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I'm experiencing an issue with the Hitachi (XNY actually, probably legacy production) 1604A LCD display module V1.1 on a product I designed and yet build in several prototypes that never suffered this ...
Analog Trust's user avatar
  • 9
-2 votes
1 answer
185 views

My GPS module schematic is not working. Here's the description of it: An AMS1117-3V3 voltage regulator is used to convert a higher input voltage down to 3.3V for powering the GPS module and ...
Shivam garg's user avatar
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3 answers
100 views

This video exhibits a hack to make a 5 V relay module work with under-powered trigger signal from single-board computer like a Rapsbperry Pi. He adds a potentiometer at the base of the transistor in ...
nightcrawler's user avatar
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0 votes
1 answer
134 views

I was cleaning my new office and found out that the previous employee left some modules undocumented (GPS, GSM and others). However, I found one module that I couldn't identify, so I'm asking for your ...
Bryan Horna's user avatar
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1 vote
2 answers
566 views

I would like to know the purpose of a diode connected to the optoisolator and gate resistor of this Chinese MOSFET module. Is it for reverse polarity protection? What kind of diode could it be? I've ...
en1010's user avatar
  • 115
1 vote
1 answer
193 views

I have two stepper motors onboard with two stepper drivers to control them, two endstop sensors, an ESP32-C3-DevKitM-1 to control the system, a smart battery powering all the system and finally, which ...
A.Ferjani's user avatar
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0 answers
52 views

Circuit 1 AA battery (1.5v) connected to step up module (5v) can power a 5V DC cooling fan standard Circuit 2 if a DC centrifugal/ radial 5V cooling fan is connected then its not working. I tried 2 AA ...
Shrek17's user avatar
  • 1
-3 votes
1 answer
86 views

I have a piezo amplifier from PI instruments (model: E 610) that has to be connected to a cylindrical vibration sensor(piezo). I do not know how to make it vibrate using the amplifier and a function ...
Anang Katyayan's user avatar
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1 vote
1 answer
93 views

To better understand what it is that I'm asking about, please compare "Code A" to "Code B" below. Code B is more compact, but unfortunately does not produce what I would consider ...
phil1008's user avatar
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1 answer
324 views

I'm trying to wire up a RAM module based on the Ben Eater's RAM Module Part 1 video, but there are no available RAM chips where I'm located at so the only IC I have available is a CAT22C10 NVRAM which ...
deltakid0's user avatar
  • 111
0 votes
1 answer
164 views

I'm designing a PCB in which I would be using an Arduino microcontroller. On the same PCB, I want to add an MPU6050 sensor. But the problem is that I am not sure how am I gonna be connecting it ...
Vishal Roy's user avatar
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120 views

I’m an individual that likes to tinker around with things and I’m asking for help. I’m in the middle of a car audio system update. I currently use a basic relay as a “turn-on” switch for my ...
Rick's user avatar
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1 answer
61 views

I am using mean well SCW12 series isolated dc dc smps power supply module. The thing that confuses me is the working principle of the r.c pin. (PowerON: R.C. ~ -Vin > 4VDC or open ; Power OFF: R.C. ...
Electronx's user avatar
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2 votes
2 answers
163 views

*Edited, AGAIN, in an attempt to remove any confusion Settle this debate! I am designing a Harness for testing the functionality of a PDU (Power Drive Unit), operated using CAN (ARINC-825). Prior to ...
joel cox's user avatar
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1 answer
403 views

I’ve bought below XL4016e1 buck module. There is an empty spot between the Indicator light and Input negative, between the left ...
the Hutt's user avatar
  • 177
2 votes
2 answers
533 views

I've noticed that many DC to DC converters that have have almost the same current output will have inductors that vary vastly in their rating. For instance, I've got two separate buck-boost modules ...
soconnoriv's user avatar
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1 answer
99 views

This is a internal circuit of PSS30S71F6and datasheet is attached. I would like to ask you what are Vufs (1) and Vufb (3) pins for? This pins are keep burning for a reason but i haven't figured it out....
wolyure's user avatar
  • 157
1 vote
1 answer
1k views

I use the XADC IP, for which a module na7_chseq_xadc is used to write the digital data from the ADC in registers adc2_out, ...
Suhanya's user avatar
  • 11
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1 answer
541 views

How to enter RN4678 module in command mode? Does anyone know about connecting the module and the procedure for entering command mode? Connection: P2_0 LOW P2_4 HIGH EAN LOW SW_BTN HIGH P3_3 ...
yogesh shekade's user avatar
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1 answer
525 views

I have a DC-DC boost converter module with 390 V output. Its output voltage is adjustable using its 50 kohm multi-turn preset pot. The problem for me is this multi-turn preset pot takes too many turns ...
Tito's user avatar
  • 485
0 votes
3 answers
116 views

We have a sensor with UART interface (baudrate 115200). Sensor sends data at 1 Hz. We connect it to Ebyte E32-868T30S RF module to send sensor data. We configure the RF module before assembly and can'...
Htekin's user avatar
  • 31
-1 votes
2 answers
362 views

I was looking at using the raytac MDBT50Q-UATMS radio module for a personal project. I am still investigating exactly which module I will use, but I expect it to be similar to this one. Looking at ...
user4574's user avatar
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1 answer
65 views

I need to read sensor position with 16 bit resolution, with this spec: I currently have in hand the DC682A ADC, but Im not sure if I can use it from datasheet LTC1859: "The input impedance is ...
Knowledge's user avatar
  • 553
1 vote
1 answer
412 views

I have several camera modules as shown below, but I don't know how to connect them to my PC. I searched for similar modules and found the camera module CMT-2MP-IMX291-C014 Using Sensor 1/2.8'' SONY ...
Kẻ Vô Danh's user avatar
  • 25
1 vote
2 answers
131 views

Apparently you can't run 7.4V servos through this. Anyone know what chip I blew up? Trying to work out if I can fix it or need to buy another PCA9685. Thanks
djb's user avatar
  • 133
1 vote
2 answers
553 views

I have an Arduino project which involves turning on a couple of devices which require an input voltage in excess of 5 V. I have successfully prototyped it using three Grove-Relay modules. I now want ...
TomTry's user avatar
  • 11
1 vote
1 answer
76 views

I bought this module but I don't know how to use it. The supplier provides this example: Setting virtual serial port parameters: ...
Sederato's user avatar
  • 11
0 votes
0 answers
41 views

I am using an RN42-I/RM Bluetooth Module, ADS1298IPAG and dsPIC33EP256MC202 206 IC 16 Bit Micro Controller & Digital Controller. The problem I am facing is initially the RN42 Bluetooth module will ...
Basavaraj's user avatar
  • 1
-1 votes
1 answer
97 views

soon I'm gonna build a motor controller and that's why I've started searching some IGBT Modules . The thing is - when I read some datasheets I see the current ratings but I don't understand what those ...
lidorov19's user avatar
  • 71
0 votes
1 answer
5k views

I am currently in training phase with verilog and I encountered an error near the 'module'. Basically what I did is that I want to assert the output q to be either '1' or '0' from my design, which is ...
asyy's user avatar
  • 11
0 votes
2 answers
148 views

I'm trying to wire this module. I'm just confused as to what the difference is between the two triangles and how would I connect them?
Chris's user avatar
  • 33
-1 votes
1 answer
294 views

I am working on project that requires two Raspberry Pi CM4 modules and a SOM CN9130 module to communicate each other with a data speed of 1GBPS. Both modules have Ethernet and support the PCIe bus. ...
Saheb Mandal's user avatar
  • 1
1 vote
1 answer
106 views

I'm using an SD card module with ESP32. My plan is to store configurations such as SSID and passwords. I tried the function with a text file which contains the text "Hello" and for ...
kachaya's user avatar
  • 11
0 votes
1 answer
123 views

Is it ok for me to combine multiple prebuilt modules, put them into casing and sell them to public? such as (accelerometer) https://core-electronics.com.au/adxl335-triple-axis-accelerometer-gy-61.html ...
Joe's user avatar
  • 1
-1 votes
2 answers
2k views

I am using a TP4056 charger module to charge a 2000 mAh lithium-ion cell (18650). The source voltage is from a solar panel that generates a maximum voltage of 4.0 V. The TP4056 charging module is not ...
user3661448's user avatar
  • 11
0 votes
0 answers
51 views

I have some issue turning on the module Quectel BG600-ML3. Here are the instructions given in the data sheet : The PWRKEY must be taken high for 500-1000ms. I can only affect the MCU_PWRKEY (Turn on ...
Glantin's user avatar
  • 1
0 votes
1 answer
438 views

My SIM800L-EVB GSM module wasn't registering to network even after providing good power supplies. On troubleshooting I found that the terminals A and B, to which the antenna attaches(see img attached) ...
Rishab Navaneet's user avatar
  • 113
0 votes
1 answer
584 views

I am a beginner in designing electronic boards and PCBs. I want to design a board, somehow, this board should be able to receive surround sound through a microphone and send it via a Bluetooth IC. The ...
Alireza Jazaeri's user avatar
  • 41
-2 votes
1 answer
2k views

I have a xl4015 5A with only voltage adjuster. Can I use it for charging 2 series and 2 parallel 18650 cells? I saw a circuit diagram but in that diagram the xl4015 has variable current adjuster. It ...
asad.qazi's user avatar
  • 97
0 votes
2 answers
425 views

Some months ago I did the layout of a board with a GSM module SIM800L and below is shown the antenna circuit that was used. We assembled 200 PCBs with R22 = 0R jumper and C28 and C29 not populated and ...
abomin3v3l's user avatar
  • 677
0 votes
1 answer
94 views

In a MOSFET module, when looking at the data sheet can I assume the current through each MOSFET device is the given Id, or is Id the current moving through the entire MOSFET module? For the data sheet ...
FromMyWindow's user avatar
  • 1
1 vote
1 answer
927 views

I have just started learning kicad and schematic design. I am trying to import MKR 1500 arduino eagle files to kicad. I am able to load all the schematic symbols except shifter1. My import procedure: ...
ABN's user avatar
  • 123
0 votes
1 answer
127 views

I am using an LM386 opamp Module from Amazon. I am powering it with a 5V input (just to power it, not intending to amplify anything at this point). Nevertheless a multimeter measures an amplified ...
Arjuna Deva's user avatar
  • 115
0 votes
2 answers
137 views

I'm currently designing an industrial control panel that I'd like to be as compact as possible, and was looking at interface relays, and was hoping to find a specific feature, but now I'm not sure it ...
sandyscott's user avatar
  • 215
0 votes
1 answer
5k views

I don't know the basic functionality of the circuit and I need a complete description of every component.
Megakawa's user avatar
  • 1
0 votes
0 answers
71 views

I'm designing a four layer board with an RC-S2LP-868-HA RF module which has a little helical antenna. I have two question about that. First, how do I calculate the required ground size for the RF ...
slimcolt's user avatar
  • 1,213
0 votes
0 answers
472 views

Im trying to send a SMS message using the SIM800L GPRS GSM module. I know this might sound stupid but, do I need to load my SIM first before it can send SMS message? If possible, can I just pay after ...
Satou Kazuma's user avatar
  • 155
1 vote
0 answers
93 views

I need a module that can take a DC voltage of 2V - 12V continuously as its input and produce atleast 2KV DC continuously as its output. I've come across high voltage generator boost modules but they ...
Somanna's user avatar
  • 335
5 votes
4 answers
810 views

https://www.evwest.com/catalog/product_info.php?products_id=463 I am referring to the Tesla battery module listed in the above link. It says a single cell has the following specs: Nominal Voltage = 3....
user401393's user avatar
  • 51
2 votes
2 answers
1k views

I bought this 2-relay module: https://www.amazon.de/gp/product/B00E0NTPP4/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 I'm testing it out using a 5v 1 amp power supply. If the JD-Vcc jumper is ...
user9374448's user avatar
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