Peter's DIY electronic projects
Add ethernet connectivity your projects, get started with the Microchip Ethernet Starter Kit quickly.
This guide shows how to setup the MPLABX development environment for compiling PIC32 source code and the TCP/IP stack.
Control
up to 8 devices by this easy constructable remote control. It can work
as a radio or infrared remote control, depending on the components.
Each device output can be configured to be momentary (turned on while
you press the button) or latched.
Latched outputs can be toggled on/off by one button per channel, or
turned on and off by two buttons per channel.
Take your existing remote control and control everything with it. This receiver can learn codes from an
RC-5 format IR remote control, and associate the buttons to different channels and actions.
Control up to 16 remote digital output lines by this remote control encoder/decoder.
The encoder can transmit either using a radio module or an infrared LED.
The decoder outputs can be latched or momentary
Operate
your gate or something different by this simple electronic combination
lock. The combination can have a chosen length of numbers or alphabets,
and can be changed any time. The LCD display is optional, the circuit
works fine without it. After entering the correct combination, a relay
is operated for the predefined time.
Add general purpose input/output lines to your computer based or openwrt projects! You can control 12 digital input/output lines from USB port using this circuit. Each line can be individually set to an input or output, and each output pin can be
set HIGH or LOW independently, without changing other output pin states.
Build your own temperature meter for fun. This project uses the
Microchip
TC77 digital temperature sensor, a PIC16F871 microcontroller
and a
7-segment 3½ digit LCD. You can study the source code on how to drive
an LCD
display.
Automatically turn off the lights after 10 minutes. If you
often forget
to turn off the lights outside or at different places in the house,
this circuit can be practical for you. It can control two independent
light switches with different turn off times. Press the button once and
the light turns on for the preset time. Press again, and the light
remains on forever. Press for the third time, and the light turns off.
Control all your devices from the PC. This infrared remote
control transmitter can be controlled from a computer. It speaks many
different remote control formats, like the Philips RC-5 standard and
can be tailored to other specific types.
Turn on the sprinkler or the aquarium lighting for the same
period of
the day. You can choose to operate the output by every 2nd, 3rd, ... day
only. There is a manual start/stop button to immediately turn on or off
the output, and a disable button to completely turn off automatic
operation.
Connect
an LCD to your microcontroller to make it easy to develop and debug
your application. You can choose which PIC I/O pins you want to use for
the interface, and any HD44780 compatible LCD can be controlled.
Connect
your PIC devices on a shared network, and they can communicate to each
other and share information. You can control them all by any unit on
the network.
Are
you new to microcontrollers? Microchip 8-bit PIC microcontrollers are
cheap and easy to start with. You can find them in many size starting
at 6 pins. Most parts contain FLASH program memory, so they can be
programmed hundred times. A good choice to start with is the 40-pin
PIC16F887, or the 18-pin PIC16F628A/PIC16F818. They contain integrated
serial interface, timers, PWM module, AD converter and separate EEPROM
to store your own data.
Electronic parts documentation
Favourite links
Peter's homepage
tronixstuff
Circuit
Projects
diy4fun
Geeksinside.com