random number generator
Hi guys I need to generate a random number to seed the srand() in a pic right after power up in general (Most likely a pic18), how do you guys do it usually? I know the internal watch dog oscillator is...
View ArticleICSP Confusion Pins With Different Names !
Hello everyone, Wondering if someone can help me here. I have a board that has a 6 pin ICSP dip plug on it. Board is a brick. I need to see if I can wake the chip up. I have a Canakit R1301 pic...
View ArticleConnecting 5 Flex sensor to control 5 servo motors.flex sensors outputs are...
Hi, I am doing a Robotic hand Arduino Project using LabView. Aim is to control 5 servos using 5 flex sensors.when I tested each sensor separately it works fine, but when they are connected together...
View ArticleMicrostepping motor drivers
Please forgive me for reviving an old thread. I was wondering if anyone had a copy of the material from an article on micro-stepping from the link that was mentioned in this thread? Here's the link;...
View ArticleGraphical LCD interfacing with AT89c51
Hello All I am trying to interface Graphical LCD JHD12864E with AT89C51. I have downloaded Datasheet of JHD12864E. I looked pin connection in Datasheet but I don't understand where to connect Pin 3,...
View ArticleCustom Atmega2560 Board
I'm trying to design my own arduino type board based on the atmega 2560. After looking at the diagram of the pinout on the mega PJ0 and PJ1 are used for hw serial 3 and the rest of the PJ pins are...
View ArticleYour advise regarding microcontrollers for small projects.
Dear colleagues, good Afternoon. In the past (20+ years ago) I've been doing small projects with 8051, Z80 and some PICs. Now I'm coming back to microcontrollers projects and I'd like to ask you some...
View ArticleHow to print message on Graphical LCD
Hello Friends I learnt hardware interfacing of JHD12864E with AT89C51 Microcontroller in my previous thread. I flashed sample program into AT89c51. Sample program was working fine with GLCD. I am...
View ArticlePIC with a builtin voltage regulator?
As the title says, are these available? I don't seem to see any.
View ArticlePrograming a PIC mcu from android
Good day to everyone! I am tired of searching for this, so is there any way to program a PIC Mcu from Android? Like the XC8 compiler to be installed on Android? I see arduino IDE and etc. but no PIC....
View ArticlePIC16 memory management
Hello all, I'm trying to teach myself some manual memory management. My approach so far. Using the datasheet I find a bank of memory. I use a pointer to point to the first byte in this block and...
View Article5.1 receiver stuck on subwoofer mute.
Hi there everyone! I must have tried everything in the settings and diagnostics of the service manual for this Yamaha Model: HTR-3063 or RX-V367 to get the subwoofer output working. Ive tried setting...
View ArticleHow to access BNO055 absolute orientation sensor from adafruit feather...
Hello, I am trying to get data on a feather huzzah ESP8266 from a BNO055 absolute orientation sensor, using Adafruits own in-house library for that sensor, adafruit_bno055. I get the error described...
View ArticlePOWERTIP PC1602F B Confusing Datasheet
I've recently purchased the POWERTIP PC1602F B LCD Screen (http://www.farnell.com/datasheets/4...23.1140453447.1528831294-380640216.1528405894). Reading through, there are several things which aren't...
View ArticleLawn Sprinkler System
Good Evening, I presently have an older lawn sprinkler system with 5 zones which I would like to control with an Arduino. I have some electronics background and have an Arduino UNO but not much...
View ArticleI am thinking about video function with 8051 MCU,and adds on more switches.
Sometimes I think about video with some switches, such as power switch with video on/off, or sometimes I can pick up video photo via cloud, and display it on App. I have lots of fun ideas if there are...
View ArticleEnable Pin G and G (Complement) on am26ls32ac
The am26ls32ac (http://www.ti.com/lit/ds/symlink/am26ls32ac.pdf) differential receiver IC includes two pins, G and G (Complement) which appear to have some effect on the output of each receiver. The...
View ArticleQuestion: Handling PIC USART "overrun" & "framing" errors
I'm using Receive Character (RCIF) interrupts along with a circular buffer and checking for "overrun" and "framing" errors in my interrupt handler. My question is, if I get an "overrun" or a "framing"...
View ArticleUART framing error and over run error - pic18f65k40
Hi guys Did you guys come across this, I need to receive a packet from another MCU, but only the first 2-3 bytes are correct. But the remaining bytes are wrong. Any thought on this? my packet is start...
View ArticleSmart garage with two way exits pic 16877A and arduino
I want to do a project on smart garage car parking having a two way exit .If 1st car comes in it opens the garage and counts in increasing order ,if cars leaves it counts in decreasing order . if It...
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