Circuits & Schematics Arduino

1. Need an extra ADC? Add one for a few cents
   Damian Bonicatto Phoenix Bonicatto
   Circuits Arduino Measurement Supply Microcontrollers Usage Arduino Arduino Nano
   When designing devices with microcontrollers (MCU), I like to use some of the analog-to-digital converter (ADC) inputs to measure onboard voltages along with all the required sensors inputs. This means I often run out of ADC inputs. So presented ...
   Apr 11, 2025
2. Add 512K of external SRAM to Arduino Mega. Part 3 - Software
   Circuits MCU Open-Source Platforms Microcontrollers Usage Arduino Arduino Arduino Mega
   The final part of this series of blog posts will present some open source software that you can use to exploit the new memory space. You can download the library source code from my downloads page. The xmem library I’ve put together a ...
   Sep 19, 2011

3. Add 512K of external SRAM to Arduino Mega. Part 2 - Schematic and PCB
   Circuits MCU Open-Source Platforms Microcontrollers Usage Arduino Arduino Arduino Mega
   Pin mappings Here’s how the Arduino maps the xmem pins. As you can see they’re all conveniently placed in a block at the end of the board. That will make it easy for me to design a PCB that just plugs straight in. Thanks go out from me ...
   Sep 15, 2011
4. Add 512K of external SRAM to Arduino Mega. Part 1 - Theory
   Circuits MCU Open-Source Platforms Microcontrollers Usage Arduino Arduino Arduino Mega
   Often when prototyping with an Arduino you run into the memory limitations inherent in a microcontroller programming environment. The Arduino Mega series goes a long way to solving the program size issues, offering as it does 128Kb and 256Kb ...
   Sep 13, 2011
5. Arduino datalogging accelerometer with µ-SD storage
   Circuits Automation Measurement MCU Open-Source Platforms Microcontrollers Usage Arduino Arduino Arduino Pro mini
   Eric Ayars Overview The Arduino Pro Mini is a microcontroller board based on the Atmel ATmega168 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, an on-board resonator, a reset button, and ...
   Dec 12, 2010
6. What is Arduino?
   Circuits MCU Open-Source Platforms Microcontrollers Usage Arduino Arduino
   Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. It's intended for artists, designers, hobbyists, and anyone interested in creating interactive objects or environments. Arduino can ...
   Oct 29, 2007

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