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JDM2 PIC 18F Programmer
Posted on Tuesday, March 30, 2010   •   Category: PIC

JDM2 PIC 18F Programmer

JDM2 PIC 18F Programmer is programmer based on JDM design which takes all necessary signals and power supply from RS232 serial port. It supports 8, 18, 28 and 40 pin PIC microcontrollers which allow serial programming and I2C EEPROM memories. Programmer comes with ICSP cable for direct connection to prototype boards. The supported devices depend on the current version of ICPROG software. JDM2 programmer is supported by ICProg, PICPgm and WinPic PIC programming software .




AVR ISP Programmer
Posted on Tuesday, March 30, 2010   •   Category: AVR

AVR ISP Programmer

This board can program an AVR microcontroler ATMEL (ATmega8, ATMega32, ...) from a parallel printer LPT1 using ISP functionality In System Programming. This programming type can program and/or configure microcontroler directly on the target board without rmoving device and put it on a separate programmer. This board is compatible with programming software "PonyProg".




USB Programmer for Atmel AVR Microcontrollers
Posted on Tuesday, March 30, 2010   •   Category: AVR

USB Programmer for Atmel AVR Microcontrollers

USBasp is a USB in-circuit programmer for Atmel AVR controllers. It simply consists of an ATMega48 or an ATMega8 and a couple of passive components. The programmer uses a firmware-only USB driver, no special USB controller is needed. Works under multiple platforms. Linux, Mac OS X and Windows are tested. * No special controllers or smd components are needed. * Programming speed is up to 5kBytes/sec. * SCK option to support targets with low clock speed (< 1,5MHz). * Planned: serial interface to target (e.g. for debugging).




Serial Port PIC Programmer
Posted on Tuesday, March 30, 2010   •   Category: PIC

Serial Port PIC Programmer

The PIC programmer project presented here is intended to be used by more experienced developers who already have access to a simple PIC programmer, because the programmer hardware is built around one 16F627(A) or 16F628(A) microcontroller that has to be preprogrammed with firmware. The presented solution uses PC's serial port for reliable communication between the programming software and 'intelligent' PIC programmer hardware.




RCD Programmer
Posted on Tuesday, March 30, 2010   •   Category: PIC

RCD Programmer

I believe that the "JDM Programmer" is cheap and very useful PIC Programmer. However, since "JDM Programmer" cannot control VDD, the algorithm "VPP before VDD" is inapplicable. Programming to the latest device from this reason may go wrong when using CONFIG settings as "Internal oscillator" "MCLR OFF". These devices are given power from the "JDM programmer",and execute program code. An error may come out by verification, or it may become impossible erasure and become impossible re-programming . In order to solve this problem, I designed a programmer based on the "JDM programmer." Since this programmer was made of resistors, capacitors, and diodes, I named this the "RCD Programmer." "Hardware settings" of IC-Prog are the same as the "JDM programmer."




RS232 Serial Port PIC Programmer
Posted on Tuesday, March 30, 2010   •   Category: PIC

RS232 Serial Port PIC Programmer

PIC Programmer is an essential tool if you wish to learn or build projects with Microchip PIC Micro Processors. This serial programmer is for those who do not have a Parallel Port on their PC. Programmer may be used with PIC PROGRAMMER Professional Serial programming software from Oshosoft or other serial programming software.




PICkit2 Compatibile MPLAB Programmer
Posted on Friday, March 19, 2010   •   Category: PIC

PICkit2 Compatibile MPLAB Programmer

This is a PICkit 2 MPLAB compatibile Programmer. It is a low-cost development tool with an easy to use interface for programming and debugging Microchip’s Flash families of microcontrollers. The full featured Windows programming interface supports baseline (PIC10F, PIC12F5xx, PIC16F5xx), midrange (PIC12F6xx, PIC16F), PIC18F, PIC24, dsPIC30, dsPIC33, and PIC32 families of 8-bit, 16-bit, and 32-bit microcontrollers, and many Microchip Serial EEPROM products. With Microchip’s powerful MPLAB Integrated Development Environment (IDE) the PICkit 2 enables in-circuit debugging on most PIC microcontrollers. In-Circuit-Debugging runs, halts and single steps the program while the PIC microcontroller is embedded in the application . When halted at a breakpoint, the file registers can be examined and modified.




70V PIC Voltmeter Amperemeter
Posted on Friday, March 12, 2010   •   Category: Test and Measurement

70V PIC Voltmeter Amperemeter

This PIC Voltmeter Amperemeter was designed to measure output voltage of 0-70V with 100mV resolution and 0-10A current with 10mA resolution. It is a perfect addition to any DIY laboratory power supply, battery chargers and other electronic projects where voltage and current consumption must be monitored. The heart of the meter is PIC16F876A microcontroller with built-in analog to digital converters and 2x16 green backlighted LCD display. Circuit design uses very few external components making it possible to fit this handy meter on a small PCB.




USB FM Transmitter MAX2606
Posted on Friday, February 19, 2010   •   Category: FM Transmitters

USB FM Transmitter MAX2606

This MP3 Player FM transmitter can be used to listen to your own music throughout your home. The transmitter circuit use no coils that have to be wound. When this FM transmitter used in the car, there is no need for a separate input to the car stereo to play back the music files from your MP3 player. This FM transmitter use a chip made by Maxim Integrated Products, the MAX2606. The VCO (Voltage Controlled Oscillator) in this IC uses a Colpitts oscillator circuit. The variable-capacitance (varicap) diode and feedback capacitors for the tuning have also been integrated on this chip, so that you only need an external inductor to fix the central oscillator frequency. The supply voltage to the IC should be between 2.7 and 5.5 V, the current consumption is between 2 and 4 mA.




1.3W VHF RF Amplifier 2SC1970 88-108 MHz
Posted on Friday, February 19, 2010   •   Category: FM Transmitters

1.3W VHF RF Amplifier 2SC1970 88-108 MHz

This RF power amplifier is based on the transistor 2SC1970 and 2N4427. The output power is about 1.3W and the input driving power is 30-50mW. It will still get your RF signal quit far and I advice you to use a good 50 ohm resistor as dummy load. To tune this amplifier you can either use a power meter/wattmeter, SWR unit or you can do using a RF field meter.




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