Microcontroller based schematics

  • PIC based packet radio encoder (PDF)
  • RS485-Version of the SAB80C535-Microcontrollerboard
  • PC IR receiver based on PIC16F84
  • Record and play fast 1-bit sound on a PIC micro
  • AT89C2051/4051scanning 7-segment display and keypad
  • AT89C2051/4051 Driving dot LED
  • AT89C2051/4051stepper motor interface
  • AT89C2051/4051connecting dumb terminal
  • Motorola 68K SBC (single board computer)
  • 8051 SBC (single board computer)
  • Simple RS232C Level Converter using Transistors
  • Motorola 68HC11 evaluation board
  • C-52 EVB Robot Controller
  • Mains clock controller using AT89C2051
  • AT89C2051/4051 Easy-Downloader
  • AT89C51/52/55 Easy-Downloader
  • PIC16F84 programmer
  • PIC16F84 miniature real-time controller
  • Isolated RS232 for PIC16F84
  • PIC16F84 debugging terminal
  • MiniLOGGER V1.0
  • Analog datalogger based on T89C51RD2
  • Atmel 89C Series Flash Microcontroller Programmer
  • Atmel 89C2051 prototype board
  • AT89C2051 real-time controller
  • PIC12C508 Night-light saver
  • AT89C2051 Night light saver
  • Atmel 8051 Flash Based-Microcontroller Programmer
  • AT89C2051 Digital thermometer and clock
  • 4-Channel Timer using Atmel 89C4051 and MAX7219 display driver
  • PIC16F84 CW decoder (PDF)
  • 12C508 Smart Lock
  • Basic Stamp based altimeter
  • Interfacing EEPROM to a Basic Stamp
  • Homebrew Basic Stamp project
  • Interfacing the MAX186 8 Channel ADC to the BSII
  • Interfacing the MAX187 ADC to the BSII to measure voltages
  • RF remote control based on Basic Stamp
  • 80C31 stepper motor controller
  • Build a PIC controlled DDS VFO, 0 to 6 MHz
  • PIC controlled DDS VFO, 0 to 6 MHz
  • Basic Stamp Lightning Activity Monitor
  • Parallel AVR programmer
  • PIC16F84 line following robot
  • PIC16C505 IR / wireless remote control
  • Automatic door opener with PIC12C508
  • RS485-like multi-drop bus with half duplex serial protocol
  • 50 MHz frequency counter, voltage meter & SWR/PWR indicator
  • Microcontroller board using the Atmel AVR AT90S8535
  • Programmer PIC16F84,12C50x and EEPROM 24Cxx
  • RDS Encoder - digital part
  • PIC programmer for serial port
  • Fully functional PS/2 mouse based on the PIC16F84
  • PIC 18 programmer (PIC18F458, PIC18F452, PIC18C252, PIC16C745, PIC18F6620, PIC18F6720)
  • Freign vocabulary recollector
  • Illuminate holiday destinations on a world map
  • Embedded system to send e-mails (small TCP/IP stack)
  • Speaking clock using PIC & ISD device
  • Speaking doorbell using PIC & ISD device
  • Whistle detector using 8-pin PIC
  • PIXpand
  • PIC16F877 to IDE interface
  • 68HC11 stepper motor control
  • 90S2313 AVR Robot Board
  • POCSAG encoder/decoder
  • Network Time Protocol AVR Clock
  • DS1820 Temperature Sensor Readout Unit
  • Rotating Sprocket Wheel Generator (PIC16F84)
  • Talking PIC - based on SP0256
  • Serial to parallel converter using the AT89C2051
  • AT89C2051 serial COMs to LED driver
  • PIC16F877 Programmer And Development System
  • DS1820 Arbiter V2.00 Schematic
  • Microchip PIC ICSP implementation
  • 101 AT Keyboard to ASCII Decoder using 68HC705J1A MCU
  • LCD Serial Terminal
  • Propellor clock (PIC16F84)
  • Optical sensor using PIC12C508
  • Interfacing S-7800A to PIC16F877
  • A Scenix (and PIC) Programmer
  • MMC to PIC16F876 circuit diagram
  • 8088 maximum mode SBC
  • EZ80 single board computer schematic (Z80)
  • 8051 Development System Circuit Board
  • Voice recording and message retrieval system
  • Long-period watchdog timer
  • Generate video signals in real-time using a PIC16F84
  • PIC ICD
  • Smart card programmer
  • Jupiter card programemr
  • Tutorial board for PIC16F84A microcontroller
  • PIC Project #1 - RS232 to I2C Interface
  • Galvanic decoupling of I2C bus
  • Programmer PIC16F84,12C50x and EEPROM 24Cxx
  • Dual PIC16C84 prototype board
  • Graphic LCD interface
  • Interfacing a 4X4 keypad to a BS2 using a 74922 encoder chip
  • FSK modem with PIC16C84
  • Talking YODA project (PIC16C84)
  • PIC16F84/PIC16F87x-In-System-Programmer
  • Microcontroller interface for 5KW microwave oven
  • Using an I2C Serial EEPROM with a Basic Stamp 2
  • PIC16F84 Based Morse Code Reader
  • AVR-Based Serial Port IR Receiver
  • Interfacing piezo elements to a microcontroller
  • Victoria TAFE programmer (based on AT89C2051)
  • JDM programmer
  • PIC micro programmer
  • Speech recognition using HM2007
  • PIC microcontroller servo motor interface
  • PIC micro multiple servo motor interface
  • PIC16F84 countdown timer
  • PIC16F873 ultrasonic range meter
  • PIC16F873 Digital clock
  • PIC16F873 remote display
  • PIC16F84 stepper motor controller
  • Way small web server
  • PICADC - a free, PIC based "intelligent" A/D converter
  • PIC-Programmer 2
  • Connecting PIC12C508 8 to 93AA46 serial eprom
  • KD7LMO Micro Beacon (PIC18F252)
  • GPS LCD Display Project
  • PIC16F84 LED chaser
  • PIC micro LED projects
  • PS/2 keyboard keystroke logger based on Atmel 89C2051
  • Electronic distance meter based on Motorola 68HC908QY4
  • Fan timer based on Motorola 68HC908QT2
  • Atmel AVR and 8051 series ISP programmer
  • AT89C2051 line-follower robot
  • Night light saver (PIC12C508)
  • USB and GLCD expansion board for 8051 SBC
  • Microcontroller sensor and actuator interfaces
  • Giant money counter (PIC16F876)
  • PIC12C509 logic gate replacement for nitrogen filler
  • PIC demo board
  • PIC12C509 Gym Timer
  • PIC LCD and Keypad driver
  • PIC12C508 Phase Controller for 2kW heater
  • PIC16F84 TRIAC / IGBT brightness phase controller
  • PIC16F84 pulse monitor with date/time output (ZIP)
  • Programmer for the 68HC705C8 MicroController
  • 27c801 EPROM Programmer Project
  • LCD to PIC16C54 schematic
  • 68HC11 based RDS decoder
  • Acceleration monitor using ADXL202 and AVR
  • 40+ MHz 5-digit frequency counter with an AVR 2313
  • Interfacing DRAM to AT90S8515
  • Temperature monitor/controller: AVR 2313 / DS1621
  • PIC micro to ISA bus interface
  • Microchip PIC ICD (in-circuit debugger)
  • Tony Nixons Pocket Programmer (PIC)
  • PicoWeb V5.1 (AT90S8515) tiny web server
  • Atmel 89C2051 In-Circuit Programmer Schematic
  • 8051 Development System Circuit Board
  • 8051 Development System Circuit Board
  • Microprocessor using Xilinx FPGA
  • Temperature controlled based on AT89CX051
  • I2C LCD interface
  • AFSK 1200 Modem based on PIC16C620
  • PicCon - Hidden Radio Transmitter Controller
  • PIC16F84 tone generator with source code
  • PIC16F84 tone generator
  • PIC16F84 tone generator (6-Bit)
  • AVR Beacon Super Keyer
  • AVR Frequency Counter
  • AVR Digital Voltmeter
  • AVR Signal Generator
  • Ser-Key 10-Key Serial Keypad Encoder
  • 2-wire LCD interface using PIC16CF84
  • PIC16F84 Serial I/O-expander with PicBasic
  • RS 485-RPT Schematic
  • Camera remote control system using Basic Stamp
  • Low cost Atmel in-system programmer
  • Ultra low-cost programmer for AT90S family
  • Connecting AT90S2313 with LCD display 2x16 char and 4x4 keypad
  • Electronic safety lock based on ATtiny26
  • GSM SMS remote control using AVR microcontroller
  • 128x64 LCD Driver for AT90S2313 (ZIP file)
  • Connecting LED to PIC Micro I/O pins (PDF)
  • Microprocessor RS-232 Reset
  • AT90S8515 experimenter board
  • Multi-chip programmer for PIC microcontrollers
  • Buffered PIC chip interface
  • ScanMate audio activated recorded
  • PIC vacuum fluorescent display interface
  • PIC18F252 bootloader schematics
  • PIC16F876 Datalogger
  • Kodak DC-20 camera interface (PIC12C509)
  • Kodak DC-20 camera interface (PIC16F84)
  • PIC ICD in-circuit debugger circuit diagram
  • Wisp628 ISP Microchip PIC Programmer
  • WLoader - PIC16F877 application loader / bootloader
  • Nixie clock (PIC16F876)
  • Zilog Z80 thermostat embedded web server
  • Picxie 2 - 8x8 Animated LED Signboard (PIC16F84) Picxie 2 - 8x8 Animated LED Signboard
  • 10 tricks for interfacing to the PIC16C508
  • Interfacing the PIC16C508
  • PIC 5x7 display
  • Analog to digital conversion notes
  • Multi-chip programmer