Conflicting spi for ethernet and sdfatsoftSpi
i am using 2.4 tft lcd and sd card on it and ethernet shiled w5100 . I want to read write data from tft sd card and for this i iam using sdfat and sdfatspi library with 50,51,52,53 pins of arduino...
View ArticlePacket Transmission Delay in LoRaWAN
Hello everyone, I'm currently exploring the performance of packet sending strategies in LoRaWAN, particularly focusing on the impact of edge computing on delay reduction. Here's the setup: No Edge...
View ArticleHow to Use libwebp Library for Image Encoding on ESP32-S3-WROOM Module?
Hi, I'm currently working on a project with the ESP32-S3-WROOM Module, where I need to encode image data into WebP format. I've found the libwebp library as a potential solution for this. However, I'm...
View ArticleSeeking Assistance with ADS1298 Data Retrieval on Arduino
I am reaching out for guidance and assistance with a project involving the ADS1298 integrated circuit and Arduino. Currently, I am working on a project that requires interfacing with the ADS1298 to...
View ArticleHow to control 2 LED matrix (MAX7219) using potentiometer
Hello all, I'm new to Arduino and coding. I am trying to light up the LEDs of two 8x8 matrix using a potentiometer. Matrix1 will light up when the pot value ranges from 0 to 500, and another matrix...
View ArticleESP32 to MCP33886
I have a little Problem. I am working on a school project and I ordered the MCP33886 MotorDriver for my own Board. I need to control the Driver with an ESP32, but it is not working. I have not much...
View ArticleAdxl345 vs mpu6050 vs bno055
I am building a car for a SAE competition at university. We use electric motors to move cars. We want to measure the longitudinal and lateral acceleration of the car. Which is best among adxl345,...
View ArticleProgramming Code Loading on ESP32-S3 WROOM2, but not executing
Hi there, I would appreciate if someone would like to assist me. I am using ARDUINO IDE 2.0.3 for loading a code for testing the execution on ESP32S3 WROOM-2 of the programming code of a blinking led...
View ArticleopenXsensor ACS758lcb-050b
Hello, From the opeXsensor project I made the current sensor. This to measure the dc current draw from the lipo in my rc plane. The system is pro-mini and the acs758 sensor. The system is working it...
View ArticleESP32 WiFi Power Usage
I’ve been reading that with the ESP32, the WiFi can use significant amounts of battery power. What I am unsure about is when that power is used. Does the power usage increase as soon as you use...
View ArticleAlternative for I2C SSD1306
Hi All, I am developing a project to monitor tank water level. As of now i am using SSD1306 to Display the water %. But it was too Tiny, can you please tell me alternative for this which can be also...
View ArticleIs there a way to create a randomseed() without sampling an floating pin or...
I want to generate random numbers in my sketch for a project with an Attiny85 but I've used up all of my pins and don't have one to sample for noise. The project also doesn't have any user inputs that...
View ArticleConfusion about configuring the crypto element on MKR NB 1500
I'm following the instructions in this tutorial to connect an MKR NB 1500 to AWS. There is a section about configuring the certificate using the ECCX08CSR sketch to generate a certificate and it...
View ArticleGpio esp32 ble mouse
hello everyone... I want to make a bluetooth mouse with ESP32. only I'm still confused about creating GPIO parameters to activate the buttons on each board. can anyone help? this is the code I use...
View ArticleEsp32_ili9341 got white screen problem
Hi all. I have checked quite a few of similar topic here and there, didn't see a reasonable solution yet. my ESP32_ILI9341 works well for TFT_eSPI's examples, but got white screen for the code below,...
View ArticleHow to make lights flash on digital output for a set time then stay on
Hi all, kinda new to all this. I have code to make led lights flash (string lights) on and off. However, I'd like it to flash for a set time, then stay on until power is removed. What code would I...
View ArticleBASIC Stamp 2px micro processor?
Hello, Before a friend of mine passed away. I have known him since the late 90s. When I found out he passed away it was sad day for his family and myself as well. He as of 5 years ago was playing...
View ArticlePrinting multidimensional array
How do I print a multi dimensional array in Arduino? I wanted to create a function that accepts a void pointer and supply it with different sizes of multidimensional arrays. #include <Arduino.h>...
View ArticleArduino-FastLED-Memory Usage of FastLED CRGBSets
New here. What is the memory overhead per LED "cloned," pointed to, via CRGBSets? I've looked for an answer, but could only uncover that CRGBSets create pointers to the parts/ranges of the original...
View ArticleanalogWrite function is not working in Arduino ver2.2.1
const int ledPin = 2; // PWM-capable pin for LED const int ldrPin = 35; // Analog input pin for LDR void setup() { pinMode(ledPin, OUTPUT); Serial.begin(115200); } void loop() { // Read the analog...
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