Questions tagged [hardware]

The physical circuitry and other components of a machine or device. This is distinct from the program code running on a device, which may be called software or firmware.

34 questions with no upvoted or accepted answers
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Can I use ATtiny48 as a board in Arduino?

I have seen people using ATtiny45 and other boards and there are hardware configurations files for them. Can we use ATtiny48 as a processor for Arduino? If so where can I get a boards.txt file that ...
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449 views

How can I connect a Fona to an Adafruit feather?

I have this adafruit-feather-huzzah-esp8266: https://learn.adafruit.com/adafruit-feather-huzzah-esp8266/pinouts and I want to connect a Fona board. But I am not certain which pins have the ...
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501 views

How to attach Arduino MKR1000 to a shield meant for Arduino UNO?

I have an Arduino MKR1000 and need to interface it to an Adafruit Music Maker shield, which has pinouts for an Arduino UNO. Maybe I'll have to attach female headers, and then jumper pins over. Which ...
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69 views

Serial Request error

I am working on arduino Uno board.I am trying to send request Serially from out Side using docklight.I am sending COmmand is request send every 5S to 10S and get response.When i tested this code with ...
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0answers
67 views

how to differentiate in code between Sangunio and Microduino core+

Sanguino and Microduino core+ both uses ATMEGA644PA. I need to write a piece of code in my library where I need to check what board has been selected. #elif defined(__AVR_ATmega1280__) || defined(...
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142 views

What is the Arduino Nano maximum wattage?

Hello, I am currently working on a DIY project and I would like to know the Maximum Wattage of a Arduino Nano with a ATmega328 processor. If anyone know what it is it would be a great help. Ricky
2
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1k views

Arduino TRE Release Date and Cost

I have been awaiting the release date for some time for the Arduino TRE. So, my question is simple does anyone know the release date or any hints about when it might come out? Also, what do you ...
2
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0answers
2k views

Unable to connect to Intel Edison Arduino kit

I just received my new Intel Edison with Arduino Breakout Kit and after hours trying to connec to it, I just can't. I connected two USB cables to my computer, the switch between the power suply and ...
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1k views

Driving stepper motors adafruit motor shield v2

I got an Arduino Uno Rev3 and Adafruits Motor Shield V2. I also got two RepRap stepper motors: Frame size 42 x 42mm - NEMA 17 1.8 degree step angle Length 47mm Holding torque 44 N.cm (4.4kg.cm, 62oz....
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429 views

Flame Sensors Problems

I am making a fire fighting robot and I need a sensor. I want the sensor detection range to be about 6m or 7m (about 18ft to 20ft). The question is which sensor should I choose to get that detection ...
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2k views

Sniffing Bluetooth Packets

I'm attempting to create something similar in nature to the Ubertooth one. I'd like to sniff Bluetooth packets using the Arduino. I've found a few nRF24L01+ wireless modules, which appear to operate ...
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27 views

ESP12F works indefinitely, then gets stuck in unrecoverable hardware WDT "boot loop"?

I have a sketch running on a number of ESP12F modules (AiThinker). They can work for months on end, can be power cycled, can be moved around, etc. It is a complex sketch with multiple parts and is ...
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1answer
35 views

Interfacing LM35 and MQ2 with Arduino

When I interface LM35 temperature sensor and MQ-2 gas sensor with Arduino - my LM35 sensor gave incorrect values. From research I've found out that MQ-2 gas sensor dragging the AREF voltage down and ...
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1answer
1k views

Real Time clock module error-DS3231

This is not a code error I have been using DS3231 RTC module with battery. When I bought this module It worked perfectly now when I get it to use, The time is running perfectly. when I set the current ...
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150 views

APDS-9960 detected but not showing output on serial monitor

I just bought an APDS-9960 sensor yesterday and tried it out today using Sparkfun's example from its APDS-9960 lib, and the only thing it printed out was: "SparkFun APDS-9960 - ProximitySensor&...
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29 views

Adeept Arduino Mega 2560 isn't recognized

So recently, I purchased an Arduino Mega 2560 Kit from Amazon, which was customized from this company called Adeept. But when I tried to plug it into my computer, it didn't recognize it. This means my ...
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203 views

How to Adjust MQ131 Sensor?

The problem Hey. I'm trying to use the sensor Mq131 to measure some ozone data in a closed environment, but I'm having some bad time to adjust the trim in the sensor and get results in ppb. By ...
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591 views

I need an example of how to send AT COMMANDS to SIm7000E GPS+LTE module from ESP32 and reading those response in Serial monitor

Actually I need to make HTTPS post request using SIM7000 and ESP32 but the available libraries don't have a function for HTTPS post request, I wanna make this request using AT Commands. I need a ...
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229 views

how to implement AES in LoRa Module with Hardware Flow control using ESP8266?

I am working on project where I have to do AES encryption of plain text received through normal UART port of ESP8266 create a cipher text and sending it to LoRa module (EByte E32 868T30D) through ...
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69 views

Arduino Due 9-bit serial - Can core Due Libraries be modified to get this functionality similar to Mega and Uno?

Need help to see if I can get an Arduino due to receive and send 9-bit com as already implemented on AVRs like Uno, Mega and even teensy boards, by modifying hardware serial cores. Have not found any ...
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1answer
293 views

Connecting MPU6050 to Arduino Lilypad

To preface, I am very new to Arduino and I watched this video on YouTube. It shows how you can build a motion controlled car with Arduino and I decided to make this for my school project. One thing ...
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2k views

Change the mac address on an HC-05

So I tried to save a little money and bought (5) HC-05 bluetooth modules off of our good buddy eBay. When the modules arrived, as I was testing and setting up for my project (2 nano's connected via ...
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0answers
67 views

Need help with Arduino Love-O-Meter

not sure if this is the right place to post, but basically I am trying to make a Love-O-Meter, similar to the Arduino project example. However, my method of determining the score is different. ...
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0answers
316 views

door protector using arduino uno and GSM sim800 module

Please check the arduino program given below and help me to find out error. The program is for following hardware. GSM 800 module Arduino Uno board Limit switch(2) We place two limit switch at main ...
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0answers
157 views

How to verify that my FTDI bridge for ESP8266 is communicating with my PC?

As I couldn't make my ESP8266 be programmed using an Arduino board as FTDI bridge, I decided to buy an FTDI232 board to upload code directly to ESP module via USB. However, when new I connected it to ...
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77 views

What can cause an Arduino to "disconnect" from Windows?

I bought a DFrobot Beetle and it worked fine for probably an hour, then it just stopped working with Windows. When I connect it to the computer I hear the "connect" sound, then within 5-7 seconds I ...
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0answers
66 views

Is there an easy way to connect and control 3 servos?

I need to connect and control three Parallax Standard Servos to an Arduino board, and apart from the USB connection, nothing else will be connected to the board. My predecessor used a setup of and ...
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2answers
180 views

Industry Standard for Single-Board Computers?

Do Arduinos, or any other single-board computer, come in any sort of industry-standard form factor? I'm trying to sell management on using Arduino, but they are stuck on the question "what if Arduino ...
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1answer
35 views

ledkeypad shield not responsive

I recently purchased several of the DFRobot ledkeypad shields: https://www.dfrobot.com/product-1407.html I have Arduino Leonardo (which also had some problems in the beginning, being recognized as ...
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1answer
44 views

SIM7000E 0 voltage at SIM_VDD

I have problem with my SIM7000E. My PCB scheme and design is aveliable here https://easyeda.com/jaka87/new-vetercek While sending AT commands I get error as if sim card is not connected. I also put ...
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1answer
272 views

AC Voltage Sensing using Arduino Uno

Is it possible to sense AC Voltage using analog input for Arduino Uno or can it only read DC? I mean I've tried connecting an AC voltage source to analog and I'm reading some numbers. However, I don'...
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1answer
617 views

Getting at the PS_ON pin on a RAMPS1.4 mounted to a Mega

Got it! Check end of post for solution. I'm running a Mega 2560 with a RAMPS 1.4 Shield which is usually used for 3D printing applications. For my use case I only want to get at the stepper motor ...
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1answer
1k views

Pulse counter to measure flow-rate: 0 Pulse issues

I am using a Netafim M-Series flow meter interfaced with a UC-32 Arduino. The goal of this is to create a pulse counter than in turn will allow us to determine flow rate in the meter. (1 US gallon per ...
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1answer
1k views

USB Device not Recognised - Custom Wattuino Nanite 841

What I have done: I have made a custom Nanite 841 which uses an ATTINY841 microcontroller. I have used the schematics from Wattuino to design my circuit, my PCB was made using a router with all ...