906 Results for "Q%20%EC%95%88%EC%82%B0%EB%B8%94%EB%9E%99%EC%9E%AD%20CDDC7_C%D0%9EM%20%E2%97%86%EB%B3%B4%EB%84%88%EC%8A%A4%EB%B2%88%ED%98%B8%20B77%E2%97%86%EC%88%98%EC%9B%90%EC%9E%A5%EC%95%88%20%ED%94%84%EB%A1%9C%ED%86%A0%20%EA%B5%AC%EB%A7%A4%E0%B9%8F%ED%86%A0%ED%86%A0%ED%95%AB%ED%94%BD%E2%8F%AC%EC%98%A8%EB%9D%BC%EC%9D%B8%ED%99%A9%EA%B8%88%EC%84%B1%E0%BC%88FX%EB%A7%A4%EB%A7%A4%E2%8B%8D%EC%95%88%EC%82%B0%EB%B8%94%EB%9E%99%EC%9E%AD%EC%95%A0%EC%9A%A9%20thorough/"

PDQ_GFX optimzed AVR LCD graphics
Details from PDQ_GFX optimzed AVR LCD graphics
PDQ_GFX Library DevelopmentThe motivation for PDQ_GFXA while ago, I noticed an article on Hackaday about how Paul Stoffregen (and crew) had optimized the Adafruit GFX SPI LCD driver for the Teensy 3.1 to achieve "warp speed" (see TFT LCDS HIT WARP SPEED...

Archaeopteryx
Details from Archaeopteryx
The XMega32E5 doesn't map perfectly to the Mega328, so we're going to have to take some liberties with the pin mappings.Instead of having a separate AREF pin for the ADC, the XMega32E5 shares this function with A0. So in this design, A0 is connected...

Prehistory of my homemade PERSEUS computers
Details from Prehistory of my homemade PERSEUS computers
1. PERSEUS-68 When I was 16 years old and personal computers did not yet exist in the world, I was determined to complete a computer on my own by 1980, when I would have turned 20. The computer I built in 1980 to achieve this goal was...

7 Segment LCD/LED Library for Arduino
Details from 7 Segment LCD/LED Library for Arduino
Here's a youtube video of the driver running the 4 Digit Demo program:In order to control many LCD/LED segments using an Arduino (a typical 4 digit display has 32 segments) a display driver is required. These are integrated circuits which receive a serial...

Orao keyboard interface
Details from Orao keyboard interface
Orao's keyboard input works by shorting connections between 6 data lines (D4-D7) and 10 address lines (A0-A9). When a key is pressed, the connection is shorted between corresponding lines to input a key press. I.e., to type "A", the key short address...

Internet Enabled Multizone Thermostat
Details from Internet Enabled Multizone Thermostat
IntroductionAt the head of the setup is a router that provides internet access for the system. The first node is comprised of a chipKIT Max32, Max32 Ethernet Shield and XBee Shield (developed PCB). The second node is the Wireless Thermostat that is responsible...

Marvel and DC Weekly Comics Release List Tracker
Details from Marvel and DC Weekly Comics Release List Tracker
First of all, to obtain weekly comics release lists from the ShortBoxed comics API, I developed a web application in PHP running on Raspberry Pi. Then, I used an Arduino Nano 33 IoT to get comics release lists transferred by the PHP web application and...

1 Square Inch TTL CPU
Details from 1 Square Inch TTL CPU
This project is very much a race against the clock. The idea for this project occurred to me after the first week of september, leaving three weeks before the end of the Square Inch Contest. Since it involves processor architecture, hardware and pcb...

Z-Uno
Details from Z-Uno
Z-Uno was designed to allow people to make their own IoT devices for their Smart Homes. Many times we were asked "Is there a pressure/radiation/water level/.../whate ever sensor in Z-Wave?" and we found that it would be cool if people can make their...

Dreamdrive64
Details from Dreamdrive64
The Adventure Begins The enthralling tale of Dreamdrive64 finds its origin in the PicoCart64 project. In the sun-soaked summer of 2022, I embarked on a thrilling new chapter, fueled by an abundance of free time and an unwavering passion for custom...

ESP_8_BIT: Atari 8 bit, NES and SMS on an ESP32
Details from ESP_8_BIT: Atari 8 bit, NES and SMS on an ESP32
ESP_8_BIT is designed to run on the ESP32 within the Arduino IDE framework. Schematic is pretty simple: ----------- | | | 25 |------------------> video out | | | 18 |---/\/\/\/----|---> audio out | | 1k | | | --- | ESP32 | --- 10nf | | | | | v gnd |...

Another Precision Wattmeter Module INA219
Details from Another Precision Wattmeter Module INA219
Dc power meters are really very essential tool for every electronics hobbyist. Dc power meters are used for monitoring voltage and current ratings simultaneously and thus calculate the power by multiplying. Our microcontroller with an ADC can measure...

Advanced Hydroponic Garden of Eden - IoT
Details from Advanced Hydroponic Garden of Eden - IoT
Background Earlier this year, we designed and built a robust, IoT self-watering plant system (Project Eden) that I installed in my home garden. Having a background in water process engineering, I aspired to develop a solution aimed at water conservation...

AVR-ZIF Programmer
Details from AVR-ZIF Programmer
Features: based on USBasp by Thomas Fischl ISP-Connector on PCB can Program many different AVRs: ATMega 164/324/644/1284/16/32 ATMega 8/48/88/168/328 ATTiny 2313/4313 ATTiny 26/261/461/861 ATTiny 25/45/85/13 socket for Crystal/active Clock Source main...

32MHz spectrum + SDR + FT8 in an FPGA
Details from 32MHz spectrum + SDR + FT8 in an FPGA
Overview At the beginning the antenna is directly connected to the AD9226 Analog to digital converter, sampling at 64MHz. The 64MHz clock is generated by the FPGA, so that it can sample it well (more on this later) Please note there's no external PC...

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