UC00A – USB to UART Converter
By SC Lim, RH2T Mag Volume 4, March 2010 Need an effective way to establish communication between an embedded system and your computer? You are probably well acquainted with USB as the interface used by mice, keyboards, drives, cameras and other mass-market peripherals, but USB is also versatile enough for use in embedded system. …
How Does Stepper Motor Works – Part 2
BY: SC Lim, RH2T Mag, Volume 3, Dec 09 Part 1 covered the characteristic, ratings and specifications, fundamentals of operation, and different types of stepper motor. This time, we’ll cover the drive methods. Topic Review Stepper motor is a rotational positioning actuator designed to produce motion in “steps” (basically 200 mechanical positions …
Low Cost Wireless UART
By: Kong Wai Weng RH2T Magazine Vol.6, Sep 10 We have been receiving a lot of emails asking us how to use the low cost RF module for wireless communication. In this article, we discuss some tricks and tips on how to make the low cost wireless communication as reliable as possible. …
LCD: Interfacing with PIC Microcontrollers Part 2
By SC Lim RH2T Mag, Volume 5, Jun 2010 In previous issue, we discussed the general hardware structure, control pins, hardware connection, RAM and registers, and finally the instruction sets of the standard LCD module. Now let’s practice what we’ve learnt! LCD Initialization In this part, we will see …
MC40SE, Controller for Line Following Robot
Last month I talk about Remote Controlled Mobile Robot using MC40SE, this month I want to use it for simple line following robot. MC40SE, Advance Mobile Robot Controller There are questions about MC40SE, whether it is compatible with AR40B (Enhanced Autonomous Robot Control Board). It is not fully compatible if you want …
How does Stepper Motor Works – Part 1
By SC Lim RH2T Magazine Vol 2, Dec 2009 Stepper motors operate differently from normal DC motors, which rotate when voltage is applied to their terminals. An Overview Stepper motors were developed in the early 1960′s as a low cost alternative to position servo systems in the emerging computer …
XBee Series 2 Point to Point Communication
Introduction XBee is very easy and popular wireless device. It is a transceiver, it can transmit data wirelessly and it can also receive data wirelessly. There are several types of XBee module and it might get confusing. The very popular XBee is Series 1 (802.15.4), comes with the firmware to create connection of point …
Loading Program to Arduino Pro Mini
Arduino Pro Mini is a compact but powerful Arduino board. Being design with the idea to minimize the cost, the on-board USB to UART chip is taken out. leaving the board with pure ATmega microcontroller, voltage regulator and reset button. Yes, is low cost compare to the typical Arduino Duemilanove or UNO. …
Updating UIC00B Operating System
Low cost, USB plug and play, Fast, support many PIC microcontroller, Programmer Some of UIC00B user have asked about the Red LED blinking on UIC00B when the USB is connected and powered. Opening PICkit 2 programmer software result in no response. Or in some cases, when UIC00B is plug into USB, PICkit …
2012 Microchip Technical Seminar
A bit late, but is never too late 
Is wonderful for us to attend Microchip Technical Seminar (previously is called Microchip Embedded Designer Fourm, EDF). This year, they have a section at Penang, is near to my office, so I attend it. Before Seminar start, discussion with participants …
