Nano Esp32 and PN5180
Hi everyone. As per the topic I have a Nano Esp32 and a PN5180, I use it to read and write data on an ICODE SLIX2 type adhesive tag. With the library for the PN5180 you can read a block of memory, I...
View ArticleHC-12 or nRF24L01
Which of these devices is better for indoor use with many walls ? 4 posts - 4 participants Read full topic
View ArticleSD Card Initialization Failed but not always
I am using an Arduino Uno that has a micro sd module connected to it. I have tried to run the code below. Sometimes the code successfully initializes but there are times that it does not. I would like...
View ArticleIncrease PWM Frequency
I am doing a project, with an Infineon brand Shield to control a BLCD motor. I have been doing tests, with an arduino UNO R3 and an arduino R4 Miminna On the arduino R3, increase the frequency to...
View ArticleeFLL - Arduino using two fuzzy systems in the same program
I'm trying to write a program but I encounter some issues. I try to define 2 fuzzy controllers in the same set-up of a program. Both share an input and have one more input different from each other....
View ArticleProgramming your joystick with a DC motor
I want to program the Arduino to control the rotation of the DC motor. I have tried a lot, but a problem occurs. When I push the joystick forward, it starts rotating, and when I move it back, the...
View ArticleCan you lower the voltage output of the Arduino UNO, from 3.3v to 2.2v...
I'm in my highschool's engineering class, and we have been given Arduino uno's (power outputs are either 3.3v or 5v) but the LED's we have are rated for 2.2v, and we don't have resistors. How can I...
View ArticleArduino powerline communication conflict
Dear all, some 2 years ago you gave some good input in the communication with the KQ330(KQ130) unit. Background: I need to communicate with 2 arduinos over an air-distance between 10m and 50 m in a a...
View ArticleUniversal motor speed control
hello , i am working on a washing machine project , i managed to control the speed of the universal motor but when i fix the motor on low speeds it does work but stumbles a lot . what could be the...
View ArticleESP32-WROOM-DA-Module vs. BlueTooth
Salve a tutti E' qualche mese che utilizzo con soddisfazione un ESP32 Az-Delivery. Ora ho avuto necessità di utilizzare il BlueTooth integrato. Dopo varie peripezie ho ridotto il tutto ai minimi...
View ArticleHigh pulse counter using Arduino GIGA with STM32 microcontroller and HAL library
Hi! I'm new to microcontroller electronics and I'm working on a project where I need to create a pulse counter for research purposes. I'm using an Arduino GIGA R1 WiFi board and need to count pulses...
View ArticleNo connection after uploading the default fuses
Hi. I bought an ATmega328P chip from mouser. After soldering it to a PCB, it worked just fine, but the clock seemed to be 8 times slower than it should have been. I thought that the problem is with...
View ArticleBattery voltage issue
Hello, I am currently working on making a rc hotwheels car using arduino and nrf24l01+ module. I will be using a servo motor's board as esc for the back gear and a 3.7g servo motor for the front...
View ArticleHaving both USB Host and Device in the MKR Vidor 4000
I need to connect an external USB device to the MKR Vidor 4000 while having the Vidor to behave as a USB device. But i just found out that the SAM D21 only offers 1 USB module that either behave as a...
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Linear Encoder connector USB-->DB9
Hello to everybody, previous owner of my milling machine bought cheap linear encoders, something like this: laskakit.cz Lineární odměřování s displejem, 500mm | LaskaKit Lineární odměřování se...
View ArticleUNO R4 WIFI + DHT22 not working while CLONE UNO WIFI works
im using DHT kxn library and its example: DHT_unified_sensor. This works on Clone UNO WIFI, while not working on genuine Arduino Uno R4 WIFI. i literally use same code and same pin arrangement. Only...
View ArticleE_stop and E-stop reset
Hi, I have two momentary switches one for E-stop and one for E-stop reset. So I have two pins that go high when each of the buttons is pressed. Anyone have an idea on how I can halt the program when...
View ArticleAny One Know how to use the VC-02 AI Thinker yet?
I am essentially working on a room automation project which was supposed to include a Voice recog module i natually liked the DFrobots gravity module but its no longer available for sale on...
View ArticleOpta Finder freezes when trying to connect in PLC
Hi, as many users I've been experiencing the well-known bug with the Opta Finder and Arduino PLC : when trying to connect to the board, the softwate freezes, and even when PLC is killed, the...
View ArticleLCD Printing changing values (single and double digits)
I'm brand new to the Arduino world, so I jumped right in and started making something probably above my skill set. I think I exhausted my googling skills to find an answer or I'm just really bad at...
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