AVR-Doper is an STK500 compatible In System Programmer (ISP) and High Voltage Serial Programmer (HVSP). It comes with a built-in USB to Serial adaptor to connect to modern host computers which often don’t have a serial interface. The project implements a low speed USB device in firmware only. No USB capable controller or converter is […]
STK500 Compatible ISP using AVR microcontroller Read More »
This project demonstrates how to build a simple module to read analog sensor and send the data to PC using USB connection. The project uses ATmega48 as main processor and USB FTDI serial-to-usb cable. Simply put header pins on your device which you can plug into providing the microcontroller-computer link. No need for soldering surface-mount
5 Channel USB Analog Sensor with AVR using ATmega48 Microcontroller Read More »
SP12 supports the following devices: AT90S1200, AT90S2313, AT90S8515, AT90S4414, AT90S2323, AT90S4434, AT90S8535, AT90S2343, ATtiny22, AT90S2333, AT90S4433, ATtiny12, ATtiny13, ATtiny15L, ATtiny26, ATtiny25, ATtiny45, ATtiny85, ATtiny2313, ATtiny861, ATmega103, ATmega603, ATmega161, ATmega162, ATmega163, ATmega168, ATmega8515, ATmega8535, ATmega8, ATmega16, Atmega32, ATmega48, ATmega88, ATmega128, ATmega2561, AT90PWM3. Source: Pitronics Download the latest SP12 version here SP12 on Win2000 / WinXP: If
SP12 serial programmer software Read More »
Part list 1x AT90PWM3-16SQ 2x SLO2016 LED display 1x 22uF/25V elco SMD 2x 0.1uF/16V tant. 1206 2x 10 kOhm 1206 3x 100n multilayer 1206 1x coil 10uH SMD 1x rotary encoder (Sharp) Digital voltage control unit his is how a value is stored into the DAC registers. First you have to set the voltage
Controlling internal DAC AT90PWM3 using microcontroller Read More »
The IOSTRING is a modular physical user interface system which consists of a series of three basic board modules designed around the Atmel AVR AtMega88 MCU. Each module type can handle switches, pushbuttons, rotary selector switches, rotary shaft encoders, potentiometers, LED’s, LCD displays, and an alphanumeric LED display. Dual footprints are provided on each board
Modular User Interface System using ATMega88 microcontroller Read More »
USBasp is low cost USB in-circuit programmer for Atmel AVR micontrollers. The hardware consists of an ATMega88 or an ATMega8 and a couple of passive components. The programmer uses a firmware-only USB driver, no special USB controller is needed. Its programming speed is up to 5kBytes/sec. USBasp works under multiple platforms: Linux, Mac OS X
Simple USB AVR programmer, USBasp using ATMega8 microcontroller Read More »
ATxmega programmer has different interface than 8-bit AVRs. It uses PDI interface instead of ISP. If you don’t want to buy new programmer for ATxmega you can try this little hack done by Szu. He uses USBASP (USB in-circuit programmer for Atmel 8-bit AVR controllers) with some modification to program AVR ATxmega. The hack convert
Programming AVR ATxMega using USBasp and ATxmega microcontroller Read More »
How to program a 93C66 EEPROM chip with an AVR microcontroller? The 93C66 is a serially (MICROWIRE) Electrically Erasable Programmable ROM (EEPROM) chip with 4 kbit (4096 bit, can be ORGanized as 256 x 16bit or 512 x 8bit) memory space. Here a DIL version (which I will use in my moving message sign project)
93C66 EEPROM chip with an AVR microcontroller Read More »
Part list: 8x LED (red) 1x 180 ohm 1x 10k ohm 1x 33k ohm 1x 2u2/16V 1x 74HCT191 1x 74HCT132 2x 74HCT138 1x 78L05 1x 47uF/16V 1x 100n 2x 1N4007 Yet another version: Here an example with 4 TTL ICs. This is I think the cheapest solution with standard logic ICs. The 74HCT191 is a
16 LED Knight Rider using 74HCT138 microcontroller Read More »
This morning (2009-12-31) I built my 4th AVR programmer. USBasp. I built this one because I wasn’t completely happy with my 3rd programmer and because I want to play with a software USB stack. I do know that it works (I just reprogrammed 2 old projects just to try it out. Programming seems to be
Programmer UsbAsp using AVR microcontroller Read More »
