The arrangement of pins and their functions on a device

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1answer
46 views

How do I wire these potentiometers?

I'm trying to make this circuit (components in question are R10 and R11). I have two really nice sliders I bought from Science ...
0
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1answer
53 views

UART TTL - Which pin is 5V?

I have a board with the following connections: TMS TDI TDO RXD TXD RTCK TRST TCK GND I am trying to connect my USB UART TTL to it (I have connected the RXD, TXD, GND) but I am not sure which pin I ...
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1answer
35 views

What determines the # of pins of a cmos Imaging sensor?

Why do some cmos Imaging sensors have 48 pins and others 36 and some 34...e.c.t? I'm new to these sensors and I don't really understand the connectivity differences.
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1answer
47 views

I need a quad NOR gate that is pinned out like a quad AND gate? Is there a good way to search for this?

So I have the footprint for a 2-input Quad AND gate (SN74LV08A) on a PCB. It is a 14-TSSOP and is pinned out like this: However, I want to change the logic to four NOR gates. The problem is, all of ...
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2answers
49 views

Layout of doubled SW pin on buck converter IC

I'm working on a PCB for the MP2617. That IC integrates a buck converter and has two physical SW pins sandwiching the VIN pin, as shown in my tentative layout below. No other pins on the IC are ...
2
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1answer
45 views

Pinout for a 6 pin 3x4 keypad

I have this old keypad sitting around, never used it because I could never figure out the pinout for it. Anyone know how this would be wired to something such as a picaxe/arduino? Front of the ...
4
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2answers
418 views

Confusion around a components pins

I'm looking to use a RBO40 reverse battery & over voltage protection. I was unable to find the RBO40-40T (with 3 pins) anywhere so had to get RBO40-40G, which is slightly different, it has the ...
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0answers
45 views

Can I repurpose a tablet touchscreen to use as an oversized touchpad for a computer?

This is what is written on the flex ribbon: A11020A1013 UniDisplay UF-1102 I could only find it for sale on the internet, no real usable information. Only ...
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2answers
79 views

How do I wire a 9 pin serial connector into a RJ11 4pin connector?

I am working on a project, the door control system I am using is a bit old, and it works through a serial connector on a 4 pin RJ11 line. I am currently trying to wire an old serial wire into its RJ11 ...
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4answers
217 views

Replacing the Arduino voltage regulator

I want to replace the onboard AMS1117-5.0 (broken) with a LM7805. However, the pinout is different between the two voltage regulators; AMS1117: Gnd, Vout, Vin vs LM7805: Vin, Gnd, Vout. I would like ...
0
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1answer
59 views

What do I need A0 in a USB Controller (PDIUSBD12)?

I'm reading the datasheet of the USB controller PIDUSBD12, but I can't understand what the goal of the A0 pin. In the controller there is a data bus (D0-7) and this A0 pin, the datasheet says that ...
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2answers
138 views

Output clock of the LPC1768?

I am using NXP's LPC1768 development board and I came across the User Manual for this part and page 67/849 section 4.10 descusses the External Clock Output. I couldn't figure out which pin out of the ...
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2answers
86 views

Help identifying pinout [closed]

I've found a mini camera. The device has a mini-objective with a tag P3.7 (I guess this is the resolution), 2 wires (red and white which I suppose are ...
0
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0answers
83 views

Pinout/Datasheet of Delta DAC-08N001 backlight inverter

I'm repurposing a old notebook display for another project but I can't find the datasheet for the backlight inverter. It's labeled Delta DAC-08N001 and has a 5-Pin input connector (as opposed to the ...
0
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2answers
122 views

What are the address input pins used for in ds1621?

I just bought a ds1621 temperature sensor and started reading its datasheet. I found out that it have 3 pins (A0,A1,A2) which as specified in the datasheet are chip address input. Can somebody ...
0
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1answer
168 views

Salvaging colour LCD from Brother MFC-J6710DW printer

I have salvaged a colour LCD from an old Brother MFC-J6710DW printer and I'm trying to work out its pinout, to eventually use with an Arduino. On the back it has the following characters printed: ...
0
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2answers
252 views

How do I use a 5 pin potentiometer?

I have a 5 pin trim pot I desoldered from an old board. I am assuming maybe it is a dual gang poteniometer or something with a common ground pin. Does anyone have any ideas what the actual pinouts ...
0
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1answer
58 views

Need Help… So Confused with this QFP32 SA663 Socket

I purchased an SA663 clone QFP32 Socket online, but to my extreme dismay, it doesn't work, or at least I haven't been able to get it to. Basically the original SA663 is a 1:1 pinout. But after trying ...
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3answers
110 views

Can this circuit board be repaired?

This is a board out of a Super Nintendo game cartridge. It appears to have damage from a few of the leads, and this game definitely doesn't work when tested. The game is very rare and worth my time ...
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2answers
93 views

How do i hook up this 2-digit 7-segment display

I have a 2-digit 7-segment display. I'm not able to determine the common anode pins even after consulting the datasheet. Where are the anode pins? Thanks!
0
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1answer
126 views

old ibm trackpoint pin scheme

I have a trackpoint from a thinkpad keyboard with a trackpoint mounting a PTPM754DR microcontroller, what I'm trying to do is to find the usage of various pin on the trackpoint board and connect them ...
0
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1answer
34 views

hantronix HDM24216L-2-L3ES pinout

I am looking for the pinout on a hantronix HDM24216L-2-L3ES 24x1 LCD. I found the datasheet: http://www.hantronix.com/files/data/1278557021char-comm.pdf but I cant determine what the pinout is. Can ...
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2answers
313 views

Datasheet for a DU1PU relay?

I took apart an old microwave oven and found the relay the computer chip closes to activate the magnetron. The relay is a DEC DU1PU, made in China. Does anyone have a datasheet for it? I'm mostly ...
0
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2answers
57 views

How to I wire this particular variant of 2.5mm female jack?

The second image has the pins not the top one. Now the pinouts are a bit confusing here. Now, I've wired a jack before but none like this. Can someone please help me out?
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1answer
82 views

How do I wire my 4066N analogue switch

I plan to use one of these to throw two switches at the same time: http://www.digikey.ca/product-detail/en/74HCT4066N,112/568-7854-5-ND/1230913 The switches should be closed when the voltage from ...
2
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4answers
261 views

PCB Layout, Functional vs Actual Pin Order

I'd like to continue this conversation here: CAD Schematic pin arrangement approach Basically, there are 2 major ways to do schematic symbols, either with true pin order or by grouping pins by their ...
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1answer
70 views

What are these unpopulated holes on the Arduino Leonardo?

None of the pinouts online mention these holes next to the power barrel and LEDs. Are they connected to anything?
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5answers
384 views

LDO - SOT223 - What's the Fourth pin for?

What's the fourth pin in LD1117-33 for (the thick on the top)?
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1answer
1k views

DC Power supply Jack connector pinout

I'm trying to make a footprint for this connector: But I have a trouble about pinout. What is the SLEEVE TERMINAL, TIP TERMINAL, SHUNT TERMINAL? What is my power connection? V+ and GND?
0
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1answer
278 views

How to connect 5X7 LED dot matrix which has 7X7 pin both side.

I have 5X7 led dot matrix. But I am confused, how to connect it. Because it has 7 pin both the side. So, I am not going to differentiate that which is Row and column pin.
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3answers
170 views

Schematic & pin reduction

I am using arduino Uno for developing my project. There are totally 24 analog hall sensor out put,1 temprature ananlog output, 1 Rshunt voltgae measurement. There are totally 26 Analog sensor.I am ...
0
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0answers
129 views

Identifying unusual LCD pinout of salavaged HP printer

I salvaged the following lcd from a relatively new HP printer, but the pinout seems a bit odd, any ideas how could I set up the screen?
0
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1answer
75 views

CS4234 has two I2S data I/O lines?

I have an application where I'll be sending audio data to a codec. The CS4234 fits my needs very well, although with other I2S codecs, there have only been one data in line for the communication. The ...
0
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2answers
105 views

I am messing around with some power supplies. There are pinouts labelled “reserved” and “remote”- what are they?

I have worked out that that the Remote pin works like the Green "Power Supply On (active low)" wire on an ATX supply, and found a wiki on remote sensing about it being used to get diagnostics on the ...
2
votes
1answer
130 views

27512 pinout and PCB layout

I'm trying to design PCB traces for a 27512 EPROM chip. But its pinout for the higher half of the address bus seems completely illogical to me and I cannot imagine how should I lay out my traces for ...
1
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1answer
580 views

Specs of HK-TR6A remote controller receiver

I'm trying to use a 2.4 GHz digital 6 channel remote controller to send signals to an Arduino UNO R3 board. The receiver is the HK-TR6A-V2. I can't find any information on what each pin input/output ...
6
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2answers
693 views

Transistor pinout - how to read the datasheet

Is the capsule's straight face visible? Or the round one? Is that top view or bottom view? Do all datasheets use the same orientation? This is the datasheet. I'm not looking for an answer ...
7
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4answers
617 views

Which of these marks signifies Pin 1 on the STM32F (LQFP64)?

I'm using the STM32F105, in a LQFP64 package. It has two circular markings, on opposing corners of the IC. This picture is for a different ST ARM, but the markings and silkscreen are similar: The ...
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1answer
38 views

Pinout for EA-X40027AR

Can anyone show me a pinout for the Character LCD EA-X40027AR from EPSON? I've already found a datasheet but it has no pinout...
1
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1answer
43 views

STK4192II pinout?

I have been blowing through bandwidth trying to find a pinout diagram of an old STK4192II stereo amp IC but all I can find are reference design schematics, while these will work I guess I want to use ...
1
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2answers
332 views

MSP430 Pin Variables

I am trying to program an MSP430FR5969 for the first time. I successfully executed and modified a program to blink one of the LEDs connected to P1.0. The relevant predefined variable is P1OUT. The ...
0
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2answers
65 views

Need help finding datasheet for Mitsubishi Electric AA11SB6C-ADFD TFT

Searching datasheet for Mitsubishi Electric AA11SB6C-ADFD LCD display. This LCD is discontinued product, no information on official site. Already tried sites like datasheetarchive, alldatasheet. Still ...
1
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3answers
314 views

Need help finding datasheet or pinout for Toshiba TCD2907DG

I really want to play with Toshiba TCD2907DG - this is color linear CCD sensor. I've found a number of datasheets for other TCD*, but not this one. I would really appreciate any reference to ...
1
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1answer
2k views

Meaning of control pins: CE, OE, WE

Just understanding some syntax. On my Ram (6116) and Rom (27C64) it has a asserted low CE and OE pins. These I believe are control pins. I'm assuming to use the RAM for example, chip enable (CE) has ...
3
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1answer
203 views

Standard nomenclature for 2-row connector numbering schemes

Two-row connector blocks are ubiquitous in small-run and hobbyist PCB designs. Pitches of 0.1" or 2mm are the most common, and there are all sorts of options for board-to-board or board-to-wire ...
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1answer
169 views

Purpose of the Latch Enable (\$\overline{LE}\$) and Ripple Blanking (\$\overline{BI}\$) pins on 74HC4511

I am looking at the datasheet for the 74HC4511 (available here), and I am confused by the usage of two of the pins: Firstly, the "Latch Enable" pin (\$\overline{LE}\$), and secondly the "Ripple ...
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1answer
257 views

Designing RJ45 connector to have 100Ω differential impedance

I'm designing two pairs of connectors that have same layout as RJ45 (just 2 inner pins) to have 100 ohm impedance deferentially. Are there tools that allow to calculate impedance or ...
1
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1answer
268 views

Help me understand the pinout of this 21" LED display driver

I am trying to connect a 21" LED Display driver's input pins to my power board. There is a datasheet also but it doesn't have the input pin diagram. Therefore, I have got the below attached input pin ...
2
votes
1answer
206 views

Utility of two pins requiring same voltage

I have a LED backlight driver, which has input pin assignment as: Pin Function 1,2 12V Input 3 Brightness control PWM : 100Hz~20KHz DC : 0.5V~2.5V 4,6 ...
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0answers
195 views

Help identifying pinout of LTM-0436M multi-segment LED

I've got following unique segmented LED display module from local store. It has 8-pin (physically similar to common 7-Segment display), the marking on body of the module is clearly printed as ...