digispark:tutorials:boost
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| - | ======Boost Shield Kit Tutorial====== | ||
| - | =====Product Description:===== | ||
| - | [[https://s3.amazonaws.com/digispark/images/m/boost9.jpg|{{https://s3.amazonaws.com/digispark/images/t/boost9.jpg}}]][[https://s3.amazonaws.com/digispark/images/m/boost2.jpg|{{https://s3.amazonaws.com/digispark/images/t/boost2.jpg}}]][[https://s3.amazonaws.com/digispark/images/m/boost1.jpg|{{https://s3.amazonaws.com/digispark/images/t/boost1.jpg}}]] | ||
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| - | The Boost Shield Kit allows you to use supply voltages under 5v with the Digispark development board. The Boost Shield boosts a 2-4.5v supply (including 2 aa or aaa batteries, or on lipoly) to 5v and connects directly to the Digispark. | ||
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| - | This is an unassembled kit and requires basic soldering. This is designed for use with the Digispark development board, which is not included. | ||
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| - | This kit is based on the MintyBoost design by Adafruit! | ||
| - | =====Parts:===== | ||
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| - | ^ Part ^ Quantity ^Identification^ | ||
| - | | Boost Shield PCB|1| | | ||
| - | | LT1302-5 Boost IC|1| | | ||
| - | | 8 Pin Socket|1| | | ||
| - | | 10uh Inductor|1| | | ||
| - | | 220uf Electrolytic Capacitor 10V+|2| | | ||
| - | | 0.1uf Ceramic Capacitor 10V+|2| | | ||
| - | | 1N5817 Diode |1| | | ||
| - | | 3.5mm 2-pin screw terminal |1| | | ||
| - | | 1x40pin male 0.1" pitch header| 9 pins worth| | | ||
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| - | **Soldering:** If you are new to soldering we recommend the following tutorials: | ||
| - | Soldering Basics (http://www.sparkfun.com/tutorials/106) and Soldering Crash Course from the folks at Sparkfun (http://www.sparkfun.com/tutorials/354). | ||
| - | How to solder from the Curious Inventor: http://store.curiousinventor.com/guides/How_to_Solder | ||
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| - | **We assume for these assembly instructions that you know the basics of thru-hole soldering. If you don't check out the links above, these boards are very easy to solder - we promise!** | ||
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| - | =====Assembly:===== | ||
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| - | Empty kit bag (or if using a raw PCB, aquire parts) and verify contents. | ||
| - | **Note for Kickstarter Backers and Pre-orders:** Headers are not included in each kit bag, but the entire order came with more than enough headers for all kits. | ||
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| - | [[https://s3.amazonaws.com/digispark/images/m/boost9.jpg|{{https://s3.amazonaws.com/digispark/images/t/boost9.jpg}}]] | ||
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| - | Insert the diode ensuring the directional strip on the diode is on the same side as the printed stripe on the board. Solder the leads and clip off the excess. | ||
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| - | [[https://s3.amazonaws.com/digispark/images/m/boost8.jpg|{{https://s3.amazonaws.com/digispark/images/t/boost8.jpg}}]] | ||
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| - | Insert the two 0.1uf capacitors. Solder the leads and clip off the excess. | ||
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| - | [[https://s3.amazonaws.com/digispark/images/m/boost7.jpg|{{https://s3.amazonaws.com/digispark/images/t/boost7.jpg}}]] | ||
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| - | Insert the 8 pin DIP socket into the board matching the indention cut out on one end with the indention printed on the board. | ||
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| - | Insert the two 220uf capacitors, ensure that the longer lead is inserted into the hole with the + sign next to it. Solder the leads and clip off the excess. | ||
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| - | [[https://s3.amazonaws.com/digispark/images/m/boost6.jpg|{{https://s3.amazonaws.com/digispark/images/t/boost6.jpg}}]] | ||
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| - | Insert the inductor. Solder the leads and clip off the excess. | ||
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| - | [[https://s3.amazonaws.com/digispark/images/m/boost5.jpg|{{https://s3.amazonaws.com/digispark/images/t/boost5.jpg}}]] | ||
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| - | Insert the 2-pin screw terminal with the hookup openings facing outward. Solder the two pins. | ||
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| - | [[https://s3.amazonaws.com/digispark/images/m/boost4.jpg|{{https://s3.amazonaws.com/digispark/images/t/boost4.jpg}}]] | ||
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| - | Cut a length of male headers 6 pins long and one 3 pins long. Insert into corresponding positions (on the bottom of the board) and solder each pin. | ||
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| - | **Tip:** Inserting the headers into a breadboard and then placing the board on top can make this process easier. | ||
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| - | **Note:** If you are using stackable headers, use them here instead of the standard male headers. | ||
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| - | [[https://s3.amazonaws.com/digispark/images/m/boost3.jpg|{{https://s3.amazonaws.com/digispark/images/t/boost3.jpg}}]] | ||
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| - | Insert the LT1302-5 IC into the 8 pin DIP socket matching the indention cut out on one end with the indention on the socket. | ||
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| - | [[https://s3.amazonaws.com/digispark/images/m/boost2.jpg|{{https://s3.amazonaws.com/digispark/images/t/boost2.jpg}}]] | ||
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| - | =====Usage:===== | ||
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| - | Connect the + and Gnd (or -) from a power source of 2-4.5V (likely a battery) to the corresponding inputs on the screw terminal. 5V will be provided to the connected Digispark. | ||
digispark/tutorials/boost.txt · Last modified: 2016/06/09 12:03 (external edit)
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