What's difference between RS232 and UART in context of programming ?
Hi, RS232 and UART both are serial protocol, UART and RS-232 are not the same but I do not understand how RS232 is different then RS232. UART is responsible for sending and receiving a sequence of...
View Article2-Wire Serial Temperature Sensor
Hi guys I am trying to get details of sensor from datasheet http://ww1.microchip.com/downloads/en/DeviceDoc/21490D.pdf. I do not understand table 3.1 on the page 6 of datasheet I do not understand what...
View ArticleA new way of looking at Embedded Systems
Hi guys! My name is Manu, I'm a new member of the forum, but happy to be here! Hope I'll be be helpful! My friends (Nicolas Rabault and Simon Baudry) and I are working in Robotics/Electronics for a a...
View Article16x02 LCD + I2C module problem
Hi all I was trying to make my 16x02 LCD+I2C module work. I failed. This is my LCD... 16x02 LCD + I2C module problem
View ArticleSTM32 for multiple pressure sensors reading
Hi, I am using STM32L5, that has one ADC module, and I want to read simultaneously 20 pressure sensors so that I can create a real-time pressure map. How should I implement in the optimum way the...
View ArticleADC on a pic 18f
Hello i have been trying to lean how to do ADC on PIC i have which is 18F2550, after watching many tutorials & reading the data sheet i came up with this C source code. i have been on & off pic...
View ArticleST Micro in C Code
I am trying to program a ST Micro in C, basically to control 3 motors. Is there any snippet of ready-made code I can use or if not, if anyone has done this, kindly suggest. Thanks
View ArticleSTM 8-bit MCU, which protocol to use ?
Right now I have a STM8S003F3/K3 "8-bit micro-controllers offer 8 Kbytes of Flash program memory, plus integrated true data EEPROM", seems to be ok, I damaged the PCB before....
View Articlewanted to map adc into 0-255 range.But code not working
Hello guys i wanted to map adc value (0-1023) to 0-255 range. But the code did not working on proteus 8.6.I have created a map function for this.Here is my code.But can not guess where is my fault?...
View ArticleIs it possible to extract the program from an NEC D27128D?
I was wondering what would be required, or if its possible, to extract an existing program from an EPROM NEC D27128D? I use Microchip PICs and a PicStart Plus, but I doubt its compatible. I also...
View ArticleIdea to keep PIC18F working for 1 or 2 seconds after system OFF
Hello, I am trying to develop a system with CAN communication using a PIC18F25K80. The PIC is working good with CAN, however I have a problem... When I turn OFF the system power I would like to keep...
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Emulating a Tri-state Buffer
I am having difficulty getting an NXP LPC2134 into bootload mode for ISP using simple mechanical switching. An alternative is to let the RS232 programmer control DTS/RTS to get into that state. NXP...
View ArticleServo pulses from Arduino
My first serious Arduino UNO project was a fairly simple one. it sends a sequence of presses by a servo arm to the button of a camera; switching its power on, selecting mode, starting and stopping the...
View Articlerecommend documents to learn RS 485 protocol?
Hi, I am sure that the 485 protocol would have been used by the many people. There are so many resource available on internet I am looking for good documents. Which document will you recommend to learn...
View ArticleRemote control by location (PIC in Oshonsoft)
I'm making a couple of PCBs BASE/TRANSMITTER and REMOTE/MODEL RECEIVER using surface mount components, and PICs, for use as remote control by location (3D). Remote control by location, is when a...
View ArticlePIC16F887 Programming Dilemma
Hello everyone, this is my first post here and I apologize if my thread is confusing in any way. I am a beginner when it comes to PIC programming and i encountered a strange problem while trying to...
View Articletime-critical task
A time-critical task is defined as one where the task must be performed within specified time . This https://embedded.cs.uni-saarland.de/lectures/acaces17/Introduction.pdf information doesn't make more...
View ArticleMeasuring wide range of currents with ADC
I'm designing an amplifier to read currents using a CT from 10 mA to 30A with a STM32 with no FPU. I have the following data: CT turns ratio = 1000:1 Burden resistor = 10 ohms ADC reference = 3.3 V DC...
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Will Microcontroller get damage with excess voltage or excess current ?
Hi Guys, In attached schematic, if Vout is connected to MCU i.e STM8S (https://www.mouser.in/datasheet/2/389/dm00024550-1797235.pdf) MCU operating voltage is 5V. I want to do the circuit analysis with...
View ArticleWhy was an interrupt invented?
I have wired question, Why was an interrupt invented? What was the problem with sequential program.
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