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Arduino Pro Micro error burning bootloader
I am trying to burn a bootloader onto my Arduino pro micro using a an Arduino uno, but I keep on getting this error message: avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x14...
View ArticleBug? - additional zero when Serial0 not begun
Hey all, I am unsure if this is a bug or if I trigger a latent weirdness. Background: Arduino Mega to control multiple devices via 3 hardware serial ports (1-3) via an MAX3243. I set up a simple...
View ArticleSSD1306 OLED Working on Uno but not on NANO
Hi all, I create a project for a friend to show his name in Mandalorian in an OLED SSD1306. I checked on my Uno and everything works fine the problem starts when I swich to a NANO using the same code...
View ArticleArduino programming issue
My dust collector program was working fine for last few years now it just has the dust collector running constantly instead of turning on when woodshed machine is turned on and then off when turning...
View ArticleSimple broken wire detector - works and doesn't
I'm testing a very simple broken wire detector. I guess there cannot be much simpler system, not counting the pin 13 LED blink... Anyway, my circuit can be found in the picture. I just want to detect:...
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A programmer is required to upload- AVR-IoT Cellular Mini, DxCore, Curiosity...
I recently got a AVR-IoT Cellular Mini, iot.microchip.com Microchip IoT Documentation Documentation for Microchips PIC & AVR IoT Boards. Specifically for the AVR-IoT Cellular and the Arduino...
View ArticleGetting very frequent avrdude timeout errors
I get the same error every time I try to upload code to my Mega 2560 R3. I can fix it by following the troubleshooting link in the Help menu of the IDE, but that usually involves burning the...
View ArticleDriving analog meters with arduino
Hi, I would like to make some projects with analog volt/ ammeter. I know that i can drive a 5V voltmeter directly off PWM+gnd pins. I have seen ammeters used with PWM+gnd as well, but with an added...
View ArticleRun Consecutive Sketches
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View ArticleHow do I buffer/Amp stepper current?
I have an Arduino board that works my laser and it has lots of other "stuff" on the board, but what doesn't do is add any additional current for the steppers. I want to increase the umph my steppers...
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Using Ardunio UNO for project instead of 101?
Hello everyone, I am recreating this Ardunio project: Shower Regulator - Hackster.io, and am wondering if I can use the Ardunio UNO for this. I unfortunately do not own the Arduino 101. If this is...
View ArticleSensor HC-SR04 and bluetooth module HC-06 problem working together
I am making an rc car controlled with Bluetronics app (using HC-06 bluetooth module). After i wrote the code for the sensor to read the values the bluetooth commands wont work. I tried different codes...
View ArticleHow to use two tcs34735 i2c color sensors using a single i2c bus ?
I'm working on a color detecting project with tcs34725 color sensor. I need to use 2 sensors using a single i2c bus. I need to use them without a multiplexer or decoder. are there any methods to use...
View ArticleUsing servo motor with stacked motor shields
I'm working on a project that requires 3 steppers, 1 DC motor, and 2 servos so I ended up stacking two Adafruit V2 motorshields on an Arduino UNO to control all these components. While I was able to...
View ArticleGarage Door Opener using NRF24L01
Hello All: Hope you all had a Wonderful Christmas and a happy new year. I'm trying to build a garage door opener using two Arduino Nano's and two NRF24L01 modules. I currently have a garage door...
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I would like to ask how to connect a touch sensor, a piezzo buzzer, an...
Can you guys identify what I'm doing wrong? It just says that "an error occurred while uploading the sketch." 8 posts - 5 participants Read full topic
View ArticleESP32 input pin unintentionally set to HIGH when in contact with anything...
Hey, I am attempting to learn how to use an ESP32 dev board, and I'm trying the basic Button example. I believe I have everything wired correctly but the onboard LED is on irrespective of whether the...
View ArticleAttempting to change references of SSD1306 to SH1106
Hello Everyone, I am fairly new to Arduino and have been attempting my first project using a sensor and display. I have a DHT22 sensor that I am trying to use with a SH1106 display. The problem is,...
View ArticleAdding TCS3200 color sensor to robot car
Hi everyone I am new to arduino uno. Me and my daughter are building this robot car and it functions great. It utilizes an Arduino uno board and Sensor Shield v5.0. We have now added a TCS3200 color...
View ArticleShorting two wires in water to detect an empty container?
For a project with an MCU and a water pump I want to measure if there is still water in a container so the motor does not run dry. I thought about buying a sensor but had an idea that could be made by...
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