My Video: Converting My CPU to VHDL Via Logisim Evolution (for Eventual FPGA...
Here's my latest video in my series about a CPU I designed. I implemented it in Logisim and then eventually Logisim Evolution. Now, the VHDL version (initial conversion by Evolution). Verilog version...
View ArticleIssue in BLDC motor
Hello All, Again, I need one more help on the sensored BLDC motor. I am developing a driver which is having max current protection 20A. The motor is driven on 12V and 24V. The motor is 3 phase BLDC...
View ArticleRf transmitter receiver
Hi, Everyone i need help on the best rf module to use for atleast 60 feet indoor through the multiple walls transmission.I used syn115 and syn460r using manchester encoding but can reach maximmum up to...
View ArticleSketch question
I found this on youtube and tried it out. It works but I am confused as to why I can't activate both pushbuttons at the same time. How can this sketch be modified to do this? Code: // constnts that...
View ArticleLight glow along a path and stairs following distance movement
Hi, I am looking to illuminate a path to my house and up some stairs using a distance sensor to detect a persons position. I have attached a sketch of what I am trying to achieve at various stages. I...
View ArticleHelp Programming 16x2 LCD - PIC16F73
Hi Guys, I'm having trouble programming an 16x2 LCD, I wondered if someone could check my code. It compiles ok. Still don't fully understand how to program this LCD, the order of which to execute...
View Articlecurrent sense issue in BLDC motor
Hello All, I am developing BLDC motor driver of 24V ,20A current. The first situation is, Suppose, motor is at full load and POT (Throttle) is at maximum and then motor is trying to start and somebody...
View ArticleDifference between Brown out and Power on reset
I am bit confused with these terms as Brown out reset is set when the voltage is less than Vdd. So when you are powering ON it should go from lower voltage to Vdd. In this case how micro chip handles?
View ArticlePwM using microcontroller
Hello All, I am working on one project which requires following condition. Analog voltage and PWM on same pin of microcontroller. Does it possible?? Currently I am using one pin of microcontroller. If...
View Articlematlab
i have written a code for delay estimation by least square the channel coefficients but i have extra peaks in delays+one chip i don't know what to do?
View Articleprogramming a winbond chip
Hi, I have a Linux receiver that wouldn't flash properly, possibly due to a dodgy bootloader and thought I would try to replace the winbond chip, I have a GQ-4x programmer that I used to use for...
View ArticleNrf24l01 pa+lna current consumption
I am using nrf24l01 for data transmission bit not getting the desired range even after setting the rate to 250kbps and power setting to 0db.when i break vcc and introduced a ameter it only showing 3ma...
View ArticleNoise and Error in Linear Acceleration Readings
Hi everyone, I am trying to measure linear acceleration using an H3lis100dl (www.st.com/resource/en/datasheet/h3lis100dl.pdf) with an arduino. I am measuring high g accelerations thus using the 100g...
View ArticleMy Video: Converting My CPU to Verilog Via Logisim Evolution (for Eventual...
Here's my latest video in my series about a CPU I designed. I implemented it in Logisim and then eventually Logisim Evolution, then VHDL. Now, the Verilog version (initial conversion by Evolution)....
View ArticleRAM address allocation
Very basic question let us say i have two RAM variables x1, x2 and let us say the micro controller generates address A1 for x1 variable and A2 address for x2 variable when i compiled and linked for the...
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IoT interface JS Library
I have been developing a JS library for rendering of hi-def diagrams with electronic IoT systems in mind. It's been working online since very recently http://visualdatasynthesis.com The graphics are...
View ArticlePLC
In ship unloader (grab), I'm worked in ABB make ac800 plc . It include primary and secondary controller, CI 854 drive bus , CI 858 profi bus, ozd repeater and three Remote I/o panels . In ship unloader...
View ArticleDesign assistance needed
Hi, I am looking to build a Bluetooth controlled LED circuit. There must be 4 separately addressable LED arrays each with driver to control current. A battery, charger and protection circuit. A sensor...
View ArticleTalking to (ELM327-based?) OBD2 reader's UART over USB-RS232
I have an OBD2 vehicle fault code reader possibly based on an ELM327 chip. It has an OBD-style plug on one end which is intended to plug into a car diagnostic port, and a USB-B socket on the other end...
View Articlesim800a gsm module not working
When i connected Sim800a gsm module to serial port and when i press reset button it receives message cpin ready...sms ready etc.but when i try to communicate with AT commands its not working?i checked...
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