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An AVR microcontroller based Ethernet device – Circuit Schematic
An AVR microcontroller based Ethernet device
Ethernet has traditionally been a quite complex interface. All Ethernet chips until today had 100 pins or more, where difficult to find in small quantities and ...
Poor Mans DDS Board – Circuit Schematic
Poor Mans DDS Board
The applied microcontroller is an ATMega8 clocked at 16MHz. This microcontoller can shift out arbitrary wavefroms from its flash or SRAM storage at a rate of 2M...
USB Live Oscilloscope: Clock Generator – Circuit Schematic
USB Live Oscilloscope: Clock Generator
Produce the varying sampling clock write strobe pulses. So, I settled with this semi-optimal but working design applying an ATtiny2313 microcontroller from Atme...
MiniDCC Project – Circuit Schematic
MiniDCC Project
Develop a self contained unit that can automatically control up to four DCC equipped engines, starting and stopping them based on their position on a loop of tr...
AVR Microcontrollers in Linux – Circuit Schematic
AVR Microcontrollers in Linux
A microcontroller is a single-chip computer. It has internal RAM, ROM, timers, counters, interrupt circuitry, I/O ports, analog comparators, serial USARTs, anal...
simplify MCU circuit design – Circuit Schematic
simplify MCU circuit design
Writing MCU assembly code is often a hard and tedious task. You can simplify software development and gain more time to design the electronics hardware if, inst...
Morse Code Bicycle Safety Blinker – Circuit Schematic
Morse Code Bicycle Safety Blinker
This is my first project using an AVR microcontroller and really the first embedded systems project I`ve done since college. I had two options for programming l...
Controlling high-current circuits – Circuit Schematic
Controlling high-current circuits
Digital output from a microcontroller is typically a low-amperage signal. For example, when you put a pin HIGH on the microcontroller (in Wiring/Arduino, it`sG�...
jdm pic programmer – Circuit Schematic
jdm pic programmer
This is simple to build and uses ICProg or Vellemann`s K8076 picprog 2009 as the software. You need to add the serial device Driver for NT4, Win2K or XP. I don`...
scientific calculator – Circuit Schematic
scientific calculator
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Connecting the PICAXE-08 Microcontrller to other Components – Circuit Schematic
Connecting the PICAXE-08 Microcontrller to other Components
The example circuit is for an automatic animal feeder. When the animal pushes the switch the PICAXE microcontroller detects an input. The programme within the m...
Flight Computer Assembly Instructions – Circuit Schematic
Flight Computer Assembly Instructions
Flight Computer V1. 0: B1 PC Board U1 80C32 microprocessor U2 27C256-12 32Kx8 ROM - 120nS "V2. 1" U3 74HC373 U4 LM340T-5 5v regulator (might be a 7805 part) U5 ...
Flight Computer Assembly Instructions – Circuit Schematic
Flight Computer Assembly Instructions
Flight Computer V1. 0: B1 PC Board U1 80C32 microprocessor U2 27C256-12 32Kx8 ROM - 120nS U3 74HC373 U4 LM340T-5 5v regulator (might be a 7805 part) U5 43C256-1...
2Digit up/down Counter – Circuit Schematic
2Digit up/down Counter
This project comes via two circuits on 2 boards. The first circuit is designed around a PIC16F628A. It has been presented on an experimental PC board using surf...
3310 LCD PIC16f628 interface written in Hi-tech C – Circuit Schematic
3310 LCD PIC16f628 interface written in Hi-tech C
This project displays how the Nokia 3310 LCD can be interfaced and driven using the PIC16F628 microcontroller. The code is written in Hi-Tech C and the characte...
attinya – Circuit Schematic
attinya
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Programming the microcontroller – Circuit Schematic
Programming the microcontroller
The brain of the robot is made of Atmel Tiny2313 microcontroller. This MCU has a cool feature called In-System Programming which can be used to program memories...
Propeller-powered IN-12 Nixie Clock – Circuit Schematic
Propeller-powered IN-12 Nixie Clock
After building so many Nixie Tube Clocks from the Internet, I finally decided to design my own. My clock uses IN-12 Nixie Tubes and an 8-core Propeller Microcon...
Input programming activity – Circuit Schematic
Input programming activity
Now, let`s re-examine the function of the TRIS registers. The TRISA and TRISB registers control the direction of data transfer on each pin of Port A and Port B,...
Water Level Sensor/Alarm System for MAXQ3210 Controller – Circuit Schematic
Water Level Sensor/Alarm System for MAXQ3210 Controller
The MAXQ3210 ia a powerful RISC microcontroller. This device have features and capabilities to make it compatible for battery-powered applications that detect.....