description (hardware) Above and below you can see the terminal. The LCD display is represented by the connector X1. It has a HD44780 compatible LCD controller and I’m using the 4-bit interface to send data to the LCD controller. The LED’s are multiplexed. I’ve seen the circuit somewhere in the web. It is possible to […]
AVR terminal for serial port using TSOP1738 microcontroller Read More »
Introduction The circuit is drawn for measurement of acceleration from –1000 mg until + 1000 mg. It can be placed in kantra’n the car and be supplied from the sheath of electric lighter. The circuit includes one indicative LED and a screen LCD. Description The measurement of acceleration becomes with the use of IC from
LCD Car Accelerometer using microcontroller Read More »
Features Frequency measurementVoltage input Power supply Liquid Display Crystal Measurement display area Information displaying area: Auto triggering 10Hz – 7.7 kHz (firmware 2.0 and above)24V AC / 30V DC 12V DC 128×64 pixels 100×64 pixels 28×64 pixels (Used from firmware 2.0 and above) Auto Introduction A few months ago as I was surfing on the net,
AVR LCD Microcontrolled Oscilloscope using ATmega32 microcontroller Read More »
Introduction. Nowadays, USB is the most popular connection between PC and peripherals such as AVR programmers, printers, scanners etc. For that reason I had to modify my old serial AVR In-System-Programmer (ISP) to work with USB connection. You can say, “use a USB to Serial adaptor to connect your AVR ISP with your PC”. Yes, that could
USB AVR programmer using ATtiny2313 microcontroller Read More »
Study the Analog to Digital capabilities of Atmel ATtiny26. This tiny but mighty IC is really a miracle. One special thing is the internal 10-inputs multiplexed ADC circuit which can covert analog voltages to bytes. This check circuit uses only 3 inputs. Of course you can may changes to use more inputs. For more detail:
10 Bit analog to digital converter using ATtiny26 microcontroller Read More »
Introduction With this circuit we can control up to 8 devices (4 devices in our example project), by sending a specific SMS message with any mobile phone. It’s very useful in the case that, at the place we have the devices, we have not a wired (fixed) telephone line. If you have an old ericsson mobile phone
SMS control 4 way remote control relays using ATtiny2313 microcontroller Read More »
Introduction How many times you needed some remote control to handle some electric device ? Many times. There are lot of remote controls like infrared, RF, SMS (like my other circuit) and more. The basic small-range remote controls are 2, Infrared and RF (Radio Frequency). One of the weaks of Infrared is that the signal
RF 2 channel remote control 418MHz using AVR microcontroller Read More »
Introduction: As you know the AT90S1200 microcontroller includes an internal RC oscillator that is disabled by default. If you want to change it (enable or disable) you must to program it with parallel mode. The most programmers work on serial mode that is not possible to program this fuse bit (RCEN). With this stand-alone programmer you can enable
RCEN fuse programmer using AT90S1200A microcontroller Read More »
Attach any I2C client chip (thermo sensors, AD converter, displays, relais driver, …) to your PC via USB … quick, easy and cheap! Drivers for Linux, Windows and MacOS available. The i2c-tiny-usb project is an open source/open hardware project. The goal of i2c-tiny-usb is to provide a cheap generic i2c interface to be attached to
i2c interface to USB interface using attiny45 microcontroller Read More »
Contents The hardware The USB interface Calibration PC assisted calibration Self calibration Software Drivers Joystick drivers Maemo drivers The input event subsystem Setting permissions Enigma FAQ Downloads The TiltStick is a small acceleration sensing device in form of a USB stick. It’s using a two axis acceleration sensor to measure acceleration (caused e.g. by motion
Acceleration sensing USB interface using Atmega8 microcontroller Read More »
