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I2C pull up resistor location - Split from Weird signals on SDA/SCL pins for I2C jgmdesign wrote:EDIT: The resistors must also be at the last device on your bus. Not at the microcontroller. Hi Jim, Is this really really important? I have been... |
Thursday, 4 April 2019 - 16:23 |
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ICE JTAG I discovered the ATmega1284P's use JTAG for debugging instead of debugWire, although the data sheet mentions debugWire. The JTAG connector on my ICE is 0.050 pin spacing, so... |
Saturday, 2 March 2019 - 23:18 |
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115200 baud UART I have been having trouble talking to 16MHz mega's at 115200 BAUD. Talking to a PuTTY window through an FTDI USB-serial chip gives me garbage on the screen, if anything at... |
Monday, 11 February 2019 - 01:51 |
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mobile phone to AVR This question has probably been asked a million times, but when I google with a site:avrfreaks.net everything I get is about a million years old. I want to move my lighting... |
Tuesday, 11 December 2018 - 19:22 |
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Does anyone know a simple radio? I have been using a radio transceiver from RFDigital that has become obsolete. I use UART to talk to it from a microcontroller and PuTTY from my laptop USB to serial... |
Tuesday, 22 May 2018 - 19:36 |
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Hand soldering surface mount tantalum capacitors Is there a danger of popping a surface mount tantalum capacitor because of absorbed moisture while hand soldering with a soldering iron? |
Sunday, 10 December 2017 - 04:58 |
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matrix inversion I have implemented two matrix inversion algorithms and built them into a library. If anyone is interested in solving n equations in n unknowns on an avr I will post my code... |
Wednesday, 1 November 2017 - 23:15 |
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Free samples from Microchip I got a notification from Microchip to sign up for product and documentation change notifications and free samples. Of course given the chance for free samples I signed up... |
Sunday, 15 October 2017 - 17:34 |
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changing clocks and bricking MCU I am sure this question has been asked a zillion times, but I am going to ask it again. apologies in advance. I had an ATmega328P running with an external TTL... |
Thursday, 28 September 2017 - 16:54 |
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Variable color in AS7 Sometimes the color of variables in my projects are black instead of the default Navy. Sometimes if I scroll up and then back down they will change to Navy. Sometimes... |
Saturday, 2 September 2017 - 16:44 |
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Solved: RFID coil and superglue I wound a 18cm x 20cm RFID coil big enough for my cat go walk through with 55 turns of 30 gauge magnet wire. I measured the inductance with a cheapo meter to be 2.4 mH and... |
Wednesday, 2 August 2017 - 15:39 |
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.elf vs .hex I noticed that AS7 default for programming flash is .elf. AS6.2 was the same, but I was told it was going to change to .hex in AS7. Do I just go with the default and... |
Sunday, 23 July 2017 - 20:14 |