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Microprocessor Circuits   Page 2r
Microprocessors:  #'s     A-B     C-G     H-L     M-O     P     Q-S     T-Z

Last Updated on:
Wednesday, November 29, 2017 05:40 AM


Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

AT89C2051 Night Light Saver -  ....
AT89C2051 Real Time Controller -  ....
AT89C2051 Serial Coms to LED Driver -  ....
AT89C2051/4051 Driving Dot LED -  ....
AT89C2051/4051 Easy Downloader -  ....
AT89C2051/4051scanning 7 Segment Display & Keypad -  ....
AT89C4051 as RTC -  Realtime Clock with LCD by Ajay Bhargav from India. ….(electronic schematic added 06/09)
AT89C4051 as RTC (updated) -  updated Realtime Clock with LCD by Ajay Bhargav, featuring big size number! ….(design added 06/09)
AT89C51/52/55 Easy Downloader -  ....
AT89Sxx base board -   ….(Circuit design added 06/09)
AT90S8515 Experimenter Board -  (electronic circuit added 7/03)
ATM18-DIP -  Even though you can’t actually damage the microcontroller in the ATM18 project by the configuration of its fuse bits, setting them wrongly can however disable it. There are actually several different ways of cutting off the branch you’re sitting comfortably on….must register on this site....[Published in Elecktor July/August 2010]
Atmega48/88/168 Development Board -  This is versatile development board for AVR microcontrollers ATmega48/88/168. It is good for testing and debugging embedded programs. It has many built-in peripheries connected to microcontroller so you can use them without soldering. ATmega microcontrollers are produced by ATMEL and they include a lot of features: I/O, Timers, PWM generators, ADC, RS232, TWI, SPI,….(electronic schematic added 11/08)
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Atmel 8051 Flash Based MicroController Programmer -  The Atmel Flash devices are ideal for developing, since they can be reprogrammed easy and fast. If you need more code space for your application, particularly for developing 89Cxx projects with C language. Atmel offers a broad range of microcontrollers based on the 8051 architecture, with on-chip Flash program memory....
ATMEL 89 Series Device Programmer  -  more chips and easy-use devices programmer!  ….(design added 06/09)
ATMEL 89 Series Flash MicroController Programmer Ver 2.0 -  This programmer was designed in view of to be flexible, economical and easy to built, the programmer hardware utilizes the standard TTL series parts and no special components are used. The programmer is interfaced with the PC parallel port and there is no special requirement for the PC parallel port, so the older computers can also be used with this programmer.…....
Atmel 89C Series Flash MicroController Programmer -  (circuit added 06/07/08)
ATMEL 89C Series Flash Microcontroller Programmer Ver 1.1 -  Build your own flexible & easy to built Atmel 89C series flash programmer…. [M Asim Khan,   asimkhan@sat.net.pk]
Atmel 89C2051 In-Circuit Programmer Schematic -  (electronic circuit added 4/05)
Atmel 89C2051 Prototype Board -  This single sided proto board provides an economical solution for developing and testing the projects around Atmel 20 pin series u-controllers (89Cx051 & AVR)….(electronic circuit added 4/05)
Atmel AVR & 8051 Series Isp Programmer -  (electronic circuit added 4/05)
Atmel AVR Programmer -  Easy-to-build AVR µC-programming circuit that can program the 40-pin AT90S4414/8515, the 20-pin AT90S1200/2313, and the eight-pin AT90S2323/2343. The programmer uses only three chips. It connects to the host PC's serial port via a MAX232 RS-232 transceiver, IC1. Power comes from a 9V wall cube and the 78L05 linear regulator, VR1. The AT89C4051 µC (IC2) works with the 11.0592-MHz oscillator, and controls all programming tasks. LED1 indicates the programmer's status. ….(electronic schematic added 11/08)
Atmel Solar Panel Battery Charger -  Batwatch is a simple monitor for a solar panel battery charger, using an Atmel ATtiny13V. It periodically measures the charge current and battery voltage, and shows them by blinking two LEDs. I built this circuit into the plug of a VW solar charger panel that is used to prevent a discharge of the battery when a car is not used for some time. A modern car contains a large amount of electronics, and a quiescent current of 40-50mA (about 1Ah per day!) is considered "normal". …....
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