Problem with 31250 baud ''No musician will ever consider a Midi keyboard WITHOUT velocity sensitive keys. ''
I beg to differ. I'm a musician and I love not having to deal with...
Thursday, 9 July 2020 - 03:21
Problem with 31250 baud I don't understand why the USB-serial(RS232) is being used with MIDI baud (31250 or 1 MHz/32, which was advanced technology in 1982).
The MIDI bytes should be...
Monday, 6 July 2020 - 02:36
WCH MCS-51(8051) USB MCUs All discussion of 8051 reminds of the Godfather III movie where Don Michael Corleone says, " just when I thought I was out, they pull me back in".
What 8051 assembler...
Saturday, 4 July 2020 - 02:33
AVR GCC +700% Code Size The advantages of working in assembler is only apparent when using microcontrollers that are tiny in size and flash memory space: specifically the Tiny13 and the new Tiny10 that...
Friday, 26 June 2020 - 18:03
usbasp programmer pinout Here is a reworked diagram of the correct 10-pin AVRasp header connector.
In the original photo above, the ribbon cable was inserted into the un-pressed 10-pin...
Thursday, 25 June 2020 - 19:07
usbasp programmer pinout Most DVMs have red and black cables with a huge probe tip on one end and a "banana" clip in the other. Connect one lead of a general-purpose jumping cable with "...
Wednesday, 24 June 2020 - 22:23
Need help with schematic The only thing that I can see wrong with this schematic is the pin-out numbers on the TSOP38434 diagram. Looking at the front of this IR module, pin 1 is on the...
Wednesday, 24 June 2020 - 21:44
I need help programming an AVR There are two basic ways to program an AVR. One is the "Store Program Memory" method which uses a bootloader. This is used by the standard Arduino over the USART TX:RX...
Wednesday, 24 June 2020 - 18:15
Power Changeover Switch - Ingenious Circuit Needed When the AC input voltage is rectified and under 500mA load, what is its peak ripple voltage? Can you add a big capacitor after the bridge which would result in the...
ATtiny doesn't do what it should Hello,
You are having your timer interrupts much too quickly. This 1MHz Tiny85 can do @10 assembler op-code instructions in 10uS, while the 16MHz Arduino can do 160...
Monday, 15 June 2020 - 19:37
switch on/off with same button You don't need any special code to turn off/on a microcontroller (uC) with a simple single pole-single toggle push switch. Get a push switch that is normally open and...
''No musician will ever consider a Midi keyboard WITHOUT velocity sensitive keys. '' I beg to differ. I'm a musician and I love not having to deal with...
I don't understand why the USB-serial(RS232) is being used with MIDI baud (31250 or 1 MHz/32, which was advanced technology in 1982). The MIDI bytes should be...
All discussion of 8051 reminds of the Godfather III movie where Don Michael Corleone says, " just when I thought I was out, they pull me back in". What 8051 assembler...
The advantages of working in assembler is only apparent when using microcontrollers that are tiny in size and flash memory space: specifically the Tiny13 and the new Tiny10 that...
Here is a reworked diagram of the correct 10-pin AVRasp header connector. In the original photo above, the ribbon cable was inserted into the un-pressed 10-pin...
Most DVMs have red and black cables with a huge probe tip on one end and a "banana" clip in the other. Connect one lead of a general-purpose jumping cable with "...
The only thing that I can see wrong with this schematic is the pin-out numbers on the TSOP38434 diagram. Looking at the front of this IR module, pin 1 is on the...
There are two basic ways to program an AVR. One is the "Store Program Memory" method which uses a bootloader. This is used by the standard Arduino over the USART TX:RX...
When the AC input voltage is rectified and under 500mA load, what is its peak ripple voltage? Can you add a big capacitor after the bridge which would result in the...
Is the right-hand side of the NAU7802 not have any connections? If AVDD and DVDD are not connected to +3.3V, then there may be lots of power going through the positive...
Hello, You are having your timer interrupts much too quickly. This 1MHz Tiny85 can do @10 assembler op-code instructions in 10uS, while the 16MHz Arduino can do 160...
You don't need any special code to turn off/on a microcontroller (uC) with a simple single pole-single toggle push switch. Get a push switch that is normally open and...
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