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12 MHz crystal |
x 1 | |
|
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18F2550 |
x 1 | |
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20 pin socket |
x 1 | |
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8 pin socket |
x 1 | |
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BC557 |
x 2 | |
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BC547 |
x 2 | |
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LED |
x 2 | |
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1N4148 |
x 1 | |
|
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100 uH inductor |
x 1 | |
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22k resistor |
x 1 | |
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12k resistor |
x 1 | |
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100k resistor |
x 1 | |
|
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10k resistor |
x 5 | |
|
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1M resistor |
x 1 | |
|
|
2.1k resistor |
x 2 | |
|
|
3.3k resistor |
x 1 | |
|
|
0.1k resistor |
x 23 | |
|
|
330k resistor |
x 2 | |
|
|
100uF capacitor |
x 1 | |
|
|
22pF capacitor |
x 2 | |
|
|
220nF capacitor |
x 1 | |
|
|
100nF capacitor |
x 3 | |
|
|
10uF capacitor |
x 1 | |
|
|
USB-B or micro-B |
x 1 | |
|
|
10 pin female header |
x 2 | |
|
|
5 pin header |
x 2 | |
|
|
3 pin female header |
x 1 | |
|
|
28 pin socket |
x 1 |
Open USB programmer
This project started a long time ago, circa 2007; during that time, as serial and parallel interfaces had recently (almost) disappeared, electronics enthusiasts found very difficult to program microcontrollers; old time serial programmers didn't work any more.
Common solutions were USB to serial adapters or add-on interface chips; but this was essentially going around the problem and still using old school serial communications.
So why not using a native USB interface like the one present in some PIC microcontrollers?
After searching a while I couldn't find an USB programmer which was at the same time functional, free, and open source, so I decided to design one.
The focus is on PIC micros, but also many AVR are supported, as well as serial memories using different interfaces like I2C,SPI,MicroWire,OneWire,UNIO; altogether over 800 devices.
Open USB programmer
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
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