IowaDave

Arduino-Assembly-Timer-Interrupt

An assembly-only approach to a timer interrupt for an AVR-based Arduino.

pxt-arrays-with-custom-blocks

Using Arrays With Custom MakeCode Blocks

pxt-comment-block

A custom block that allows MakeCode users to include visible comments in their code

pxt-makerbit-esp12

Communicate with an external 8266 ESP-12E or -12F microcontroller via serial

RTC-DS3231-Arduino-Interrupt

Tricks I learned about using a DS3231 Real Time Clock to interrupt an Arduino

Slow-That-Uno-Down

The easiest way to reduce power consumption by an Arduino

IowaDave/RTC-DS3231-Arduino-Interrupt

Tricks I learned about using a DS3231 Real Time Clock to interrupt an Arduino

IowaDave/Arduino-Assembly-Timer-Interrupt

An assembly-only approach to a timer interrupt for an AVR-based Arduino.

IowaDave/Slow-That-Uno-Down

The easiest way to reduce power consumption by an Arduino

IowaDave/Arduino-Uno-Using-an-ATmega328

A technique for replacing the ATmega328P controller on an Arduino Uno with the older, almost identical ATmega328 model.

IowaDave/Arduino_18_Pushbuttons

Manage 18 momentary pushbuttons with one Arduino Nano

IowaDave/Arduino_I2C_Peripheral_8-Ball

Arduino as an I2C peripheral emulating a classic toy

IowaDave/Arduino_Pin_Debounce_Class

Debounce an Arduino digital pin with a class

IowaDave/ATmega328-Power-Save-Sleep-Solved

Achieve the greatest decrease in current consumption while keeping the ability to wake up the controller from an internal timer.

IowaDave/ATTiny85_Battery_Sleep

Blink an LED for two weeks on two AAA batteries

IowaDave/ATtiny_Soil_Sentinel

Building a battery-operated, long-lived, soil moisture monitor on a tiny chip.

IowaDave/avr-dx

Learning to use the AVR Dx series of microcontrollers

IowaDave/AVR_Watchdog_Timer

Perhaps the most useful timer found in AVR-based microcontrollers and Arduino development boards.

IowaDave/Bingo-MakerPort-MicroBlocks

An interactive, audible Bingo game caller using MicroBlocks with Roger Wagner's MakerPort.

IowaDave/C-with-Arduino

How to use straight C code with Arduino IDE

IowaDave/Calibrate-AVR-Oscillator

Regulate the clock frequency of an ATmega328 or 328P without a crystal.

IowaDave/debounce_for_interrupts

Debounce a momentary pushbutton for use as an external interrupt, by means of a resistor-capacitor (RC) network.

IowaDave/DGS_3231

A registers-based approach to managing an accurate Real Time Clock

IowaDave/DS3231

Communicates between Arduino-programmed AVR and Maxim DS3231 RTC: splice of Ayars' (http://hacks.ayars.org/2011/04/ds3231-real-time-clock.html) and Jeelabs/Ladyada's (https://github.com/adafruit/RTClib) libraries

IowaDave/DS3231_RTC

For proposing changes to the library.properties file of this repo.

IowaDave/ESP8266_Random_Numbers

Generate random numbers using ESP8266 hardware

IowaDave/I2C_Read_Write_Registers

Control I2C devices directly through hardware registers.

IowaDave/Leonardo_Keyboard_Letter

IowaDave/PCF8574_Eight_More_I-O_Pins

IowaDave/power-down-sleep-for-a-year

Run an Arduino program for a full year on one set of AA-size batteries.

IowaDave/PXT-EP24LC

Quick and dirty Makecode blocks for reading and writing EEPROM

IowaDave/pxt-maze

MakeCode extension creates interactive maze games on a BBC micro:bit

IowaDave/SAMD21-RTC-Clock

Use the RTC peripheral on a SAMD21 as a date-and-time clock

IowaDave/Switched-Voltage-Divider

Turn a custom-tailored DC voltage on or off with a microcontroller

IowaDave/Thermistors

Using thermistors with microcontrollers to sense temperature

IowaDave/Two_Arduinos_I2C

Demonstrate I2C connection of two Arduinos