Questions tagged [prototyping]
The process of making the first working sample of a circuit, that may be on a temporary base like a breadboard
271 questions
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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 ...
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1
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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 ...
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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). ...
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3
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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 ...
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1
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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 ...
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1
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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 ...
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1
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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?
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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 ...
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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 ...
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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 ...
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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 ...
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4
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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 ...
3
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2
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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 ...
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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 ...
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3
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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.
(...
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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 ...
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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 ...
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1
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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 ...
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2
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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) ...
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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 ...
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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 ...
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3
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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 ...
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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 ...
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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 ...
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4
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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), ...
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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 ...
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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 ...
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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?
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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 ...
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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 ...
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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 ...
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2
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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3
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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 ...
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1
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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 (...
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2
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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 ...
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Altium Placing components
I am trying to place components in Altium designer using the Manufacturer part search but the "Place" option is inactive.
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2
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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 ...
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4
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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 ...
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1
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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 ...
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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 ...
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1
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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: ...
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1
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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 ...
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3
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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 ...
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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 ...
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4
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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 ...
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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-...