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A sizable inventory of electronic components was purchased for [[Hackersmart]], with the goal that the unsold portion thereof would seed HacDC's electronics lab. This has come to pass, and the components are arranged on a pegboard by the soldering desk. This page is to explain what's available, how much it costs, where to get more, and as a place to request additions to the store.
{{RevisionNeeded}}


Pricing is intended to cover our cost and shipping, and to make the store self-sustaining like the fridge. These are internal "member's prices", and may not reflect what we charge at conferences, where there's an understanding that purchases actively help HacDC.
*** See also [[Suppliers]] ***


=== Cash Register Departments ===
 
 
A sizable inventory of electronic components was purchased for [[Hackersmart]], with the goal that the unsold portion thereof would seed HacDC's electronics lab. This has come to pass, and the components are arranged on a pegboard by the soldering desk. This page is to explain what's available, how much it cost, where to get more, and as a place to request additions.
 
This list has not been actively maintained in some time.  We are not able to resell items or run a store because that would require us to collect and pay DC sales tax.  So, think of the parts as office supplies that we have stocked.  If you use something, please donate an appropriate amount to the tip jar.
 
=== Large Parts (Dept 4) ===  
{| border="1"
{| border="1"
! Department !! Stuff
! Item !! Supplier !! our cost !! retail price
|-
|-
| 1 || Canned drinks
| Arduino with Atamega328 || Adafruit || $28 || $35
|-
|-
| 2 || Bottled water
| Boarduino kit w/ USB || Adafruit || $22 || $25
|-
|-
| 3 || Gatorade
| USB TTL-232 Cable || Adafruit || $18 || $23
|-
|-
| 4 || Other drinks/snacks
| Arduino Protoshield Kit || Adafruit || $14 || $15
|-
|-
| 5 || Tipjar into register
| USBtinyISP AVR Programmer || Adafruit || $20 || $25
|-
|-
| 6 || Passives (resistors/caps/LEDs/crystals/inductors)
| XBee Adapter || Adafruit || $10 || $15
|-
|-
| 7 || Wire, battery holders, switches, relays, connectors, sockets
| XBee Module || Adafruit || $23 || $25
|-
| 8 || Protoboards (breadboards), perfboards, clipleads
|-
| 9 || ICs except microcontrollers
|-
| 10 || Microcontrollers and dev kits
|-
| 11 || Specialty (LCDs, sensors, polyfuses)
|-
| 12 || Kits
|-
| 13 || Cables
|-
| 14 || Tools
|-
| 15 || Optical media, flash memory, CF adapters, memory readers
|-
| 16 || Services / misc
|}
|}


=== Current Inventory ===
=== Small Parts ===
{| border="1"
{| border="1"
! Component !! Supplier !! partno !! our cost !! retail price !! department
! Component !! Supplier !! partno !! our cost !! retail price !! [[cash register | department]]
|-
|-
| resistors || Mouser/BG || partno || 1.4c ($2.95 for 200) || 2c || 6
| resistors || Mouser/BG || partno || 1.4c ($2.95 for 200) || 2c || 6
Line 58: Line 46:
| Misc caps (grab box) || Goldmine || G3060 || 1c? || 5c || 6
| Misc caps (grab box) || Goldmine || G3060 || 1c? || 5c || 6
|-
|-
| 35uH inductors || Goldmine || G16521 || 35c || 50c || 6
| 56uH inductors || Goldmine || G16521 || 35c || 50c || 6
|-
|-
| Red/Grn/Yel 3mm LEDs || MPJA || 15101/15102/15103 OP || 2c || 5c || 6
| Red/Grn/Yel 3mm LEDs || MPJA || 15101/15102/15103 OP || 2c || 5c || 6
Line 78: Line 66:
| 4xAA holder || Mouser || 12BH351-R || 0.99 || 1.50? || 7
| 4xAA holder || Mouser || 12BH351-R || 0.99 || 1.50? || 7
|-
|-
| 9V battery snap || MPJA || partno || 0.29 || 0.50 || 7
| 9V battery snap || MPJA || 2600BT || 0.29 || 0.50 || 7
|-
|-
| SPDT pushbutton PCB mount || Goldmine || G14045 || $1/5 || 0.25 || 7
| SPDT pushbutton PCB mount || Goldmine || G14045 || $1/5 || 0.25 || 7
|-
|-
| SPDT pushbutton panel mount || MPJA || partno || 0.29 || 0.50 || 7
| SPDT pushbutton panel mount || MPJA || 5019SW || 0.29 || 0.50 || 7
|-
|-
| DPDT slide || Goldmine || partno || 5/$1 || 0.25 || 7
| DPDT slide || Goldmine || G1827 || 5/$1 || 0.25 || 7
|-
|-
| DPDT 5v relay || All Electronics || RLY-506  || 0.70 || 1.00 || 7
| DPDT 5v relay || All Electronics || RLY-506  || 0.70 || 1.00 || 7
Line 102: Line 90:
| 3.5mm (1/8") stereo jack || Goldmine || GP3 || 50/$2.49 || 0.25 || 7
| 3.5mm (1/8") stereo jack || Goldmine || GP3 || 50/$2.49 || 0.25 || 7
|-
|-
| USB B jack || Mouser || 649-61729-1010BLF || 0.50 || 1.00 | 7
| USB B jack || Mouser || 649-61729-1010BLF || 0.50 || 1.00 || 7
|-
| 8-pin DIP sockets || Digi-Key || 3M5461-ND  || 0.156 || 0.25 || 7
|-
| 14-pin DIP sockets || Digi-Key || 3M5462-ND || 0.13 || 0.25 || 7
|-
| 20-pin DIP sockets || Digi-Key || 3M5465-ND || 0.18 || 0.25 || 7
|-
|-
| DIP sockets || These came in on Q's Digi-Key order...
| 28-pin DIP sockets || Digi-Key || 3M5469-ND || 0.23 || 0.50 || 7
|-
|-
| 0.100" headers || Goldmine || GP6 || 50/$2.49 || 0.25 || 7?
| 0.100" headers || Goldmine || GP6 || 50/$2.49 || 0.25 || 7?
|-
|-
| 830-point breadboard || MPJA || partno || 3.95 in qty 10 || 5.00 || 8
| 830-point breadboard || MPJA || 4443TE || 3.95 in qty 10 || 5.00 || 8
|-
|-
| small perfboard || All Electronics || PC-1 || 0.75 || 1.00 | 8
| small perfboard || All Electronics || PC-1 || 0.75 || 1.00 || 8
|-
|-
| large perfboard || BG Micro || partno || 2.00 || 3.00? || 8
| large perfboard || BG Micro || ACS1052 || 1.95 || 3.00? || 8
|-
|-
| crappy clipleads || Goldmine || partno || 10/$2 || 25c || 8
| crappy clipleads || Goldmine || G1498 || 10/$2 || 25c || 8
|-
|-
| Minigrabbers (yellow) || DealExtreme || sku.8391 || 30/$7.41 || 50c || 8
| Minigrabbers (yellow) || DealExtreme || sku.8391 || 30/$7.41 || 50c || 8
|-
|-
| Micrograbbers (red/black) || DealExtreme || sku.7892 || 20/$6.10 || 50c || 8
| Micrograbbers (red/black) || DealExtreme || sku.7892 || 20/$6.10 || 50c || 8
|-
| 6 amp Triac 400 PIV || RS || 276-1000 || 0.00 || 0.95 || 9
|-
|-
| 7805 regulator || Mouser || 512-LM7805ACT || 0.31 || 0.50 || 9
| 7805 regulator || Mouser || 512-LM7805ACT || 0.31 || 0.50 || 9
Line 125: Line 121:
|-
|-
| 7812 regulator || Mouser || 512-LM7812ACT || 0.31 || 0.50 || 9
| 7812 regulator || Mouser || 512-LM7812ACT || 0.31 || 0.50 || 9
|-
| TL431 adjustible zener regulator || RS || 276-559 || 0.00 || 1.50 || 9
|-
|-
| LM317 adj reg || Mouser || 511-LM317MT || 0.30 || 0.50 || 9
| LM317 adj reg || Mouser || 511-LM317MT || 0.30 || 0.50 || 9
|-
|-
| 1n914/1n4148 diode || Goldmine || partno || 100/$1 || 5c || 9
| 1n914/1n4148 diode || Goldmine || G13807 || 100/$1 || 5c || 9
|-
|-
| 1n4007 diode  || MPJA || partno || 0.07 || 0.10 || 9
| 1n4007 diode  || MPJA || 5217DI || 0.07 || 0.10 || 9
|-
|-
| Zener diodes || BG Micro || partno || 0.12 || 0.25 || 9
| Zener diodes || BG Micro || partno || 0.12 || 0.25 || 9
|-
|-
| 2n3904 NPN transistor || BG Micro || partno || 0.06 || 0.25 || 9
| 2n4891 UJT Transistor || RS || 276-2029 || 0.00 || 7.08 || 9
|-
|-
| 2n3905 PNP transistor || Goldmine || partno || 0.12 || 0.25 || 9
| 2n3904 NPN transistor || BG Micro || TRN2N3904 || 0.06 || 0.25 || 9
|-
| 2n3905 PNP transistor || Goldmine || G43374 || 0.12 || 0.25 || 9
|-
| 2SC945 NPN Transistor || RS || 276-2051 || 0.00 || 0.25 || 9
|-
| ICL7621 Dual Op Amp Low Power || RS || 276-2331 || 0.00 || 1.07 || 9
|-
|-
| LM358 opamp || Mouser || 512-LM358N || 0.25 || 0.50 || 9
| LM358 opamp || Mouser || 512-LM358N || 0.25 || 0.50 || 9
Line 143: Line 147:
|-
|-
| LM393 dual comparator || All Electronics || LM393 || 0.30 || 0.50 || 9
| LM393 dual comparator || All Electronics || LM393 || 0.30 || 0.50 || 9
|-
| LM3915N LED bargraph driver || RS || 276-1708 || 0.00 || 2.50 || 9
|-
|-
| LM555 timer || Mouser || 512-LM555CN || 0.22 || 0.50 || 9
| LM555 timer || Mouser || 512-LM555CN || 0.22 || 0.50 || 9
|-
|-
| ADM202 RS232 transceiver || All Electronics || partno || 0.75 || 1.00 | 9
| ADM202 RS232 transceiver || All Electronics || ADM202EAN  || 0.75 || 1.00 || 9
|-
|-
| 4n33 optoisolator || Mouser || 78-4N33 || 0.32 || 0.50 || 9
| 4n33 optoisolator || Mouser || 78-4N33 || 0.32 || 0.50 || 9
Line 152: Line 158:
| LM386 audio amp || Mouser || 513-NJM#386BD || 0.42 || 0.50 || 9
| LM386 audio amp || Mouser || 513-NJM#386BD || 0.42 || 0.50 || 9
|-
|-
| MC34063 switching power supply controller || Mouser 863-MC34063AP1G || 0.70 || 1.50 || 9
| MC34063 switching power supply controller || Mouser || 863-MC34063AP1G || 0.70 || 1.50 || 9
|-
| 74HCT573 Octal D-type Latch || RS || CD74HCT573E || 0.00 || 0.85 || 9
|-
| 74HCT4020 14 stage binary counter || RS || 74HCT4020N || 0.00 || 1.80 || 9
|-
| 74HCT240 Octal Inverting Buffer || RS || 74HCT240N || 0.00 || 0.68 || 9
|-
| 74HCT273 Octal D Flip Flop || RS || 74HCT273N || 0.00 || 0.66 || 9
|-
| 74HCT393 Dual 4 Bit Binary Counter || RS || 74HCT393E || 0.00 || 0.60 || 9
|-
| 74HCT164 8 Bit Serial In Parallel Out Shift Register || RS || 74HCT164N || 0.00 || 0.55 || 9
|-
| SN74LVC16245A 16 bit bus transceiver || hamfest || SN74LVC16245A || 0.00 || 1.52 || 9
|-
| 74LS244 Octal Noninverting Buffer || RS || SN74LS244N || 0.00 || 0.30 || 9
|-
| 74LS373 octal transparent latch || RS || SN74LS373N || 0.00 || 1.39 || 9
|-
| 4093 CMOS 2 input NAND Schmitt Trigger || RS || CD4093BCN || 0.00 || 0.55 || 9
|-
|-
| AVR microcontrollers || I'm gonna leave this to Elliot or TC || || || || 10
| AVR microcontrollers || I'm gonna leave this to Elliot or TC || || || || 10
|-
|-
| 2x16 LCD no backlight || Goldmine || partno || 2.95 || 5.00 || 11
| ferrite snap beads || All Electronics || FB-80 || 2.50 || 2.00 + shipping || 10
|-
| Hantronix HDM16216H-5-300S 2x16 LCD no backlight || Goldmine || G16717 || 2.95 || 5.00 || 11
|-
|-
| 0.6 amp Polyfuse || Mouser || 576-60R065XU || 0.24 || 0.50 || 11
| 0.6 amp Polyfuse || Mouser || 576-60R065XU || 0.24 || 0.50 || 11
Line 162: Line 190:
| 1.1 amp Polyfuse || Mouser || 576-30R110UU || 0.26 || 0.50 || 11
| 1.1 amp Polyfuse || Mouser || 576-30R110UU || 0.26 || 0.50 || 11
|-
|-
| CF-IDE 44-pin || DealExtreme || sku.10310 || 2.26 || 3.00 || 15
|-
| CF-IDE 40-pin male || DealExtreme || sku.10309 || 2.09 || 3.00 || 15
|-
| CF-IDE 40-pin female || DealExtreme ||sku.2720 || 2.16 || 3.00 || 15
|-
| CF-IDE 40-pin male on bracket || DealExtreme || sku.10311 || 3.52 || 5.00 || 15
|-
| 2.5-to-3.5-inch IDE adapter || DealExtreme || sku.727 || 1.33 || 2.00 || 15
|-
| 2GB CF card || DealExtreme || sku.12352 || 22.12 || 30.00 || 15
|-
| 1GB MicroSD (TransFlash) || DealExtreme || sku.1458 || 5.43 || 7.00 || 15
|-
| 2GB MicroSD (TransFlash) || DealExtreme || sku.2934 || 9.22 || 12.00 || 15
|-
| SDHC-to-USB adapter || DealExtreme || sku.6858 || 2.52 || 3.00 || 15
|-
| All-in-one USB memory reader || DealExtreme || sku.2708 || 4.87 || 5.00 || 15
|-
|}
=== Proposed Additional Inventory ===
{| border="1"
! Component !! Supplier !! partno !! our cost !! retail price !! department || QTY Desired
|-
| IRFZ20 MOSFET || TBD || || || || ||
|-
| H-Bridges || TBD || (SN754410, aka L293) || || || ||
|-
| piezo elements  || TBD || || || || ||
|-
| 22 AWG hookup wire|| TBD || || || || ||
|-
| TBD Light Sensor  || TBD || || || || ||
|-
| TIP102 Transistor || TBD || || || || ||
|-
| USBtinyISP AVR Programmer Kit || adafruit.com || || $22  || || ||
|-
| AVR Programming Adapter || Sparkfun.com|| BOB-08508 || $0.99|| || ||
|-
| Infrared Emitters and Detectors || Sparkfun.com|| SEN-00241 || $1.95|| || ||
|-
| 8-Bit Shift w/Latch || Mouser || 595-SN74HC595N || $0.66|| || ||
|-
| 5.6v Zener Diode || Mouser || 512-1N5232B || $0.06|| || ||
|-
| 10-pin bussed 10K-100K resistor network || Mouser || 266-100K-RC || $0.25|| || ||
|-
| L293D Dual H-Bridge || Mouser || 595-L293DNE|| $2.74|| || ||
|-
| 5-position 5.08 terminal block || Mouser || 538-39880-0303 || $077 || || ||
|-
| 2-position 5.08 terminal block || Mouser || 538-39880-0302 || $0.46 || || ||
|-
| cisco 48V power supplies || http://tinyurl.com/6n4z8b || || $10ea-ish ||  ||  ||
|-
| Darlington array || Mouser || 511-ULN2801A || $0.91  ||  ||  ||
|-
| Opto-Isolator || Mouser || 782-139 || $1.12 ||  ||  ||
|-
| Power Transistor || Mouser || 511-2N3055 || $1.40 || || ||
|-
| 74C CMOS Logic Hex Schmitt Trigger|| Mouser || 512-MM74C14N || $0.72 || || ||
|-
| LED Assortment || Alan Parakh || http://alan-parekh.vstore.ca/product_info.php/cPath/4_8/products_id/31 || $25 || || ||
|-
| IRL3713PBF MOSFET 30V/260A continuous drain current, very low gate voltage || Newark Electronics || http://www.newark.com/  or Mouser 844-IRL3713PBF || $4 || || ||
|}
|}


Line 176: Line 273:
[http://www.goldmine-elec-products.com/ Electronics Goldmine] has a better selection of motors, magnets, and boxes than almost anyone else. They offer "GoldPaks", grab-bags and assortments of surplus (sometimes take-outs) hardware, some of which are so-so deals and some of which are simply jawdropping.  
[http://www.goldmine-elec-products.com/ Electronics Goldmine] has a better selection of motors, magnets, and boxes than almost anyone else. They offer "GoldPaks", grab-bags and assortments of surplus (sometimes take-outs) hardware, some of which are so-so deals and some of which are simply jawdropping.  


[[Category:Ongoing Projects]] [[Category:In the Space]]
[[Category:Materiel]]

Latest revision as of 03:29, 19 January 2013

Information on this page needs to be revised; it may not reflect the current situation or policies at HacDC 


*** See also Suppliers ***


A sizable inventory of electronic components was purchased for Hackersmart, with the goal that the unsold portion thereof would seed HacDC's electronics lab. This has come to pass, and the components are arranged on a pegboard by the soldering desk. This page is to explain what's available, how much it cost, where to get more, and as a place to request additions.

This list has not been actively maintained in some time. We are not able to resell items or run a store because that would require us to collect and pay DC sales tax. So, think of the parts as office supplies that we have stocked. If you use something, please donate an appropriate amount to the tip jar.

Large Parts (Dept 4)

Item Supplier our cost retail price
Arduino with Atamega328 Adafruit $28 $35
Boarduino kit w/ USB Adafruit $22 $25
USB TTL-232 Cable Adafruit $18 $23
Arduino Protoshield Kit Adafruit $14 $15
USBtinyISP AVR Programmer Adafruit $20 $25
XBee Adapter Adafruit $10 $15
XBee Module Adafruit $23 $25

Small Parts

Component Supplier partno our cost retail price department
resistors Mouser/BG partno 1.4c ($2.95 for 200) 2c 6
100-ohm trim pots All Electronics TPK-100 10c 25c 6
100k trim pots All Electronics TP-100k 10c 25c 6
0.1uF 'decoupling' caps Mouser K104K15X7RF53H5 5c 5c 6
4.7uF capacitors Mouser 647-UVR1H4R7MDD1TD 4c 5c 6
47uF capacitors All Electronics 47R10 4c 5c 6
Misc caps (grab box) Goldmine G3060 1c? 5c 6
56uH inductors Goldmine G16521 35c 50c 6
Red/Grn/Yel 3mm LEDs MPJA 15101/15102/15103 OP 2c 5c 6
Red/Grn/Yel 5mm LEDs MPJA 15108/15308/15309 OP 2c 5c 6
Aqua LEDs Goldmine G16645 25c 50c 6
Infrared LEDs supplier partno cost price 6
Ultraviolet LEDs supplier partno cost price 6
12MHz crystal Goldmine G3840 1.50 2.00 6
1xAA holder Mouser 12BH311-GR 0.69 1.00 7
2xAA holder Mouser 12BH321D 0.67 1.00 7
4xAA holder Mouser 12BH351-R 0.99 1.50? 7
9V battery snap MPJA 2600BT 0.29 0.50 7
SPDT pushbutton PCB mount Goldmine G14045 $1/5 0.25 7
SPDT pushbutton panel mount MPJA 5019SW 0.29 0.50 7
DPDT slide Goldmine G1827 5/$1 0.25 7
DPDT 5v relay All Electronics RLY-506 0.70 1.00 7
2.1mm DC power jack supplier partno cost price 7
2.1mm DC power plug All Electronics DCSID 0.50 0.50 7
2.5mm DC power jack All Electronics DCJ-6 0.20 0.25 7
2.5mm DC power plug supplier partno cost price 7
2.5mm (3/32") stereo plug supplier partno cost price 7
3.5mm (1/8") stereo plug supplier partno cost price 7
3.5mm (1/8") stereo jack Goldmine GP3 50/$2.49 0.25 7
USB B jack Mouser 649-61729-1010BLF 0.50 1.00 7
8-pin DIP sockets Digi-Key 3M5461-ND 0.156 0.25 7
14-pin DIP sockets Digi-Key 3M5462-ND 0.13 0.25 7
20-pin DIP sockets Digi-Key 3M5465-ND 0.18 0.25 7
28-pin DIP sockets Digi-Key 3M5469-ND 0.23 0.50 7
0.100" headers Goldmine GP6 50/$2.49 0.25 7?
830-point breadboard MPJA 4443TE 3.95 in qty 10 5.00 8
small perfboard All Electronics PC-1 0.75 1.00 8
large perfboard BG Micro ACS1052 1.95 3.00? 8
crappy clipleads Goldmine G1498 10/$2 25c 8
Minigrabbers (yellow) DealExtreme sku.8391 30/$7.41 50c 8
Micrograbbers (red/black) DealExtreme sku.7892 20/$6.10 50c 8
6 amp Triac 400 PIV RS 276-1000 0.00 0.95 9
7805 regulator Mouser 512-LM7805ACT 0.31 0.50 9
78L05 regulator Mouser 512-LM78L05ACZX 0.18 0.50 9
7812 regulator Mouser 512-LM7812ACT 0.31 0.50 9
TL431 adjustible zener regulator RS 276-559 0.00 1.50 9
LM317 adj reg Mouser 511-LM317MT 0.30 0.50 9
1n914/1n4148 diode Goldmine G13807 100/$1 5c 9
1n4007 diode MPJA 5217DI 0.07 0.10 9
Zener diodes BG Micro partno 0.12 0.25 9
2n4891 UJT Transistor RS 276-2029 0.00 7.08 9
2n3904 NPN transistor BG Micro TRN2N3904 0.06 0.25 9
2n3905 PNP transistor Goldmine G43374 0.12 0.25 9
2SC945 NPN Transistor RS 276-2051 0.00 0.25 9
ICL7621 Dual Op Amp Low Power RS 276-2331 0.00 1.07 9
LM358 opamp Mouser 512-LM358N 0.25 0.50 9
LM1458 dual opamp Mouser 512-LM1458CN 0.33 0.50 9
LM393 dual comparator All Electronics LM393 0.30 0.50 9
LM3915N LED bargraph driver RS 276-1708 0.00 2.50 9
LM555 timer Mouser 512-LM555CN 0.22 0.50 9
ADM202 RS232 transceiver All Electronics ADM202EAN 0.75 1.00 9
4n33 optoisolator Mouser 78-4N33 0.32 0.50 9
LM386 audio amp Mouser 513-NJM#386BD 0.42 0.50 9
MC34063 switching power supply controller Mouser 863-MC34063AP1G 0.70 1.50 9
74HCT573 Octal D-type Latch RS CD74HCT573E 0.00 0.85 9
74HCT4020 14 stage binary counter RS 74HCT4020N 0.00 1.80 9
74HCT240 Octal Inverting Buffer RS 74HCT240N 0.00 0.68 9
74HCT273 Octal D Flip Flop RS 74HCT273N 0.00 0.66 9
74HCT393 Dual 4 Bit Binary Counter RS 74HCT393E 0.00 0.60 9
74HCT164 8 Bit Serial In Parallel Out Shift Register RS 74HCT164N 0.00 0.55 9
SN74LVC16245A 16 bit bus transceiver hamfest SN74LVC16245A 0.00 1.52 9
74LS244 Octal Noninverting Buffer RS SN74LS244N 0.00 0.30 9
74LS373 octal transparent latch RS SN74LS373N 0.00 1.39 9
4093 CMOS 2 input NAND Schmitt Trigger RS CD4093BCN 0.00 0.55 9
AVR microcontrollers I'm gonna leave this to Elliot or TC 10
ferrite snap beads All Electronics FB-80 2.50 2.00 + shipping 10
Hantronix HDM16216H-5-300S 2x16 LCD no backlight Goldmine G16717 2.95 5.00 11
0.6 amp Polyfuse Mouser 576-60R065XU 0.24 0.50 11
1.1 amp Polyfuse Mouser 576-30R110UU 0.26 0.50 11
CF-IDE 44-pin DealExtreme sku.10310 2.26 3.00 15
CF-IDE 40-pin male DealExtreme sku.10309 2.09 3.00 15
CF-IDE 40-pin female DealExtreme sku.2720 2.16 3.00 15
CF-IDE 40-pin male on bracket DealExtreme sku.10311 3.52 5.00 15
2.5-to-3.5-inch IDE adapter DealExtreme sku.727 1.33 2.00 15
2GB CF card DealExtreme sku.12352 22.12 30.00 15
1GB MicroSD (TransFlash) DealExtreme sku.1458 5.43 7.00 15
2GB MicroSD (TransFlash) DealExtreme sku.2934 9.22 12.00 15
SDHC-to-USB adapter DealExtreme sku.6858 2.52 3.00 15
All-in-one USB memory reader DealExtreme sku.2708 4.87 5.00 15

Proposed Additional Inventory

Component Supplier partno our cost retail price department QTY Desired
IRFZ20 MOSFET TBD
H-Bridges TBD (SN754410, aka L293)
piezo elements TBD
22 AWG hookup wire TBD
TBD Light Sensor TBD
TIP102 Transistor TBD
USBtinyISP AVR Programmer Kit adafruit.com $22
AVR Programming Adapter Sparkfun.com BOB-08508 $0.99
Infrared Emitters and Detectors Sparkfun.com SEN-00241 $1.95
8-Bit Shift w/Latch Mouser 595-SN74HC595N $0.66
5.6v Zener Diode Mouser 512-1N5232B $0.06
10-pin bussed 10K-100K resistor network Mouser 266-100K-RC $0.25
L293D Dual H-Bridge Mouser 595-L293DNE $2.74
5-position 5.08 terminal block Mouser 538-39880-0303 $077
2-position 5.08 terminal block Mouser 538-39880-0302 $0.46
cisco 48V power supplies http://tinyurl.com/6n4z8b $10ea-ish
Darlington array Mouser 511-ULN2801A $0.91
Opto-Isolator Mouser 782-139 $1.12
Power Transistor Mouser 511-2N3055 $1.40
74C CMOS Logic Hex Schmitt Trigger Mouser 512-MM74C14N $0.72
LED Assortment Alan Parakh http://alan-parekh.vstore.ca/product_info.php/cPath/4_8/products_id/31 $25
IRL3713PBF MOSFET 30V/260A continuous drain current, very low gate voltage Newark Electronics http://www.newark.com/ or Mouser 844-IRL3713PBF $4

Suppliers:

Mouser and Digi-Key are the "big guns" of the hobbyist and small professional electronics market, with breathtaking inventories, fast order fulfillment, and sophisticated websites. Digi-Key adds a handling fee to orders under $25.

Marlin P. Jones & Associates is a smaller web retailer specializing in power supplies, but with a fair assortment of other stuff too. Their prices on breadboards are hard to beat. (Thanks Jon for that tip!)

All Electronics has been in the surplus electronics game for a long time, with a small newsprint catalog that's a staple in many geeks' bathrooms. As with any surplus dealer, their inventory is constantly in flux, and sometimes they have really amazing deals.

B.G. Micro (known pre-9/11 as "The Electronics Mecca", now calls itself "The Electronics Supplier") is a small mostly-surplus dealer whose bright yellow catalog offers Texas humor mixed with eyestrain. Their shopping cart software is chaotic evil, but they have great prices, particularly on industrial stuff like thermal fuses and zener diodes.

Electronics Goldmine has a better selection of motors, magnets, and boxes than almost anyone else. They offer "GoldPaks", grab-bags and assortments of surplus (sometimes take-outs) hardware, some of which are so-so deals and some of which are simply jawdropping.

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