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Top microcontroller threads this week on EDAboard.com

By Aimee Kalnoskas | December 18, 2014

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Accessing all bits in the ADRESH register – I am using an ADC and want to the display the results on RB0 to RB5 and RA2 to RA3. How can I get every bit in the ADRESH register and then assign them to every port? Read more.

USB audio controller for audio rates up to 192 KHz – I am looking for a USB 2.0 audio controller/converter that can support audio Tx/Rx rates up to 192 KHz over I2S and also provides 12C control interface for external CODEC. Read more.

Individually debounce multiple switches – I am using a PIC 16F688 MCU and micro-c to debounce multiple switches individually. I have collected the code but it only works on a single switch. Read more.

Connecting 22 switches to an Arduino – I have built in place 22 momentary SPST pushbutton switches with 23 wires (one common wire and 22 separate running to all the switches). I have two options: using the Arduino Mega2560; or daisy-chaining three 74HC165N Shift registers and connecting to Arduino. Is one solution better than the other or is there something else? Read more. 

8051-based controller with more than two interrupts – I am currently using AT89C2051 to measure the width of two PWM signals connected to two external interrupts available on pins P3.2 and P3.3 respectively. Now I need to measure another PWM signal using external interrupt. I wanted to know whether there is some 8051 based CHEAP controller (preferably without ADC and with minimal pins like AT89C2051 which has 20 pins) which I can use? Or is there any way that I can increase the number of external interrupt handling capability of AT89C2051 (using some logic circuitry maybe?) Read more.

The post Top microcontroller threads this week on EDAboard.com appeared first on Micro Controller Tips.

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