Teensy 3.2 BLE Connection
Hello! I have a project that involves a teensy 3.2 and a BLE HM-10 module. I actually need to wirelessly connect a myo armband to my teensy microcontroller through HM-10. I successfully connected the...
View ArticleLighting control via TRIAC triggered by I/O from ESP8266 ESP-12 NodeMCU...
I was researching about how to control lights / loads via a NodeMcu ESP8266 and got to this great webpage and then this thread: https://forum.allaboutcircuits.com/threads/triac-control.24187/ In my...
View ArticlePlease suggest me a good course / lectures for Learning Micrcontroller Hardware
Hi All, A small request. I would like to learn about microcontroller hardware. My intention is to learn only about the hardware of microcontrollers. I must be able to understand the datasheet of the...
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lcd.c file that works with custum dataport
Hi Have a 16F18877 and a LCD 4*20 connected to port D0-D3, RS=RB3 EN=RD7 Need a lcd.c file that works, have been trying to modify those i found online, help needed
View ArticleHow much power does my SBC need?
Hi everybody, I am searching for the right SBC for my application but I don't know how much power it needs (GHz, no. of cores, ...). I hope you can help me. The main goal will be the control of three...
View ArticlePlease use code tags when posting pieces of code
Hello, Lately I see a lot of posts with pieces of code, but no code tags used. Please use code tags for pieces of code. We have now the possibility to have highlights on the code: Small improvement to...
View ArticleSubject of Code Tags.
WRT this thread etc https://forum.allaboutcircuits.com/threads/please-use-code-tags-when-posting-pieces-of-code.155216/ Why no listing in the options for Assembly? Not all know the manual tag for it...
View ArticleERC802-1 Serial I2C LCD
Moderator's note: This thread is a continuation of another thread at the URL below: https://forum.allaboutcircuits.com/threads/st7032-i2c-lcd.150188/ Only one thread per topic is allowed. If you want...
View ArticleI2C synchronization
When does the (actual) clock synchronization in multimaster I2C bus take place? Is it always before arbitration? It looks like sometimes clock stretching is called synchronization, but I got the...
View ArticleVector graphics using a pic and xy axis on my scope?
A project that I would like to embark on in the near future is to draw images on my scope using the xy axis input. Drawing a straight line a given distance at a given location on a screen using a pic...
View ArticleSeverals problems with BT and PIC
Hi BT HC06 connected to my pic. When i enable either RCIE or TXIE the program execution stops. Code (C): // #include "lcd.c" #include <xc.h> #include <stdio.h> #include <stdlib.h>...
View ArticleProgramming of Microcontrollers and other peripherals
Hi all, This is a question based on the theory which I am reading and related one design which I am trying to understand section by section This is loosely based on a question which I previously asked...
View ArticleASF4 IO_Read() not working for SAMD20
Hey guys. Fairly new to the Atmel software framework, usually use MPLab/PIC devices but for my project I needed to build a UART router capable of connecting 6 UART devices together so I chose a...
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PWM Exhaust valve controller project
Hi all. I have started a project which involves making an exhaust valve controller. I have an exhaust valve kit which I got from China. All works as it should and the quality is surprisingly good. The...
View ArticleProvide 3.3v to Wireless AC current sensor from 2AA batteries(1.5v each)
Hi, Its first time and I am still learning electric circuits, I apologize in advance if by any means the post not right, I just need your assistance in this I am using 2 AA batteries which gives 3v in...
View ArticleHelp with I2C between pic 16f690 and LCD I2C interfase LCM1602
Hello all: I am trying to connect a 16f690 pic with a LCD I2C interfase(LCM1602) I only know some assembly but not C Do you have any sugestion or at least an example how to establish communication...
View ArticleA few questions about an audio CODEC
Hello! So I have been tasked with a project and I am attempting to come to terms with the scope/breadth of it. To keep it simple, the Audio CODEC and amp for one of our devices has reached end of life....
View ArticleWhat would cause my Pic to over heat?
I have a Pic18f27J13. All of a sudden it started getting warm. I first noticed because the 7805 was getting really hot (and I guess the LDV33 too). Seemed to be working fine then all of a sudden boom....
View ArticleArduino to stand-alone uP solution
So, I don’t have a problem (yet), but I’m looking for some advice. How do I move from Arduinos to a custom micro controller project. I’m comfortable with the Arduino for one-off projects or for...
View ArticleFlashing firmare for usbasp device (no schematics)
Hello, I am pretty new to embedded development so wonder if I could help over here. I have recently bought new programmer (usbasp), but can't get it working - when connecting to windows machine I am...
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