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Questions tagged [prototyping]

The process of making the first working sample of a circuit, that may be on a temporary base like a breadboard

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How much it costs to build a prototype of the following patent (Remote magnetic manipulation of nervous systems)? [duplicate]

This is a two part patent: the first one explain the principles, the second one has an application. Its about interfering with a human nervous system with extremely weak magnetic fields. Magnetic ...
galmeida's user avatar
4 votes
1 answer
413 views

Alternative to regular printed circuit board base material that can be cut by hand / with scissors / cutter

I'm currently designing a PCB with components (LEDs, magnets) and holes which require precise locations. To leverage an iterative physical prototype design process, I'm looking for a board material ...
Abdull's user avatar
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2 votes
2 answers
494 views

Using of physical FPGA for PCB prototyping

Does it make sense use a physical (real, not virtual model) FPGA while in the printed circuit board (PCB) developing cycle? FPGA and my future PCB will have different element basis (standard cells). ...
Vladislav Butko's user avatar
0 votes
3 answers
265 views

Connect multiple SDA and SCL on ESP32

I was wondering if you could set a GPIO pin of an ESP32 to be SDA or SCL even though the pin is not really intended for that. Here is the pinout of an ESP32 (Disregard the red rectangle): Source of ...
Rudolph's user avatar
0 votes
1 answer
96 views

Perfboard short circuit debugging

I've got a perfboard circuit I put together that's drawing 1.7A when just the 5V and GND pins are connected. As you might have guessed, this is not ideal given the existing components. The A4988 motor ...
Flubberknuckle's user avatar
0 votes
1 answer
67 views

Finding it hard to track connections when they are under the protoboard/perfboard

What I really like about creating the connections underneath the protoboard/perfboard is that you can create really compact circuits. Also, since there's no insulation, it's easier to make multiple ...
wyc's user avatar
  • 293
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1 answer
59 views

Single-core-wires: should sharp turns be avoided?

When making connections with single-core wires, should sharp turns like this be avoided, opting for a rounder turn? Or it doesn't matter?
wyc's user avatar
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2 votes
4 answers
308 views

How to learn/experiment with AC voltages safely in a breadboard-like environment?

I'm trying to build a project where I will use a microcontroller to control a heating element. From what I’ve read, it seems a TRIAC and Optotriac will be best suited for this purpose. While I'm ...
electronics_n00b494's user avatar
11 votes
5 answers
4k views

How should I wire my circuit onto a perfboard?

I have built this circuit on a solderless breadboard, and now I want to build a permanent version. I have all the parts, I want to build it today. How should I put this on a perfboard? Note that I am ...
Mattman944's user avatar
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0 votes
0 answers
48 views

TRIAC and zero cross detection

I am working on an IoT project to control the speed of my ceiling fan through my mobile. The problem is that the TRIAC and the fan speed circuit just won't work when it is on a PCB. I know it sounds ...
De PuP's user avatar
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6 votes
2 answers
1k views

USB (low speed) on stripboard: can it work?

I recently designed a PCB, with a connector for an extension module for "future uses" (with various signals: GPIOs, I2C, SPI, USB2.0, USB3.1, PCIe Gen4). The connectors are fine pitched (and ...
Sandro's user avatar
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2 votes
4 answers
147 views

PCB Mount Switch to Breadboard Adapter

I'm currently working on implementing this switch in my project (PCB Mounted). I'd like to move to the part of my project where I can implement a looks-like, works-like prototype, but I'm currently ...
Jelani Thompson's user avatar
3 votes
2 answers
140 views

How can I specify transformer Part number in BOM for manufacturing?

I am new to the AC-DC converters design and I would like to know what is required to describe a transformer to the prototyping company so that they can either procure an existing one, or have enough ...
user3076262's user avatar
0 votes
1 answer
114 views

Routing on stripboard/prototyping PCB

I'm regularly tasked with doing "quick and dirty" prototypes on stripboard and other prototyping PCBs (holes only, patterns like the solder-less breadboards, etc.). Those are usually very ...
Sandro's user avatar
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2 votes
3 answers
318 views

How to solder over solder mask

I'm new to prototyping with perf board (Proto board) and was wondering if I could solder over the solder mask to another hole instead of using wires to provide something for the solder to stick to. (...
Ayden Quinn's user avatar
1 vote
1 answer
48 views

Inter-board connect using DIN41612

I am using a Double Eurocard PCB prototyping board from Multicomp pro, (See https://www.farnell.com/datasheets/3216080.pdf) to build a pet project - it's wire-wrapped. I would like to be able to ...
Greycon's user avatar
  • 253
3 votes
1 answer
1k views

Looking for a way to connect a ribbon cable to a breadboard

I am currently looking to buy a 16-pin TE Micro-MaTch male cable and convert it to something I can plug into my breadboard (similar to a .1" pitch connector) Someone mentioned using a breakout ...
Jelani Thompson's user avatar
2 votes
1 answer
77 views

Designing a device to manipulate an analog audio signal

I'm a software engineer but have very little experience in EE. I'm looking to design a device that takes as input an analog audio signal and adds a chime if certain keywords are detected in the audio ...
David Chouinard's user avatar
0 votes
2 answers
204 views

How to name and find this breadboard jumper connector (commonly named Dupont cable) but with a removable pin?

I was sifting through some stuff I got from a friend whose uncle was a professor of electrical engineering and found a few of these 2.54 mm pitch prototyping cables (commonly known as 'Dupont' cables) ...
Daniel's user avatar
  • 375
8 votes
3 answers
1k views

How can I create a mist maker with a 9 V DC power supply?

Context Note: I am a beginner with electronics so please provide detailed explanations and add descriptions that are more beginner friendly. I really do want to learn how this all works. I am trying ...
Alex Thomas's user avatar
4 votes
4 answers
836 views

How can I prototype complex microprocessor circuits without a development board?

In the past I used toy processors like Arduinos which have convenient development boards. But say I want to use a more industrial-strength chip like the STM32F777. I know some versions like the ...
CaptainCodeman's user avatar
0 votes
3 answers
113 views

Long PCB breadboard [closed]

I'm looking for a PCB breadboard longer than this one: I spent a long while searching without success. Any clues or confirmation of futility of further search would be greatly appreciated. Here is a ...
Paul Jurczak's user avatar
0 votes
0 answers
37 views

Best way to test medium speed circuits without parasitic inductances

I'm working on a constant power source for some heat output science experiments using Arduino, low Rds N-MOSFETs and dead-time capable half bridge MOSFET driver. I plan to run this at around 30 kHz ...
Liviu Gelea's user avatar
2 votes
0 answers
103 views

How to prototype with sensitive electrical components without a PCB?

Right now I'm trying to get consistent radio operation with an NRF24L01+ and a Teensy 3.6, however in my experience working with radios they have extremely inconsistent connectivity when using ...
Jacob Waters's user avatar
0 votes
4 answers
600 views

What component is like a jumper, but doesn’t actually conduct?

I suppose you all know jumpers, those little things you put on top of 2 male, 2.54 mm pitch, pins. They serve to connect the 2 pins together (often used to "configure" a prototyping board), ...
Sandro's user avatar
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11 votes
4 answers
3k views

Why do power rails on breadboards omit connection points?

It seems most solderless breadboards don't have the connection points on the power rails aligned to the rest of the connection points. Some just omit every 6th; on some the gap isn't even a multiple ...
kai-dj's user avatar
  • 221
3 votes
5 answers
311 views

Boost converter IC layout fails with increased load

First post on here and not very experienced so let me know if there's anything wrong with my post as well as my design. I am trying to layout a boost converter using the PAM2421AECADJR IC I bought as ...
failsafe's user avatar
1 vote
1 answer
75 views

Can you physically connect an FPC to a FFC socket that has the same pitch but more circuits?

I'm interested if it's possible to make a 50 pin FPC breakout board and use it for cables of less pin count but of the same pitch?
George's user avatar
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1 vote
3 answers
426 views

How does one program for first time and reprogram microcontrollers that are mounted to a PCB?

Arduino Unos and Microchip Curiosity Nanos are for prototyping and easy and ready to program, but now I am struggling to find the resource material that would detail taking the chip off the breakout ...
user avatar
1 vote
0 answers
351 views

Developed USB device not recognized on Windows/Linux - device descriptor error - RTL2832 dev board

I am developing a hardware where I would like to use an SDR circuit (RTL2832). However on the first prototype the circuit does not work. It has a USB interface however when I connect it to PC the ...
D_Dog's user avatar
  • 453
0 votes
1 answer
403 views

Solder paste and perfboard/prototype board/donut board destroying the circuit?

Does perfboard/prototype board/donut board made of paper or something (at least it's not fiberglass, that much I know) become conductive when heated to the point of becoming black? I'm assuming these ...
user avatar
0 votes
2 answers
92 views

How to deploy a motor driver and MCU onto larger sized robot without a PCB?

The robots I built previously were all similar to the 4WD Kit from amazon. With these kits it's easy to use an H-Bridge breakout similar to this and using a perfboar to solder to the connections to ...
Sam Hammamy's user avatar
-1 votes
1 answer
816 views

How do I combine multiple separate electronic devices onto one PCB?

I'd like to create a PCB that has this I2C multiplexer on it, along with other components (resistors, external I2C device connections) that I deem necessary. However, I don't know where to begin. I ...
Mark Hofmeister's user avatar
5 votes
3 answers
1k views

Simulation versus Prototyping

I see a lot of questions here where people have seen a certain circuit mentioned somewhere, and their first step is to run it through a simulator. In some cases I wonder if the actual hardware ever ...
danmcb's user avatar
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1 vote
0 answers
232 views

Can I use eval boards for SoCs that support dual-role USB for prototyping a USB3 peripheral?

I have recently started prototyping a custom USB peripheral that I would find very useful in my work if it existed. I made the extremely crude proof-of-concept version using an Arduino Due, its native ...
pmdj's user avatar
  • 111
11 votes
8 answers
5k views

How do people prototype circuits without getting shocked?

I am just getting into soldering, developing prototypes on perf boards and microcontrollers. The current for some can be as high as 2 A. I am trying to build a drone and the BEC for one ESC is 5 V and ...
Ahmed Anwer's user avatar
0 votes
3 answers
2k views

How can I upload my code to Atmega328p?

There is no problem with uploading program on the first chip by using Arduino IDE. However, the following chips doesn’t work. Status is shown as uploading and it hangs there. I think it could be ...
alfonso's user avatar
  • 457
2 votes
1 answer
1k views

DRV8825 Stepper Driver Burning Up

I am trying to wire up 3 NEMA 23 Steppers driven by 3 DRV8825 drivers and an Arduino Due. I tried to solder a perfboard prototype, but when I turned it on the first board burned and the ground jumper (...
PlumpChump's user avatar
0 votes
2 answers
54 views

Programming I2C devices with NV EEPROM

Some I²C devices like the MCP4728 DAC have a small EEPROM allow programming the I²C address (and other configuration bits). I know that in high volume can be programmed by the vendor, but for low ...
KJ7LNW's user avatar
  • 2,200
4 votes
3 answers
2k views

Altium Placing components

I am trying to place components in Altium designer using the Manufacturer part search but the "Place" option is inactive. .
Brian Njenga's user avatar
2 votes
2 answers
338 views

How should I go about bringing up a prototype crystal oscillator? (+ load capacitor question)

As part of a project I am working on, I need to bring up a 4060-based 32.768kHz crystal oscillator circuit and ensure it works without breaking crystals or having cold start issues. I can build a ...
ThreePhaseEel's user avatar
0 votes
4 answers
1k views

What can be soldered with a hot air rework station?

)I'm considering buying a rework station (Aoyue AO968A+220V). What could I expect to solder consistently using hot air that's not "possible" with solder iron? What I've been avoiding from a ...
skyking's user avatar
  • 159
0 votes
1 answer
70 views

Need help determining if a component is acceptable for use in a production design

For the sake of not going too broad, I am only referring to this single OLED LCD board component from Newegg being used directly within a prototype device that I have designed. My end goal is to take ...
Pholotic's user avatar
0 votes
1 answer
52 views

Need help understanding how motors, sensors and other components of a prototype design factor into certifications for industry sale [closed]

I have built a prototype and I now need to create a production prototype that I can use as my template for a small 10-15 product unit batch order. I am in the United States where I plan to market ...
Pholotic's user avatar
0 votes
1 answer
106 views

Extension from OLED display to driver board

I have purchased this display for a prototype in development. Product: https://www.displaymodule.com/collections/oled/products/2-8-256x64-monochrome-graphic-oled-display-module-spi-mpu Datasheet: ...
Jacob Rodda's user avatar
0 votes
1 answer
843 views

Easiest way from 2x10 (0.05" pitch) header to 0.1"

As per title, I have a debug header with a 2x10 0.05" setup on a board I'm working with. This was chosen because of the space constraints. I'm looking for the cleanest way to go from this header ...
Alex's user avatar
  • 101
0 votes
3 answers
1k views

How to Solder a Screw Terminal to Square Pad Proto Board

I want to figure out the best way to solder each terminal of a screw terminal block to a row of this proto board that has square pads. None of the squares are electrically connected. I assume just a ...
AnalogDigital's user avatar
1 vote
1 answer
113 views

What is difference between MOSIS and dedicate MPW services of foundries?

Most foundries, such as TSMC, SMICS, and Samsung have MPW and IC prototyping services. What is the difference between these services and MOSIS or Europractice? Question is: Why use MOSIS services ...
Bright Day's user avatar
0 votes
4 answers
171 views

How do you wire something that opens

I am trying to create a box that has a UVC light in it. I am going to have the light on the top of the box, this part will open up. The issue is the batteries and parts are at the bottom of the box ...
Rahul Vijayan's user avatar
0 votes
0 answers
327 views

Is this circuit correct and will work?

I found this circuit as a gps module on the internet . i look to datasheets and it looks ok. I want to make it for test. is this correct and will work ? Credit: https://www.electroschematics.com/neo-...
yeganehhp's user avatar
  • 387

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