There also try to feature a lot of cards prepared with eagle pcb, diagram in the drawing’s 2 × 16 LCD connection I2C, PWM RS232 connectors, drive partitions and a lot more is found.
ONBOARD LCD 2 x 16 characters ( with background programmable LIGHT )
4 LED for USER SITUATION
2X3 MATRIX button on the plates for LCD menu OR ANY OTHER EVENT ( optional)
4 analog READINGS trimmer , OR FOREIGN ENTRY LEVEL ( SELECT JUMPER )
IN CIRCUIT PROGRAMMING SOCKET SERIALL
SUPPORT FOR MCS + bootloader and ICD
RS 232 for PC or RS-232 MOBILE PHONE WITH ADDITIONAL 3V3 limiter ( SELECT JUMPER )
Solatron
I2C CONNECTOR
OneWire temperature sensor on the circuit board
ULN DRIVER ( up to 500 ) per output
4 output relay ( or something else , solenoid valves, sirens, motor skills , LAMP 500mA )
2 PWM outputs THROUGH ULN DRIVER (say it like analog output )
FREQUENCY STABILIZED resonator ( deafult 4MHZ , FOR 452 PLL 40MHz 10MHz IDE )
Password: 320volt.com
Published: 2010/08/03 Tags: pic development board, pic16f877 projects
Pic16f628 Bipolar Stepper Motor Driver Circuit LMD18245
One bipolar stepper motor drive circuit PIC16F628 2 lmd18245 (3 amps 55volt) hyperlinked integrated motor drive is used. The author is talking about is using CNC milling project. The project’s source code (micropascal) and PCBs have drawings.
LMD18245 Motor Driver