this part found on alibaba for which I need its mate. I have it in front to me. body is 300mil width and about 200mil thick. Pin spacing 2.5mm (NOT 100mil!!!!) There ...
lode's user avatar
  • 369
1 vote
1 answer
124 views

Mating cycles - alternatives to standard connectors

During my search for an IP22 or higher connector for SMT assembly I have realised that there are few options except USB and audio jacks that can take >1000 mating cycles. I don't want a standard ...
NoobPointerException's user avatar
0 votes
2 answers
764 views

What is the bare minimum number of pins needed to connect to an ILI9488 TFT in order to turn on the LED backlight?

I've bought one of these 3.5" TFT panels: and an accompanying 40-pin FPC-to-header adapter so that I can plug it into a breadboard (specifically, "ILI9488 no touch"). I've got a project ...
Dan Forever's user avatar
-1 votes
1 answer
131 views

AD844 TZ and offset null pin connection

I want to use AD844 op amp to amplify signals at about 11 MHz. I just want to build the following circuit configurations: inverting gain of 1, 10 and non-inverting gain of 1, 10 and 100. These ...
shafik's user avatar
  • 49
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0 answers
495 views

How could I connect an LED to a USB Type C connector?

I’m trying to connect an LED to a USB connector, so when the cable connected, the LED lights up. I was planning to do this on a USB type C cable. How could I do this without ruining the cable ...
Dmb94's user avatar
  • 1
0 votes
1 answer
423 views

Arlec grid connect bulb and power points DC convert smart WiFi hack

These devices works off 240V AC. I was looking to convert them to run off DC and keep the grid connect app function. https://www.bunnings.com.au/arlec-9w-950lm-4000k-grid-connect-bc-smart-...
lara's user avatar
  • 1
0 votes
1 answer
168 views

Help! Why don't my connections show up on my pcb gerber files? But they show up on the Eagle layout?

Below is a screenshot of my Eagle pcb layout. and below that is a screenshot of my gerber file extracted from pcbway.com As you can see none of the connections show up but they do show up if I take ...
DRC's user avatar
  • 107
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0 answers
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Is there anyway to get a more solid connection from pads to planes in Eagle pcb layout?

Below, in blue and white, is the suggested pcb layout from the data sheet: https://www.mouser.com/datasheet/2/468/RPX_1_0-1903909.pdf and here is my pcb layout from eagle as you can see in the data ...
DRC's user avatar
  • 107
-3 votes
2 answers
639 views

Falstad - a bug with mosfets?

I have a schematic in Falstad. It is almost symmetrical (the mosfets are connected by drains and "SWAP D/S" is enable in the second mosfet to be able to connect both). And this symmetrical ...
Proboszcz's user avatar
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2 answers
1k views

My daughter's science project is to charge AA batteries with a solar panel

We bought a 0.5 watt solar panel with 4.5 V, a 4 AA battery holder and a 15 ampere Schottky diode 45V , and 4 lithium ion rechargeable batteries. We connected the red positive solar wire to the diode. ...
Christine Chen's user avatar
1 vote
1 answer
70 views

Micro USB b connection detector

Is there a way to detect if there is a Micro USB B cable physically inserted into a micro USB B receptacle, even if it is just a cable (with nothing attached to it). in android device
mohan's user avatar
  • 11
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1 answer
111 views

Connect LED-driver (BJT) in circuit

I need some help in this circuit! How can I connect LED-driver (BJT) in this circuit? Then what is the valus of RB and RC that meet the requirements, so that the LED driver works properly. ...
Maikel's user avatar
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1 vote
1 answer
109 views

How many WiFi networks can operate concurrently?

Very hard information to find since Google always falls down in how many devices can be connected simultaneously to a single one network. Is there a limit to how many different WiFi networks can work ...
Cinn's user avatar
  • 145
0 votes
1 answer
135 views

Connecting power supply outputs in parallel [duplicate]

I would like to know if it is safe to connect in parallel the outputs of a power supply like this, and in case it is feasable, how to proceed.
LazyTurtle's user avatar
1 vote
1 answer
3k views

connecting single phase motor to UK mains AC

I have a single phase single volt (UK 220-240) 1Hp electric motor with two capacitors, start and run. As photographed. This is to run my Milling machine. I need to connect the motor, via ...
user avatar
0 votes
2 answers
61 views

connect pad inside component symbol

I'm trying to connect A4 to pin 5 in 6050 in the picture. When I click those with the net tool, it also connects A2, which is not what I need. If I use the delete tool and erase the junction, they ...
fran35's user avatar
  • 3
0 votes
1 answer
312 views

How to connect a fast recovery diode with 3 pins?

I have a fast recovery diode, part number D30FD60K, I would like to know how I have to connect it. The diode will be used as the return path in parallel with a fuse. Like shown in the diagram. Pin 3 ...
Luis's user avatar
  • 39
0 votes
2 answers
82 views

Arduino pin connection basic

In the Arduino Uno's basic manual, connections for fading led are given. They have connected led on breadboard. The positive of led is connected through a resistor to the pin no 9 (pwm) and negative ...
Megh's user avatar
  • 11
1 vote
1 answer
154 views

EAGLE - how to make ground planes to connect to the smaller PADS

I cant fid how to configure the GND polygon to connect to smaller IC pads: EDIT Following the @Dave Tweed answer the result is exactly as I need:
0___________'s user avatar
  • 2,528
0 votes
1 answer
2k views

JDY-16 Bluetooth Rx/Tx Connection

How i can make jdy-16 to arduino rx/tx connection? http://prntscr.com/k4dmqg 01 pin > VCC 24 pin > GND 19 pin > TX 20 pin > RX But device doesn't answer AT COMMANDS! When i connect jdy-16 with ...
macirtr's user avatar
1 vote
1 answer
617 views

Connecting a 240 V PIR motion detector to a Raspberry Pi

I want to connect a 240 V PIR motion detector directly to my Raspberry Pi 3. Inside its plastic case I found two PCBs. One is the power supply board which has a 24 VDC relay, an S9013 NPN transistor, ...
devlime26's user avatar
1 vote
1 answer
343 views

Bluetooth LE losing connection

I'm developing a device that operates with Bluetooth Low Energy (BLE). It has a connection loss problem, where it connects and stays on for a while, but most of the time it connects and then ...
wBB's user avatar
  • 121
0 votes
1 answer
244 views

Altium designer direct connect on high power components

I'm designing a board which I'll solder it by hand. In order to do soldering much easier I believe that many components need to be connected through relief connect to their adjacent polygon pour. ...
MrBit's user avatar
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