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Yet Another Z180 (YAZ180) Project

I’m thinking about a new project, something a little unusual but still with a rich history of information upon which to base the build. On Tindie, I found the RC2014 project which is a build of a Z80 platform but based on some modern components. That got me thinking. My next project must be a Z80 based project. Why the Z80? Well, it was at one stage the most used CPU in the world, which leads to the great d ...

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Goldilocks Analogue Synthesizer

For the past year, I’ve been prototyping an Arduino clone, the Goldilocks Analogue, which incorporates advanced analogue output capabilities into the design of the original Goldilocks with ATmega1284p AVR MCU and uSD card cage. Recently the design scope crept up to include two SPI memory devices (EEPROM, SRAM, FRAM), and microphone audio input. But, before I go through another prototype cycle, I thought it ...

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Arduboy Solar Charge Controller, Inverter, PowerBank, Lamp

About this Project I have a few solar panels, 12 Volt batteries, transformers and few more stuff laying around for a while crying out aloud to make some good use of them. Thus the birth of this device - complete small PV solution on a single board. Lets review first which does what, shall we? A charge controller is a device which regulates the charging of DC storage/battery from a photovoltaic solar panel a ...

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Sigfox Talking Plant

Hardware components: Arduino UNO & Genuino UNO × 1 Atmel ATA8520D (EVK arduino) × 1 Software apps and online services: Sigfox Twitter Story What is Sigfox Talking Plant? It is a simple project based on Sigfox network to make a plant talk on Twitter. The main goal is to demonstrate how to make an easy IoT prototype using Sigfox network.You can see a demo at http://sigfox.louismoreau.eu Which microcontrol ...

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Make your own remote temperature/humidity sensor

Hardware components: Atmel atmega 328p-pu × 1 ControlEverything.com SI7020-A20 I²C Humidity and Temperature Sensor ±4%RH ±.4°C × 1 433 MHz transmitter / Receiver kit × 1 AMS1117-ADJ voltage regulator × 1 Capacitor 100 µF × 1 Capacitor 100 nF × 1 Resistor 1k ohm × 1 Resistor 10k ohm × 1 LED (generic) optional × 2 Resistor 221 ohm optional × 2 UDOO 2AA Battery Holder for RTC × 1 Software apps and online servi ...

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XBee Walkie Talkie

Hardware components: Goldilocks Analogue Still as prototype currently, but functionality can be recreated with MCP4822 DAC, Microphone Amplifier, and Headphone Amplifier, together with Arduino Uno. × 1 MAX9744 × 1 MAX9814 × 1 MCP4921 DAC × 1 Arduino UNO & Genuino UNO × 1 Arduino Wireless Shield (Xbee) × 1 Story I’m building an advanced Arduino clone based on the AVR ATmega1284p MCU with some special fea ...

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Bionic Organs/Devices/Limbs Wireless Charging

Hardware components: IDT Qi 5W Transmitter Prototype Kit × 1 IDT Qi 5W Receiver Prototype Kit × 1 Atmel Atmega328p × 1 HC-SR04 Ultrasonic Sensor × 1 Hand tools and fabrication machines: Arduino cc Schemeit PCBWeb Story Bionic devices/organs has a limited lifetime where its battery needs to be replaced in order for it to function continually. The limited battery life causes the patient to be subjected to an ...

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