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RC Modeling

Simple version. Full version located here

Four/Five Channel RC Cars - TX and RX circuits using metal gate CMOS instead of custom chips.

Simple RC Cars - Single channel Transmitters and Super Regenerative Receivers at 27MHz and 49MHz

Tiny RC Cars TX and Charger

Sound Activated Toys

Stepping Motor Driver - Minimalist circuit uses one CMOS gate and is reversible

Solar Engine Circuit - Utra Efficient circuit runs small DC motor in a poorly lit room

UNIPOLAR STEPPER MOTOR CONTROL CIRCUIT. This circuit controls a small, four-phase, five-wire, unipolar stepper motor, commonly designated the "KP4M4-001." This type of motor was used in many 5 1/4" floppy disk drives in older computers. Now obsolete, such disk drives are often available on the surplus market for a small fraction of the motor's original cost. The stepper motors are easy to extract from the drives, and are ideal for many applications. This arrangement was used in the scale model of a RADAR set to control the position of a miniature parabolic antenna. (Note that some 5 1/4" floppy disk drives used a four-wire "bipolar" motor, which is not compatible with this circuit.)

BIPOLAR STEPPER MOTOR CONTROL CIRCUIT. In this circuit, a potentiometer controls both the speed and direction of a small bipolar stepping motor like those found in many 5 1/4" floppy disk drives. Note that the bipolar motors are distinguished from "unipolar" types, in that bipolar units have two coils instead of four, and four wires instead of five. With the potentiometer at the extreme counterclockwise position, the motor runs counterclockwise at the maximum speed. Rotating the potentiometer toward the center slows the motor, until it stops. Continuing potentiometer rotation clockwise, the motor starts to run clockwise, increasing in speed to the maximum clockwise position.

Light Chaser - A Modified MOVIT Robot: it seeks the brightest light and runs towards it! It has two motors (left & right) in order to make the turns; on top two light sensors (photodiodes) separated by a PC board in order to simulate "a nose".

Infra Red Vision System for a Toy Car

Alarm buzzer. Sometimes RC model land into high grass and you can spend a lot of time, prior to find it. In such situation, alarm buzzer makes a great help...

Tachometer for engine RPM control.

Piezo gyro for helicopter tail boom stabilisation.

Engine heater. Useful device to heat cold engine.

Speed control for Speed400 electric motor. Simple and compact.

Battery Indicator. This indicator is suited for live control of aicraft battery power.

Low voltage DC speed controller

300MHz AM RF Remote Controls. RF remote control parts kits & schematics. How to Build a 300MHz AM, RF Remote Control System.

The Fire-Stick. The ULTIMATE infrared remote control system, with up to (100-Foot) operating range.

PicBasic Experiments With The PIC16F877. Your First PicBasic Project: The old blinking LED thing that you just knew was going to turn-up here somewhere....!

Controlling LCD Modules With PicBasic.

Robotics & Remote Control: Building an RF Remote Control System For Robotics Control. How to build a 9600 baud, serially controlled, RF remote control system for your robotics applications using the TWS-434/RWS-434 RF modules with PicBasic.

Using 1-Wire Devices: PicBasic Experiments With The PIC16F877. Using the Dallas DS1820, 1-Wire™ Digital Thermometer. This application shows how to communicate with the DS1820, and helps you to implement them in your designs.

Using PicBasic with the PIC16F84 PIC Microcontroller. Creating & Using Asynchronous Serial Solutions: How to build your own 12-Pin I/O-expander using the PIC16F84 and PicBasic. This project will control up to 12 individual relays through a serial connection to your PC or other asynchronous serial interface.

How to Build a 10-Key Serial Keypad. Creating & Using Asynchronous Serial Solutions: How to create your own "Serial Keypads". This project uses PicBasic Pro, and the PIC16C620A microcontroller to build a 10-key serial keypad. The PIC16C620A only costs $2.50 each in single quantities, and the keys are simple normally-open, push-button switches. Build a user input keypad for your next basic stamp or PIC design and use a single I/O-pin for the interface.

Controlling Hobby Servo Motors: Controlling hobby servo motors with PicBasic through the PC serial port. This project uses the PIC16F84 to interface to the PC serial port, and includes FREE Visual Basic software to control up to 7 hobby servo motors attached to your PC.

Building a Serial Servo Motor Controller. Controlling Hobby Servo Motors: Servo-Commander. This article shows how to program the PIC16F84 to control up to 8 hobby servo motors with the PIC and PC serial port. This article includes the complete PicBasic code and full Visual Basic "Servo-Commander" software.

Controlling Hobby Servo Motors: How to build your own addressable serial servo controllers using the 8-pin PIC12C671. Control a ton of servo motors with a single I/O-pin, and ad the ability to move many servos at the exact same time with one serial command line.

PicBasic Experiments With The PIC16F877. Analog to Digital & Using The 8-Pin PIC: Using the PIC16F877 A/D Converter. This example displays 3-channels of analog input on an LCD display.

8-Pin, 8-Bit CMOS Microcontroller with A/D Converter. Analog to Digital & Using The 8-Pin PIC: Using the 8-Pin PIC12C671 with PicBasic.

Using the Onboard 8-Bit A/D Converter of the PIC12C67X. Analog to Digital & Using The 8-Pin PIC:

Designing a 4-Channel A/D Application with the PIC12C671. Analog to Digital & Using The 8-Pin PIC: How to build a 4-channel A/D converter using the PIC12C671. This application is excellent for building robotic guidance systems using light to control robotic behavior, serial volt-meters, hobby servo positioning systems, using arrays with PicBasic, you name it...! Lots of possibilities with this project.

"Serial Relay Controller" with the PIC12C671. Analog to Digital & Using The 8-Pin PIC: Designing a simple I/O expander or serial relay controller using the inexpensive, 8-pin, PIC12C671.

433.92 MHz RF Remote Control. Use the BASIC Stamp or PicBasic serout commands to control the transmitter and serin for the receiver to create powerful communications links, robotics control applications, you name it -- With an operating range up to 400+ feet, these tiny RF modules make the addition of RF remote control or wireless data communications very affordable, and they are incredibly simple to use. The TWS-434 & RWS-434 TX/RX combination can be used with direct asynchronous serial data, and are an excellent choice for BASIC Stamp, PIC, 8051 applications, and home remote control systems. Build remote data-logging applications, or robot colonies that communicate via RF links..

Servo-Tester - simple servo/speed controller tester based on two 555 timers.

Speed Control with PIC chip

PWM DC Motor Speed Control (This is a circuit for controlling the speed of small DC motors, it makes a great model railroad speed control.)

Scaling ADXL50 accelerometer output

Snake throat muscle controller

Handy cricket for robotic applications

Incline Railway Control Circuit

A Receive Signal Decoder

27Mhz toy car receiver

27Mhz toy car transmitter

One ounce rocket ejection timer

LED traffic lights

Two-tone siren

Proportional radio remote control

Seaplane schematic

Model Rocket with Video Camera

Signal breaking module

RF serial link for robot

PIC based rocket altimeter

Robot with PIC16F84 brain & InfraRed eyes

0-10V control for RC servos

Robotic microcontroller board

Multi Rocket Launcher

Model rocket launch controller

Pad launch controller for model rockets

Simple flashing light circuit

Simple flashing light circuit

A dual alternating flashing light circuit

Simple flashing light circuit

A dual tandem flashing light circuit powered by a 9 volt battery

Simulate the Gyralite (dual flashing headlights).

Simple train detector using ambient light and a photocell

Simple charge rate monitor

Deluxe charge rate monitor

"CLONEPAC" memory module for Futaba 8UAF/8UAP

Battery pack discharger

Plane locator

Plane locator 2

Battery low voltage alarm

Battery low voltage alarm 2

Ultimate battery low voltage alarm

R/C digital camera controller

R/C helicopter camera

Building an RF Remote Control System

Motor walker circuit

250-amp Speed Controller for RC cars

Two tone train horn

R/C Emergency locator alarm

Remote switch for radio-control aircraft accessories

Radio Control Battery Backup

Glow Plug driver for model engines

Robot PacMan - Proyecto completo

TR-Brain -- Construye tu propia controladora programable

PicProg -- Programador para Microcontrolador PIC 16F8xx

Controladora para cuatro Motores Paso a Paso

Agregando voz y sonido a un ROBOT

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