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Use of java and other languages
Hello,      Let's use the ATmega328p as a definition example of a microcontroller.   It's widely known and studied, with many web-based tutorials....
Friday, 22 May 2020 - 15:00
Attiny13A PWM Button Dimmer
There is not enough information in the application's specification (the description of what the code should do) to write the code:     Are you saving the duty cycle of...
Thursday, 21 May 2020 - 23:24
Parking project, need help
I assume that the lead of the button that is not on D1 is connected to V+. However, with this wiring, when the button is not pressed, then D1 is floating.  Reading D1 could...
Wednesday, 20 May 2020 - 18:14
<SOLVED> tca9548a i2c multiplexer
Wire the AVR's SDA and SCL lines to the master input SDA/SCL on the Multiplexer (Mux).  Add the 3.3K ohm pull-up resistors.  The Mux gets the AVR's Vcc. (I'll assume...
Sunday, 17 May 2020 - 22:35
Relay module 74HC595 Q0 sometimes on
You want more than eight fuzz boxes on your guitar?  Talk about wall of sound!
Sunday, 17 May 2020 - 04:07
Relay module 74HC595 Q0 sometimes on
Hello,    I recommend that you go back to the very beginning of the design.   Because the signal is low-level audio, there is no need to have all the relays-...
Saturday, 16 May 2020 - 14:07
How to generate a new bootloader for atmega 4809?
Are you even sure that the 4809 can be programmed by using a bootloader?   Could you cite the section number in the data sheet (for the 4809) that refers to programming...
Friday, 15 May 2020 - 14:25
TFT Display - TFT 320QVT (SSD1289) - help needed
The little three pin IC named IC1 (on the back of the TFT board next to DB0) is a 5V-to-3.3 voltage regulator.  If you are putting 3.3V into the VCC pin of the TFT board,...
Sunday, 10 May 2020 - 16:04
How do I create a 1 second delay using Timer1?
Set the timer 1 counter register to 65535-3035. (16-bit; write Low byte then high).   Enable the Timer 1 Overflow interrupt and have the ISR set a flag that indicates...
Friday, 8 May 2020 - 16:17
Why to use ATMEGA16U with ATMEGA2560
Instead of redesigning a board for the Mega2560, try getting inexpensive Auduino Mega2560 clones from China.  Here's one for about $8 US { about 600 Indian Rupees }. https://...
Friday, 8 May 2020 - 16:07
I2C and LCD Atmega328p
Hello,    In the Master, you are not shifting the Slave's address to the left one bit.  This is done so that the bit 0 has either logic low for a write operation or...
Thursday, 7 May 2020 - 14:33
Python programming...
The AVR is a bit too small to support a minimum development environment during run-time, which is what Python needs.  The 32-bit ARMs, ESP32, and WeMOS  do have enough...
Thursday, 30 April 2020 - 12:41

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