Arduino Stack Exchange
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Questions tagged [breadboard]

A breadboard is a construction base for prototyping of electronics. In the1970s, the solderless breadboard (a.k.a. plugboard, a terminal array board) became available and nowadays the term "breadboard" is commonly used to refer to these.

A breadboard is a construction base for prototyping of electronics. In the1970s, the solderless breadboard (a.k.a. plugboard, a terminal array board) became available and nowadays the term "breadboard" is commonly used to refer to these.

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Arduino Newbie: Solderless Breadboard Alternate

I am completely new to arduino. I have created a circuit using solderless breadboard. But obviously the connections are lose or not as good as a soldered solution. So I was wondering since I am new to circuits too, what is the easiest
Saad Bashir
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How to know positive and negative in breadboard

I have this breadboard, and there is no indication on it about what is positive/negative on it. In comparison, this other breadboard (pic from the internet) DOES have indications: Can anyone give me a hint ?
N Sharma
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ESP32 Pins won't fit in solderless breadboard

I bought an Adafrut Huzzah32 ESP32 for an IoT project. When the ESP32 arrived, I attempted to fit it into my existing breadboard, but I immediately noticed that no matter how hard I pushed, the pins wouldn't fit into the solderless breadboard. I…
Brandon Avant
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Connecting an Arduino to a servo with an external power supply

I have purchased an MG995 servo (4.8-7.2V operating voltage, 170MA no load operating current draw) and will power this using a 5V, 2A mains plug pack. Do I need a breadboard to connect this with my Arduino (which will itself be powered through its…
Stacey1234
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What type of pin header is this?

Most of the Arduino uno boards have black female pin header. when i bought a ardiuno uno the digital pins 0 to 7 are made of silver pins. What type of pin header is that? How to use these kind of pin headers?
Alwin Varghese
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Whats common practice when using more components than there are pins?

I have a project where I want to use several motors (servo and stepper) which are activated with an RFID and show info on a display. What’s common practice or a smart way to get past such limitations?
Ate8
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Adding a common activation pin to a group of buttons

I'm working on an Uno, which has only two interrupt capable pins, but i need at least three buttons to wake it up from its power saving mode. Is there a way to wire buttons such that, in addition to their individual pin, they will also activate a…
none none
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Still getting "stk500_recv(): programmer is not responding" while uploading to bare ATmega328P

SOLVED! See bottom. I know this question has been asked a lot (believe me, I've been Googling for solutions for 3 days, and have come across many posts on SE), but none of the posts I've found have solved my issue. Much of the problem, I think, is…
Carl S
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Program Arduino then Remove Atmega?

Can I program an Arduino and then remove the micro-controller from it and use it on a breadboard without reprogramming the micro-controller again? My steps would be: create my Arduino code. I upload the compiled code to the board. I remove the Ic…
Majd Saad
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How can I connect multiple different sensors that uses the same pins?

I'm doing a project on Arduino Uno and it requires me to connect 3 different sensors together: Waveshare 2.9 E-paper, MFRC522 RFID Reader and a ESP8266 wifi module. problem is, The e-paper and RFID uses the same multiple digital pins. How can I…
Arthane Vixtion
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Can't reprogram Arduino on protoboard (perfboard), but could program the same circuit on breadboard

So I have a circuit that works well when it's on a breadboard and without removing any pins I'm able to upload sketches, but for some reason when I transition it to a protoboard I can no longer upload sketches. My circuit consists of an MPU6050, an…
auphynne
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How to Connect Two CQRobot Ocean Non-Contact Water/Liquid Level Sensors (CQRSENYW001) to Arduino UNO REV3 (A000066)?

I am a complete beginner trying my hand at a home automation project. Part of my setup includes using an Arduino UNO REV3 (A000066), and connecting two CQRobot Ocean Non-Contact Water/Liquid Level Sensors (CQRSENYW001). There is great documentation…
Cody Kentucky
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Rotary encoder weird values

I am trying to understand this rotary encoder I have, but it makes no sense to me. I am using this rotary encoder: https://www.amazon.com/gp/product/B07DM2YMT4/ CYT1100 aka CY110 aka EC11 I am using this wiring: https://i.sstatic.net/aMyR5.png P2 is…
John
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Using Arduino UNO as FTDI

so , just bought some pre-bootloaded ATmega328(p/pu) to which I need to upload sketches on a breadboard using uno TX and RX pin as FTDI Here is what I am to do. I connected Uno GND and Reset . Arduino Tx to Standalone Atmega Tx Arduino Rx to…
Subha Jeet Sikdar
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Arduino Micro Breadboard USB Not Connecting

I have been working on getting an Atmega32u4 connected to USB. I lifted the connections from the Arduino Micro schematic for the preliminary schematic shown here. When I connect the chip to USB, the system (Ubuntu 18.04) does not appear to recognize…
barntaco
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