Using 4 ch motor + 16 servo shield for Arduino by doit.am
Hey guys, so i have this shield (imgs and schematic in pdf attached), that i bought for a mobile robot arm project. So I contacted the manufacturers (doit.am) asking them for the libraries to control...
View Article3D Sense Shield2Go , TLV493d Calibration issue
Dear @Mark Hughes Thanks for the nice effort that helped me a lot to interface the Sensor with Arduino . I have attached the the source code , three image files. First image file is without the magnet...
View ArticlePIC 18f2550 timer0 problem
https://www.electronicwings.com/pic/pic18f4550-timer-capture /* Frequency Measurement using Input Capture Mode in PIC18F4550 http://www.electronicwings.com */ #include <stdio.h>... PIC 18f2550...
View Articlemaking a frequency measurement meter with 7 segment dynamic display and...
#define f_timer 2000000 const unsigned short DIGITOS[] = { 0x3F, 0x06, 0x5B, 0x4F, 0x66, 0x6D, 0x7D, 0x07, 0x7F, 0x6F, }; void VerDisplay( int Frequency ) { unsigned short U; unsigned short D; unsigned...
View ArticleHow to design a micro-controller circuit with LCD to have load cell output
Dear all I'm a newbie to microcontroller circuits I have a task in my laboratory I would like to fix a load cell into the wall to measure the tension in a wire how could I use an LCD with the load cell...
View ArticleNeed assistaance with TIMER
Hi, I have written the code for led blinking, using timer0 of ATmega2560 on AtmelStudio7. When I run it on simulator, the status of led(s) changes without timer reaching the set value. Can someone...
View Article18F4620 Analog in puzzle in Oshonsoft Basic
Hi, I've added 5x POT inputs to a long program, but they're acting strangely. Here's the CODE section: '_____________________________________________________________________ Adcin 0, ch1 'Read AILERON...
View ArticleBME280 STOPPED WORKING
I had an MKR Wifi 1010[https://store.arduino.cc/usa/mkr-wifi-1010] board connected to a new BME280 sensor[https://store.ncd.io/product/bme280...ssure-and-temperature-sensor-i2c-mini-module/]. It was...
View ArticleHC05 not working properly & not responding to AT commands
I originally tried to send data from an android phone to the bluetooth module-connected arduino uno. Wiring: 5V UNO ------- Vcc HC-05 G UNO -------- GND HC-05 11 UNO ------- Tx on HC-05 10 UNO -------...
View ArticleNOR flash as Mass storage with a Cortex M series MCU
I have a 4MB NOR Flash. i want to show this memory as Mass storage on a PC when connected as a USB device. I have some confusions regarding the need of Filesystems on a NOR flash. I have a reference...
View ArticleNeed help implementing DT-06 wifi module from doit.am with arduino
Hey guys, so I have a wifi module from doit.am given as the DT-06 TTL wifi module. I want to use it with my arduino uno to control a phone/pc controlled car (via browser), as can be done using an...
View ArticleOther languages on the horizon
I was listening to embedded FM today and they started talking about circutpython which is based on micropython. That got me to thinking about the future a little. I am a student in my mid 40's and...
View ArticleHow to ADC and DAC speech signal with the use of DMA on STM32F446RE?
I want to take speech signal using MAX9814 on my STM32 board digitize it using ADC along with DMA function and then apply codec on it, after applying codec I want DAC along with DMA to again give out...
View Articleneed help on MEGA2560 pin out connector
I use MEGA2560 control 14 relays, and what will be a better solution for the connector? The red circle area for output. View attachment 180528
View ArticleMOSFETs overheating on stepper driver
I'm controlling a 3v 3A bi-polar stepper motor with an Arduino, and found some 4-ch opto-isolated MOSFET drivers that I was able to use as H-Bridge drivers. (Drawing attached) I'm pretty sure I hooked...
View ArticleUsing incremental encoder to generate 0-359 Degrees Oshonsoft
Hi, I need a PIC input of 0 to 359Degrees from an optical encoder QEI. I have programs that run in the Oshonsoft Simulator, but as the QEI of the PIC is not supported, they need an in program test...
View ArticlePWM motor controller redundancy
I am working on a safety-critical project (autonomous vehicles). As such, we need rigorous redundancy controls. I am controlling a DC motor (that actuates the brake pedal) from a micro-controller...
View ArticleUsing incremental encoder to generate 0-359 Degrees Oshonsoft (NOTE: QEI SIM...
Hi, I need a PIC input of 0 to 359Degrees from an optical encoder QEI. I have programs that run in the Oshonsoft Simulator, but as the QEI of the PIC is not supported, they need an in program test...
View ArticleAudio Envelope Follower for Arduino
KeithWalker said: ↑ My point is: Have you tried it? Will it follow the envelope well enough for what you are trying to achieve?Click to expand... Oh yes!
View ArticleLearning to code a random MCU....
Hello Everyone, hope you all are doing great! So, I got this arduino kit from amazon a while ago, and I have been building small projects with the help of a book that came with the kit. So basically, I...
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