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Questions tagged [breadboard]

The tag has no usage guidance.

0
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0answers
31 views

Breadboard power supply voltage changes on restart

I bought this Arduino starter kit from Amazon. The problem I have now is that the voltage supplied by the breadboard adapter seems to change every time I turn it off and on. And not by small amounts ...
0
votes
1answer
39 views

Arduino baud rate 8 times too high?

I'm having a strange issue where in order to get the expected serial output on my serial monitor, I have to set the baud rate on my serial monitor to be 8 times higher than the rate that i set in my ...
2
votes
1answer
53 views

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 ...
-1
votes
1answer
38 views

Learn Arduino Basics : Temperature sensor with LCD Display and Potentiometer setup [closed]

I have temperature sensor, potentiometer and LCD screen attached to mini breadboard and wired to an Arduino. My temp sensor appears to be working fine however sometimes it reads inaccurate numbers ...
0
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2answers
44 views

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 ...
1
vote
0answers
36 views

Arduino Uno LED not working

so I'm new to all this Arduino stuff and have been trying to get into it, starting off with a simple project/test but have been having some issues. I followed the set up the book provides, and am ...
0
votes
0answers
181 views

failure to burn bootloader in ATMEGA328P on breadboard

As a novice to ATMEGA I try to use the arduino UNO (original) to burn a bootloader in a new ATMEGA328P on a breadboard. It is clear to me that SPI is used for this task and all connections have been ...
1
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0answers
50 views

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 ...
0
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2answers
115 views

Issue programming breadboarded Arduino via FTDI chip

I am trying to upload the Blink sketch to my ATmega chip which is now on a breadboard connected via an FTDI chip. My clock is running, power is OK. I connected the reset pin via a 100 kohm to the vcc ...
-1
votes
1answer
41 views

How to fix the Break Beam Sensor programming issue that says “USB Device Disabled”?

I am trying to use the Adafruit Metro Mini as Arduino (can be used the same way) to program an IR Break Beam sensor and a stepper motor. I connected the beam sensor to the breadboard and plugged the ...
-1
votes
1answer
89 views

Concave button wiring with Arduino

I am new to working with Arduino and I have a basic question. I have an entire circuit set up and functioning, but I would like to add an arcade style button (Larger concave style) like this. So my ...
1
vote
1answer
98 views

How do I know if I have a short circuit

I just got my first arduino starters kit so I'm a total noob in it. My simple LED blinker did work, afterwards I used a switch button with a debouncer script. It worked like I wanted but I wanted to ...
0
votes
1answer
39 views

Arduino Pong game Circuit Board Troubleshoot

I am following a tutorial online to make a pong game. I have managed to make quiet a lot work apart from my paddles in the game keep on shaking. The buttons do work fine, up and down on both ends. ...
10
votes
7answers
3k views

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 ...
0
votes
1answer
49 views

Can anyone identify these headers?

I'm very new to the Arduino platform and micro-controller projects in general, which is why I'm still learning about all the parts needed for circuit creation. There is one particular part that I ...
0
votes
5answers
523 views

Use MQ2 Sensor with Arduino Uno without breadboard?

I want to make a small and compact gas sensor using the Arduino Uno and MQ2 sensor. However all sites list a breadboard as a requirement. Now, the MQ2 has A0, D0, GND, VCC, pins and the Uno also has ...
0
votes
1answer
37 views

Help understanding circuit for button example

I´m working on the button example .Basically, i don't quite get the use of this connection. Also, the breadboard i'm using is not quite the ones i see on most tutorials. is there any 'mapping' i ...
4
votes
3answers
2k views

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 ...
0
votes
0answers
135 views

Electrostatic Discharge Protection on Arduinos

I have been using Arduino for quite some time without providing any kind of ESD protection. Does the Arduino have on board ESD protection?