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Split from: HC11 or HC12 question
peterdaddario wrote:it works properly but i feel it blanks very fast, i don't know, i felt. İt may be baud rate error, you ought to use crystal (8MHz):   Don't forget to...
Saturday, 16 February 2019 - 14:01
Split from: HC11 or HC12 question
js wrote:... half of your chip not powered up. Yeah. AVCC is not powered. . datasheet wrote: AVCC is the supply voltage pin for Port A and the A/D Converter. It should be...
Saturday, 16 February 2019 - 06:59
Atmega32 VCC and GND pins shorted
yeah it is dangerous for high current power supplies. but the same risk is always exists with or without using reverse protection diode.   reverse diode method is good for...
Friday, 15 February 2019 - 14:03
Split from: HC11 or HC12 question
peterdaddario wrote:8 MHz so you are using internal RC,  it is not a good choice for UART because internal RC may have a +-%3 tolerance. it means your aimed 9600 may be 9600-...
Friday, 15 February 2019 - 13:14
Atmega32 VCC and GND pins shorted
ka7ehk wrote:If you have a tendency to have such errors, connect a big (current rated) diode across the power supply connections on the board in reverse. Maybe a 1N4001, etc....
Friday, 15 February 2019 - 07:43
Split from: HC11 or HC12 question
1) m.majid wrote:Circuit schematic Or good quality photo of your boards. . 2) m.majid wrote:Clock of MCU What is clock value? 8MHz? 16MHz?... . 3)did you activated BOD? . 4)does...
Thursday, 14 February 2019 - 17:08
Split from: HC11 or HC12 question
You need to give more details: Circuit schematic Clock of MCU What is the project supposed to do, What is it really do . Apparently you want to transmit a byte via HC11 modules ....
Wednesday, 13 February 2019 - 17:10
EEPROM with attiny814
Jeet_1997 wrote:But due to insufficient data in application notes and datasheet, i couldn't read or write data in the EEPROM memory. the Datasheet is lack of examples ,...
Wednesday, 13 February 2019 - 13:24
Suggestions on how to make Blinky blink
jgmdesign wrote:There is an existing LED on the unit.  And there is no redesigning the device for a display that will not be used very often. OK, It is possible to add an...
Monday, 11 February 2019 - 08:49
Suggestions on how to make Blinky blink
Reviewing customer's requirements, is there any special reason for not using a display instead of LED? . I think displaying absolute value such as exact pressure value or a...
Sunday, 10 February 2019 - 08:48
LED Matrix with HC595, 4017 and atmega8 not behaving as expected
Kartman wrote:1. How do you know what state the 4017 is in? It might work on simulation, but not in real life. 2. Because you can’t directly control the columns (rows), you will...
Saturday, 9 February 2019 - 07:22
Atmega32 timming
Seif_1999 wrote:could it be related to power consumption or so? It is. Read the datasheet. See "Calibrated 8MHz RC Oscillator Frequency vs. VCC" and "Calibrated 8MHz RC Oscillator...
Friday, 8 February 2019 - 22:15

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