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Questions tagged [pinout]

The arrangement of pins and their functions on a device

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1answer
38 views

STM32F103 SPI Pinout Problem

I am currently working on a project with LoRaWAN technology using STM32F103C8T6 microcontroller. For LoRa I am using SPI in Full-Duplex Master mode (spi1 specifically) and in CubeIDE when you activate ...
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1answer
55 views

Bosch security camera pinout

I have a Bosch NDC-274-PT security camera that had the wiring cut off at the base. It's a POE security camera (though it also supports regular 12 or 24V power), so I was hoping to find typical ...
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2answers
98 views

How to interpret this IC diagram?

Taken from Practical Electronics for Inventors is the following diagram: I’m little confused here. The pinout diagram shows pin 1 with \$\bar E_a\$. The functional diagram also shows a bubble with ...
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1answer
68 views

Laser diode help? [closed]

I recently took apart an old DVD player, for the laser diodes, but instead I found some strange looking components with many pins. Please help me find out what they’re are and the pinouts🙏🏻
2
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2answers
91 views

Unusual potentiometer pin configuration

I'm trying to identify this 30 year old ø24mm 10k log potentiometer so that I can replace it. The only marks on the rear are "RC-302" and "1348616" but that doesn't turn up anything in my searches so ...
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1answer
106 views

Damaged solder pads on FX-Audio DAC-X6 Alternate solder locations?

I've tried to remove a faulty 6.5mm headphone jack from a FX-Audio DAC-X6 and ended up removing the solder pads from the board. I'm trying to save this instead of trashing it and buying a new one for $...
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0answers
43 views

Where can I find IC packages list wich used in BSDL files?

I try to read a BSDL file. For example I take this. Then I change EQFP144 to TFBGA296 in this place: ...
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1answer
42 views

Does anyone know the YM2410 pinout (from the PSS-130 and PSS-30 line of Yamaha keyboards)?

I was recently making modifications to a PSS-130 Keyboard, and before I knew it, the keyboard would cease to make noise. I have narrowed the issue down to the main chip on the PSS-130, the Yamaha ...
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3answers
1k views

Is Texas Instrument wrong with their pin number on TO-92 package?

The official JEDEC standard to number pins on a TO-92 package is the following: But in many datasheets from Texas Instruments, this order seem reversed. For example, this is a screenshot from the ...
-3
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1answer
21 views

Pinouts for OKX-T/5-D12N-C not on datasheet

T/5-12N-C]1 12v -> 5v DC-DC converter for a project so that I can power a solenoid and a RPi with a single power source. Unfortunately, the datasheet doesn't list a pinout. There are 5 pins, and I ...
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0answers
57 views

What type of sensor connection would be the most suitable?

I have a pressure transducer with a 6 pin bayonet MIL-C-26482 male connector. I need to wire this connector with a 9 pin female D sub analog input connector and I am not sure how to do so. Schematic ...
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1answer
58 views

What is Mikrobus purpose?

I'm new to embedded systems. I have MPLAB Xpress Evaluation Board. I see that the board has MikroBUS connectors. Going through the internet, I couldn't understand what is the purpose of the MikroBUS? ...
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0answers
155 views

Connecting 21" screen to LVDS connector on motherboard

I'm working in an "All-in-One pc" project. For that, I have an old Dell laptop (which only works with DC adapter) and a 21" LG monitor. My question is: How can I connect the LCD panel directly on the ...
0
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1answer
126 views

DB25M to DB26M pinout

I am trying to connect a DB25 male cable to a DB26 male receptable. Seems that there are no out of the box adapters available for this, so will have to solder my own. Having trouble and a lot of ...
0
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1answer
30 views

Nidec gamma32 4pin pinout

I have Nidec Gamma32 D12F-24BS4 15BH2 blowing fan cooler. It has very strange coloring for wires: red-white-black-yellow. Probably two of wires are GND and +24v ...
0
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1answer
80 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 ...
4
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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 ...
8
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2answers
2k views

Microchip documentation does not label CAN buss pins on micro controller pinout diagram

Link to the data sheet I want to use Microchips DSPIC33FJ128GP802 in a new project and want to use the ECAN buss. The problem ...
1
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1answer
262 views

How to determine IBM USB 6 pin header pinout?

I have two IBM Power 7 machines - Power720 and Power740 (8202-E4B and 8205-E6B) and both have an internal USB 6 pin header (labelled J3_TAPEUSB_SIGNAL). These are for connection to a single device (...
0
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1answer
131 views

SPI programming flash chip(s) - connecting HOLD and WP pins

I am trying to learn with SPI programming and have started with this guide using a Beaglebone Black. I have one DIP8 package connected via breadboard for testing, and another SOIC8 package on-board ...
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0answers
66 views

LCD 18 (6 x3 ) Pinout without Datasheet AW -60i LCM V4.1

I have this (18 X 3) LCD Pins, I need help to find the Datasheet or the pinout for it. AW -60i LCM V4.1
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0answers
282 views

Pinout of FlySky FS-I6 Trainer Cable

The FlySky FS-I6 RC transmitter has provision to connect two transmitters together via a special trainer/student cable. A female S-Video connector presents 1=PPM OUT, 2=PPM IN, 3=TX, 4=RX, Case=GND ...
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1answer
23 views

Is connector 50PS-JMDSS-G-1-TF symetrical?

I'm looking at a design using connector 50PS-JMDSS-G-1-TF and the pin numbers do not match. They are symmetrically switched. So they would match if I could plug the connector the opposite way. Looking ...
6
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1answer
844 views

What do these arrows on a pinout represent?

What do these arrows represent? Is there any way to memorize it easily?
6
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1answer
1k views

What is the meaning of the “lasso loop” on circuit diagram?

I've never seen this "loop" structure in a circuit diagram before. Pin 6 has a line that loops around the lines from pins 5 and 9. Pin 7 has a line that loops around all other lines, except the ?...
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2answers
149 views

first pin of package LQFP

this could be most stupid question but i couldnt find where is the first pin: http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-11157-32-bit-Cortex-M4-Microcontroller-SAM4E16-SAM4E8_Datasheet.pdf ...
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1answer
117 views

How to wire a 6-pin 1/4" audio jack?

I'm fairly new to electronics, and I'm working on an amp for my guitar. I need to wire a 1/4" audio jack as the input of the amp. The jack has 6 pins and I'm really confused. I found the datasheet (...
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3answers
4k views

How do I wire a TMC2130 stepper motor driver to an Arduino UNO in order to control it?

I simply want to control a stepper motor with an Arduino and I need the TMC2130 to ensure it runs very quiet. I've done a lot of searching and somehow can't find how to actually wire it to an Arduino ...
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0answers
34 views

Analyzing pinout of photodiode in a ic

I have dissasembled a pick up head from a CD Rom. I can control the laser and but I also want to "read" the photodiode that senses the light reflected back. It is packaged in a clear plastic and has 8 ...
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0answers
2k views

Terminology - VDD vs VSS?

What is the correct voltage terminology for VDD and VSS? I've been installing a Winstar WEH001602D OLED and was struggling until I realised that it appears to have pins 1 and 2 reversed compared to ...
0
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1answer
174 views

How to read pinout of this SPDT relay G8N-1F

Introduction: The direction indicators of the car (Honda FR-V) are not working anymore. I managed to get the ICU (integrated control unit) out of the fuse box beneath the steering wheel. Hell of a ...
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1answer
213 views

DJI Zenmuse Z3 Pinout

Can anyone explain this pinout diagram? I only know that D+/- AMBA & DM are USB D+/- and H&L are for the CAN bus. What are do the blue and red contacts mean?
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3answers
628 views

Vss and Vdd pins' position on microcontrollers

I am starting to work on some designs with MCU-based boards, or sometimes just looking at companies' products involving MCUs such as Espressif, Udoo, NXP... I have noticed a puzzling similarity ...
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2answers
233 views

Reviving / upgrading a commercial LED sign

I have a commercial LED sign that in its stock format is only controllable by IR remote (the remote is long gone). I'm trying to create a new controller for it so I can push data from one of our ...
0
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2answers
248 views

Can no-connect pins on EEPROM ever be connected to VCC or GND?

I created a circuit in which all the address inputs of an AT28C256 are connected to outputs of shift registers (74HC164). In the future I will do many of these circuits, however I haven't yet ...
-1
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2answers
180 views

8x8 LED Matrix has 26 pins

Recently I issued a 8x8 matrix from electronics club in my college (if thats what you want) without noticing the number of pins present on it. Everywhere on the internet, working of 8x8 is explained ...
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0answers
76 views

How to identify pinouts in an Hp Server Front Panel

So I found some old server front panel and want to re-purpose its LEDs and buttons for some custom PC. How do I begin to identify the pin-outs without burning down the circuits? Image gallery
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1answer
2k views

LM317T with weird pinout?

So, some time ago I bought some LM317T voltage regulators. Today, I made a 50mA constant current circuit like this: Now, before you tell me that my circuit is wrong and that it should be wired in ...
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0answers
113 views

Mini HDMI female - is one pin supposed to be shorter?

I have a Raspberry Pi Zero with Mini HDMI output. I acts kinda weirdly - it does work with a TV with HDMI input, but when plugged into a monitor with DVI input (with an appropriate HDMI>DVI cable) it ...
2
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2answers
4k views

Pinout for board to board ribbon cable

Update/significant change: The question below is based on a false premise: taking into account that an IDC with keys pointing out from the cable on both ends swaps the front and back rows, simply ...
0
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1answer
2k views

BOOT0 circuit design in STM32f446

I'm designing STM32f446 chip in PCB in a project. It will be programmed through SWD. but I'm stuck with (BOOT0) pin. I want it to be (0) as recommended. The thing is that there is no enough info. ...
2
votes
3answers
573 views

Why are “ice cube” PCB mount power relays pinned out so that the COM pin is between the coil pins?

If you have used "ice cube" type PCB mount power relays before, you're probably familiar with the de facto standard pinout for them: Why is this such a standard pinout though? It's clearly not an ...
2
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2answers
10k views

SPI naming, SDI/MOSI confusion

I'm wiring an MPU 9250 in an SPI bus, and according to datasheet, the same pin as I2C SDA is SPI SDI: Which leads me to think that since this is Data Input in the slave (MPU9250), would be equivalent ...
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1answer
72 views

What type of sensor has diamond pinout like shown? Resistive bridge? Wheatstone?

I have worked with basic resistive sensors before, but I have never seen a pinout like this one and I'm not sure how the voltages work for these pins. I was told it may be a resistive bridge, but it ...
2
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2answers
2k views

Canon K30357 WiFi Module

I am trying to get the right pinout to this module from a Canon MX492. I would like to know which one is goes to red, black, green and white for a usb connector. I don't have the whole printer to test ...
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0answers
91 views

What is this early LCD/PDP interface?

This is the pinout for the internal screen connector of a 1986 Toshiba T3100SX 'laptop'. The screen itself is a orange neon gas plasma display (although they also made some with an LCD). Does anyone ...
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2answers
145 views

What does the COM do on a DC/DC converter?

I got one of these DC/DC convert chips thats supposed to give a -25/25 V voltage output. My "RGZ" model seems to be outputting -50/50 V and getting toasty. I'm not sure what the COM is supposed to ...
2
votes
1answer
662 views

Connecting MIDI patch cable DIN connector shielding and pins 1, 5

I am building myself a MIDI patch cable. According to resources such as http://www.leadsdirect.co.uk/technical-library/pinouts-wiring-diagrams/din-midi-wiring/ the middle pin of the DIN connector (pin ...
2
votes
1answer
1k views

Driving a Strange 12-Pin, 7-Segment, 4-Digit LCD display

I am putting together a project that requires a 4-digit numeric display and wound up ordering this. Unfortunately, something I completely failed to notice when ordering the LCD was that its pin ...
0
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1answer
34 views

IO Cathode PINOUT

I have to connect a peripheral 1-Wire 13.56Mhz RFID Reader https://doc.ruptela.lt/pages/viewpage.action?pageId=884781) to a device. The only info I have from the device ((FM-eco4/4+ ruptela: http://...