Questions tagged [pins]
May refer to conductive traces of an integrated circuit, exposed as metal contacts, or pins, which are large by comparison and make physical connection to other components feasible. May also refer to metal pins connected to specific traces of a printed circuit board for the purpose of connecting and disconnecting external components or peripherals in a reusable way.
348
questions
0
votes
0answers
16 views
Pin assignments do not appear to be assigning in bdf - Quartus 17.1
Following the pin assignment diagram in the device manual for my Max 10 DE10-Lite, I assigned all the correct pins to their associated inputs and outputs as seen below:
However, when I go back to my ...
0
votes
1answer
60 views
How good is the Paracord 550 as an electrical insulator?
So following wikipedia the Parachute cord 550 is made from nylon Kernmantle rope, however this site where I sourced the cables from says that it is made of a Polyester sleeve (outer layer) and a core ...
0
votes
2answers
70 views
What type of pin in this (see picture)? I see them in FSRs but they don't appear to be Dupont connectors
Here are the images of the pins:
And here is the FSR that it came from:
1
vote
0answers
31 views
Unused/floating pins on BTS5016
I plan to use Infineons PROFET BTS5016 in a coming project.
https://www.infineon.com/dgdl/Infineon-BTS5016-2EKA-DS-v01_00-EN.pdf?fileId=5546d4625a888733015aa41a5e161129
I will not use the ...
1
vote
1answer
39 views
Setting Pin Assignments For Quartus
So I have written a simple Verilog module which works well in the ModelSim emulator. I would like to now program my Cyclone 10 Dev board to perform this simple task, but I need to set up the pin ...
0
votes
1answer
70 views
Micron NOR unused pins have pull-ups. Any danger just leaving them there?
I have a board designed for a dual-die Micron MT25QL512 QSPI NOR flash. These parts are in short supply, but the board fabricator had some single-die MT25QL128, and used them instead. The single-die ...
0
votes
0answers
32 views
Why IC CD4060BD in Multisim there is no pin for VCC and Ground? It's suppose in pin 8 and 16, but there is no such pin in Multisim
I really find it hard for finding the pin in Multisim, maybe it's because I don't know it yet, but there is no pin for ground and VCC for IC CD4060 in Multisim. Do you know which the pin for ground ...
0
votes
0answers
71 views
What is the type and name of this 15-pin connector pair?
This connector is suited on a Sony car stereo front panel. Searched the net however could not find anything. I love to extend the connection with a sort of cable so it possible to fit the front panel ...
2
votes
1answer
121 views
How to solder these tiny pogo pins?
I bought pogo pins to use for firmware uploading.
So I have to make a Jig for my PCB,
but this is the first time I use pogo pins.
I have no ideas where I have to solder, I mean I want to know if ...
0
votes
3answers
52 views
How to carry quadrature encoder data using a single signal?
A quadrature encoder can be thought of as two switches, usually sharing one of the terminals, i.e. we have COM(mon), A and B.
Is there some simple way of carrying its output on a single wire? How ...
1
vote
1answer
43 views
Help identifying pins in EVQV9C00116E rotary encoder
I'm trying to make a button box for a sim racing rig and need a few rotary encoders for menu browsing. I plan to connect it to an arduino but I can't seem to figure out how to wire things up. I have ...
0
votes
1answer
72 views
How many pins does a PCI x4 connection needs in a FPGA?
I am new to the FPGA world.
Reading the specs for variuos FPGAs I see there are lots of transceivers.
I have a number of PCIe x.4 devices.
How many pins and/or transceivers do I need to connect to one ...
0
votes
1answer
41 views
Any side effects of Initialisation and de-initialisation of STM32F0 MCU I2C pin frequently? [closed]
I have one port on my MCU and want to re-define its functionality.
Is it possible that something wrong/strange happens if I do it in my main() function?
I regularly ...
0
votes
0answers
39 views
Why are the pins of a ZIF socket usually wider than a normal socket?
The pins of Zero Insertion Force sockets are usually wider than those of normal sockets. This makes it difficult to piggy-back ZIF sockets on other sockets or headers. Why are ZIF pins so wide?
-1
votes
1answer
292 views
“Miderton” DPDT relay 8 pin
I am trying to get a small 1.5V display motor to turn 1st one direction and then the opposite. I understood that a "miderton" DTDP relay 8 pin would do this. The coil relay part is 12V. The relay is ...
1
vote
4answers
534 views
Is there a difference between PIO and GPIO pins?
GPIO = digital + analog pins;
PIO = only digital ?
EDIT: PIO defined in datasheet as "Programmable input/output, also known as general-purpose I/O"
0
votes
1answer
113 views
Does anybody have PCIe (3.0) aka PCI Express module card edge connector technical drawing? [duplicate]
I was searching through the internet to find PCI Express card edge connector footprints / technical drawings / pin spacing / layout of the module cards that you stick in these connectors you can find ...
1
vote
2answers
79 views
Guidance on the use of pins of LM1117
I plan on using this 3.3v regulator
It has 4 pins on the SOT-223 package
I plan on doing the following ( but want to check )
Pin 1 - Gnd
Pin 2 - Vout - 3.3v -- Tied to pin 4 feeding my circuit
Pin ...
1
vote
0answers
57 views
Pin config for CIS scanner
I've salvaged a linear scanner from an HP scanner cum printer. The scanner senor model is CA4B94. It's got two portions on a single flat ribbon cable. One is for the motor, so I guess it's safe to ...
0
votes
2answers
86 views
Electrodes and number of pins in vacuum tubes
I am confused regarding the terminology 'diodes', 'triodes' etc and the number of pins in these elements. If a diode has a cathode, an anode, and a supplementary anode (the control grid or plate) and ...
0
votes
1answer
44 views
Grounding GPIO pins during 8051 programming
I'm trying to make a programmer for the 8051 microcontroller IC's, specifically the AT89C2051. I saw a circuit online (the blowit programmer) in which the unused GPIO pins are left floating.
When the ...
2
votes
2answers
66 views
need help identifing parts
The first Green bit is a thermistor out of a fluke 374 clamp meter, but cant find the manufacture from the logo or what the number means.
The other is a socket pin from a single wire connector, its ...
0
votes
1answer
44 views
Nintendo 64 Controller Pins
I am looking to find the correct kind of crimp pins that go in the controller nub of a Nintendo 64 controller. I have attached some pictures of what I'm looking for. I have read up on terminal pins ...
0
votes
2answers
44 views
optocoupling a triac: correct pins
I was reading
PLEASE BE AWARE THAT... the moc output MUST BE between the triac pins
A2 and G it is never written in any datasheets but it MUST be so or
your triac won't commute ...
https://www....
0
votes
1answer
106 views
Pin out clarification, I need some help understanding the pin outs
What do the pins "/CS", "SCK", and "SDI" mean? From my bad understanding of this diagram, I only have to run 3.3V to "/CS", "SCK", and "SDI".
Is this true or am I way off?
Let me know in the ...
1
vote
1answer
43 views
Altium Designer 16.1 Can't find Pin in Place Menu
I am new to Altium, so this is probably a stupid question. I want to place a pin in a schematic, as described here.
But I cannot find pin in any of the menus.
No pins anywhere... What am I doing ...
4
votes
5answers
2k views
What is the criteria of choosing a given pin pattern in ICs?
For example, why in the Atmega328P or other MCUs, the group of ports are not contiguous? Like PORTC and PORTB in the Atmega example:
Another example is this MC9S12ZV:
In particular, checking the PPn ...
0
votes
0answers
44 views
Naming confusion, how to connect DAC (BB/TI PCM1603KY) I2S, which pins do I need to use?
I am totally new in the field of DAC's and I2S. I salvaged this board from a DVD player and is well documented. There are three data lines DATA1..DATA3 that will be used for ...
2
votes
1answer
150 views
How to connect to tiny pogo pins in test fixture?
I'd need to build a test fixture with very small pogo pins (1.27 mm spacing between the closest pins). I've seen fixtures before that use very long, very thin pogo pins almost exactly like this one ...
0
votes
1answer
42 views
Different level TTL driving each other? A problem?
I connected a GPIO of a 3.3V level board (schematic, pin is 5V tolerant) as output to a 5V Atmega328p (schematic) pin configured as INPUT_PULLUP.
I perform a low active control function with that.
...
0
votes
0answers
79 views
6-Pin Battery Connector to 2 Wire Terminal Connection
I have a 16V 6-Pin battery. I am trying to get it so that I am going from a 6-pin connection to a 2 wire connection. I have been unable to find any adapter online so I went ahead and cut off the ...
0
votes
2answers
88 views
Is it possible to toggle a pin between “ground” and “not connected”?
I am trying to control a pump (ismatec ecoline V380) from a microcontroller (xmc4300, infineon) using an analog interface.
The pump takes several inputs, most importantly: the speed (from a current ...
1
vote
1answer
37 views
Intercept pin headers, three way or the header?
Is there some kind of T-splitter 3-way-splitter etc for pin header blocks? Something that passes through the pins but also contacts them and exposes a set of right angle pins too? So you can use a ...
0
votes
1answer
59 views
What kind of fan connector is this?
I need to change fans of my beamer but I cant find a replacement because I dont know which connector they used.
Thought it would be an 3 Pin connector but it isnt.
The connector in the pictures is ...
0
votes
0answers
61 views
What are the rr pins on an sram?
I've been using an IBM liberty (cell library) file for some SRAMs, dating back to 2007. [For copyright reasons, I can't post the content here]. I don't have the datasheet, and I've been trying to work ...
0
votes
2answers
99 views
Need to identify this pin / terminal
I need to identify this pin so I can order more.
RESEARCH: I've pored over Molex.com, Allied Electronics, and here with no success. I also reached out to JST and Allied directly but they were unable ...
1
vote
1answer
102 views
How can I check if an IO pin is dead?
I've been playing around with I2C for a couple days now with a DE10-Nano dev board: I'm implementing an I2C master in CLaSH so that I can talk to the HDMI encoder chip, but for now I'm talking to an ...
1
vote
1answer
88 views
Identification of 2-pin connector on 1999 Pump Machine
During my master thesis, I need to install an old vacuum pump to an machine (1999).
However I encountered this type of connector, which I am not familiar with. I have searched around the web with no ...
0
votes
2answers
54 views
Altium pin parameters in symbols
thanks for the many great questions and answers over the years. This is my first question.
I use Altium Designer for capturing designs.
I had an idea to make my processor components a little more ...
1
vote
1answer
123 views
Need to identify this pin receptacle and plug [closed]
I need to identify this pin and this plug so I can order more.
RESEARCH: I've pored over Molex.com, Allied Electronics, and here with no success. Please understand, I'm fairly new to electrical ...
1
vote
2answers
78 views
Query: why a 4-pin DIN plug on a 5 VDC 10 A supply?
My new 5 VDC 50 W PSU has a 4-pin DIN output plug. The output diagram on the PSU lists two pins as (-), and two as (+). The voltage between any +/- pair is identical (5.13 V), so why the need for two ...
1
vote
1answer
75 views
1
vote
1answer
443 views
Arduino - Using NPN transistor as a switch to pull-up/down analog pin
Let me start by saying that I am not an EE, and my knowledge in Electronics is basic, so please bear with me and be patient if, initially I am bending a few rules.
In Epee fencing, a touch is awarded ...
-1
votes
1answer
203 views
How do you connect a device pin AIo when there is only AI0+ and AI0-
I am new to electronics and I faced this problem. I tried to search about it but got lost.
Here is the sensor and the DAQ device
https://docs-emea.rs-online.com/webdocs/13ec/0900766b813ecfc2.pdf
...
1
vote
1answer
57 views
What to do with internally unused pins on a non-programmable device?
I'm designing a board for using the FLIR Lepton 2.0 LWIF camera (datasheet at https://www.flir.com/globalassets/imported-assets/document/lepton-engineering-datasheet---without-radiometry.pdf), and ...
1
vote
1answer
54 views
Pager system charging pin and socket
Does anyone know what these pins are called? This is a pager from paging system used in certain restaurants. I'd like to know what it's called as I want to use it in my device's design. I need to know ...
0
votes
2answers
102 views
Can I test if a battery is connected to a circuit?
I have a 12 V rechargeable lead acid backup battery that is connected to a circuit. When the battery is not in use there is a constant 12 V applied for charging, and when the battery is in use there ...
1
vote
1answer
107 views
Soldering double deck pin headers
Please take a look at a PCB like this one (STM32 Nucleo64 board):
They utilized so called "double deck" or "stacked" headers, meaning they can be used from both sized (top and bottom).
My question ...
1
vote
2answers
267 views
Can problems arise from mixing 2.5mm pin pitch components with 2.54mm through-hole protoboards?
I am new to electronics and from what I understand, most protoboards seem to be standardized on a 2.54mm (0.1") pin pitch. I am also aware that there are through-hole components which are manufactured ...
0
votes
2answers
116 views
Resistor or no resistor between this IC and the pmos GATE?
I'm using this IC (https://www2.mouser.com/datasheet/2/609/ADM1270-878589.pdf).
This IC controls the GATE of a pmos. I'm thinking about using this MOSFET (https://www2.mouser.com/datasheet/2/389/...
