Questions tagged [connecting]
The connecting tag has no usage guidance.
11
questions
4
votes
1
answer
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What is the best way to retrofit a connection between a circuit board and its case (housing)?
This is a very specific well defined question, imho, but it's also likely to be that I can do anything better. This strikes me as amazingly bad engineering.
Hondas and Accuras all have a problem with ...
1
vote
0
answers
43
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ESP32-C3-MINI-1-N4: can't establish Serial connection but can flash code
I've recently build my own dev board utilizing the ESP32-C3-MINI-1-N4 module. Everything works pretty well and just as expected, I can control a few onboard LEDs just fine and upload code and ...
0
votes
1
answer
57
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Pinout and details for the ME4-H2 hydrogen sensor from Winsen
I have been trying to understand and use a hydrogen sensor from Winsen (ME4-H2).
However, the datasheet is scarce in information about the pinouts and other details.
The pins are called C, R, W and an ...
0
votes
2
answers
107
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Understanding audio jack connections
I have an audio jack but I have no clue how to connect wires to it. Please help me to understand its connections. I have provided the images of it. I do not know how to connect it, please help.
It ...
0
votes
1
answer
74
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Datasheet of camera autofocus driver IC
I have a camera lens with auto focus. I opened it and found a tiny (2x1 mm) IC. A search on Google for "auto focus IC" showed it has 6 pins (GND, Vcc, SDA, SCL, and 2 outputs for the voice ...
0
votes
1
answer
32
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Suitable driver for BLDC motor
I have a BLDC motor with Hall connections Hu, Hv, Hw and U, V, W. I am looking at a driver for the BLDC motor, but the driver has hall connections HA, HB and HC. Are Hu, Hv, Hw and HA, HB, and HC the ...
0
votes
1
answer
685
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INA219 to measure battery voltage
I want to measure the voltage of batteries. I am using an INA219 powered by an Arduino MKRWAN 1300. I have connected the INA219 to the MKRWAN as seen in the image below:
However, I seem to have a ...
0
votes
1
answer
280
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How connect the STlink on NUCLEO f401RE to communicate with STM32F4 discovery?
I have this configuration of MCUs.
I need to know how connect the STlink on NUCLEO to discovery because I need the Virtual com PORT.
0
votes
1
answer
164
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Trying to make a 4100mAh, 47.4Wh battery for handheld PC
Stumbled across this site when searching for some info.. I'm hoping that one of you kind people will be able to help me.
I have an Aya Neo Pro handheld gaming PC, and the battery has died. The problem ...
2
votes
1
answer
139
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BPT intercom contacts [closed]
I live in a condominium. There is a door intercom system (see picture 1). The intercom is made by BPT company (Italy), model E/272 (see diagram in picture 2).
Since there is too much noise, I can't ...
0
votes
0
answers
77
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How do I connect to the strange black contacts on a PC keyboard's PCB?
I want to build a little box with switches, so that I can flip a switch and it will hold down a keyboard key on my PC. My idea is to take the little PCB from an existing keyboard (a Microsoft Wired ...