| Electronics > Projects, Designs, and Technical Stuff |
| How many of you have built a Microcontroller? |
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| VladKEasternTiger:
Hi Gang, im wondering how many of you guys and especially the experienced people have build a Microcontroller device or a remote control device? I had watched a video on Youtube about a university in the UK on a EE course programme and in their final year they build a Microcontroller Im wondering how advanced would you need to be in Electronics to master this area or a remote control device, I presume it takes a lot of knowledge. |
| migsantiago:
More or less. I built a PIC16 clone on VHDL. It's kinda tricky because you have to know how a pic works... its ALU, ram, buses, rom and program counter. Then you have to know how instruction codes operate and how to receive and process bits. It's not that hard, it just takes time and effort. At the end, I prefer using microcontrollers instead of designing them. |
| joelby:
Designing a very simple microcontroller in VHDL seems to be a fairly common 3rd/4th year engineering course. Remote control devices are easy to build with off-the-shelf transmitter and receiver modules. To design a complete radio system is a little bit more involved - it seems like few people bother these days, and why would you, unless you had advanced requirements and unlimited free time? |
| VladKEasternTiger:
How would I get an off the shelf receiver transmitter model? Do you mean buying like a cheap remote control toy car and taking the transmitter receiver out of it? |
| TheDirty:
Sparkfun sells plenty of transmitter/receiver modules. They range from the dumb on/off units that require you to do your own encoding to super smart mesh network transceivers that do everything for you, like the XBEE's. I've played with a whole range of them from the dumb transmitter/receiver modules to the transceivers like the CC2500 which are IEEE 802.15.4 compliant, but lately I've been using the HopeRF RFM12B modules, which are kinda between the dumb modules and the super smart modules. You talk to them over SPI and they have some nice features, but it's still pretty simple and you can implement your own protocols. Actually, if you are using an Arduino (I don't) there's code available already for the RFM12B's and this guy does a lot with them: http://news.jeelabs.org/ Dumb modules: http://www.sparkfun.com/commerce/product_info.php?products_id=8949 Receiver http://www.sparkfun.com/commerce/product_info.php?products_id=8946 Transmitter RFM12B: http://www.sparkfun.com/commerce/product_info.php?products_id=9582 XBEE's: http://www.sparkfun.com/commerce/product_info.php?products_id=8665 |
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