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Current Specials  Unique assembly consists of a 9 1/4" x 6" metal platform with a Buehler 6 to 12VDC gear motor with encoder attached to a metal bracket. The shaft of the gear motor has a 120mm long screw assembly with plastic anti-backlash friction nut attached to it. The top of the plastic anti-backlash friction nut is a bracket that moves forward or reverse. The motor has an encoder attached which has an input requirement of 5V and an output signal that is TTL compatible with 50 pulses per rev. >>MORE INFO G16478 SALE! $19.95 ea. |
 Compact gearhead motor by Buehler part # 1.61.046.514.01 features speeds of 225RPM at 12VDC and 450RPM at 24VDC. Requires about 0.08Amp (No Load) and features high torque. Small size, only about 2.53"L x 1.38"Dia. Has two flexible color coded leads for power hookup. Shaft is 0.89L (22mm) x 5mm diameter "D" type. Has three tapped holes on top faceplate for mounting. To reverse direction, just reverse voltage polarity to leads. Removed from equipment -good condition.>>MORE INFO G16476 SALE! $14.95 ea. |
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 Nice quality motor from Buehler features a 4mm dia x 1.9”L (extra long) shaft. Body is 1.57” dia x 3.1”L. RPM at 12VDC is about 2280 and at 24VDC it is about 4720 RPM. Has threaded holes on faceplate for mounting. These are used and are in excellent condition.>>MORE INFO G16606 SALE! $6.95 ea. |
 Powerful motor type 403A185 by TRW Globe is rated 24VDC 165mA, 5500rpm-NO LOAD. Stall torque 15oz. -in at 3Amps. Armature resistance 8.3ohm. Body size is 1 1/2"Dia. x 2 5/8"L. Shaft is 5/16"L x .156"Dia. "D" type. Has 4 tapped holes on face of motor for mounting.>>MORE INFO G15906 SALE! $3.95 ea. |
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 Assortment containing 3 different small DC motors. Handy for selecting the right motor for a small robot or motorized project. All new and prime, one may have gear attached. Picture is for illustration only-styles may vary. Assortment of 3 motors.>>MORE INFO G6622 SALE! $1.49/Pkg of 3 |
 Small 0.94" Dia. x 1.21"L Johnson motor operates from 6VDC up to 24VDC and features a 0.08" Dia. x 0.40"L shaft. has 2 color coded flexible 1.5"L leads with "push on" quick connect terminals. Brand new! Manufactured by Johnson.>>MORE INFO G14072 SALE! $0.49 ea. |
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 These use a 1.61.046.520.01 gearhead motor made by Buehler. The assembly has a 4 7/8" plastic reciprocating arm and a photo sensor on a notched wheel. Strokes are about 112 at 6VDC and 225 at 12VDC. Movement of stroke is almost 1". Size of assembly 9 3/8"L x 6"W. These were removed from equipment -good condition. >>MORE INFO G16827 SALE! $19.95 ea. |
 Heavy Duty gearhead motor by Merkle-Korff features operation from 6VDC to 24VDC. At 6V rpm is 150, 12VDC rpm is 300 and at 24VDC rpm is 600. Current draw unloaded at 12VDC is .180Amp. Size about 4"L x 2"Dia. Shaft is .8"L x .25"Dia "D" type. These have 2 flexible wire leads. Removed from equipment -good condition. >>MORE INFO G16819 SALE! $9.95 ea. |
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 Heavy duty motor can operate from 3V up to 14VDC. Has sleeve bearing, 10:1 gearhead and features a speed of 350RPM at 14VDC. To reverse direction of shaft, just reverse voltage polarity to red and black leads. The motor is also a brushless AC generator capable of an output of 6VAC. Size about 3 1/4"L x 2"Dia. Shaft is 1"L x 1/4"Dia. "D" type. Has two tapped holes on top faceplate to mount motor.>>MORE INFO G16477 SALE! $7.95 ea. |
 Nice high power (for its size) DC motor operates from 6V up to 18VDC. Features a body size of 1.84"L x 1.16" Dia. Has shaft that extends from each end of motor. On one end it is 0.2"L x 0.09" Dia.(2.3mm) and other end has an 8 tooth 0.23" Dia. (5.85mm) gear. Made by Igarashi. Has solder eyelets for power and 2 threaded mounting holes on front. Great for building robots.>>MORE INFO G14727 SALE! $0.99 ea. |
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 2 phase bi-polar / Quadrature miniature stepper motor. Small 0.8" diameter x 0.68" thick stepper motor features a knurled 0.3"L x 0.06" diameter shaft. Has 5 leads. The stepper motor features 20 steps per revolution and is perfect for miniature robots. The stepper motor is brand new precision made with 4 pin female connector on end of 2.8"L leads. Motor and schematic only (no driver components).>>MORE INFO G14197 SALE! $1.49 ea. |
 Made by Nakimi, this micro size pager motor was designed to provide the vibrate function on miniature pagers. Its size is only 4mm (.16") Dia. x 12.5mm (.49") long (excluding shaft and weight). Has 2 tiny terminals for hookup and is mounted in a slip-off rubber shock sleeve. Operates from 1VDC up to 5VDC. Motor resistance is about 11ohms. Brand new. Manufactured by Nakimi.>>MORE INFO G12809 SALE! $1.29 ea. |
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 Sealed case gear motor was made for automotive applications. Operates on 12VDC and features .52"Dia. x .5"L shaft with 8 spines (or ridges). The shaft rotates at approximately 5RPM and has very high torque. Unloaded current draw is 20mA at 12VDC. Overall size including mounting ears about 4.2" x 3.2" x 1.1"Thick (without shaft). >>MORE INFO G16034 SALE! $5.95 ea. |
 Compact metal case gearhead motor features very high torque and 0.87" dia. 26 tooth gear on end. Can operate on as low as 3VDC. We measured 72PRM at 12VDC. Size about 2.3"L x 1.58". Has 2 solder eyelets for power. To reverse direction, simply reverse polarity.
This has a large plastic protective cover underneath the gear as shown in picture. >>MORE INFO G14728 SALE! $3.99 ea. |
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 Heavy Duty Precision 12VDC Motor with Pulley and Sinusoidal Encoder Output. Nice precision made heavy duty motor by Buehler features yellow 2 wire sinusoidal encoder output. The red and blue wires are used for DC in and can be connected to 3VDC up to 18VDC. Size of Motor: 2.2"L x 1.33" dia. Size of Pulley about .39" in overall dia x .25" Wide. New.>>MORE INFO G14783 SALE! $1.99 ea. |
 This motor has a greater than normal torque for its small size. Operates from 3VDC up to 12VDC and produces a nice amount of torque at 6VDC (rpm=1700). No load current at 6VDC is about 0.250 Amp. Loaded it is about 1 Amp. Size 1.7"L x 1.18" Dia. Has 0.5"L x 0.09" Dia. shaft. With solder eyelets for power hookup. Great for robotic applications!>>MORE INFO G13775 SALE! $1.29 ea. |
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 These were made for a CD drive and are brand new. They consist of a small 1" diameter motor and 3 gears, one with a black plastic tach disk. The disk has slots that operate in conjunction with a tiny opto interrupter that was to provide speed info to the CD control circuitry. This motor will operate from 1.5VDC up to 12VDC. Useful as a direct drive wheel for making a small robot. Has 2 mounting holes. Size about 2.2" L x .7" thick x 1.1" high.>>MORE INFO G12770 SALE! $2.95 ea. |
 Here's a retail blister card which contains 4 rubber tires, 4 chrome wheels, 1 small DC motor, 4 screws and 4 spacers. This is a robot builders dream come true. The small, high RPM motor can operate from 1.5VDC up to 6VDC and with a little imagination you should be able to use these parts as the basic building block for a robot. Originally, they were designed as a "tune up" parts set for small toy race cars. Brand new in blister pack. >>MORE INFO G9816 SALE! $0.99 ea. |
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 Compact miniature vibrating pager motor operates from .5V to 3VDC. Has removable blue insulating boot. Size about .4"L x .2"sq excluding shaft with "D" shaped metal weight. Has 2 tabs for power hookup.>>MORE INFO G16777 SALE! $0.79 ea. |
 Precision made mini cassette assembly is the perfect Robot builder's source for various small gears, springs, pulleys, drive belts and even a small efficient super quiet 1.5V to 7VDC motor (Dia=1"). >>MORE INFO G4586 SALE! $1.99 ea. |
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 Metal assembly consists of a rotating 3/4" gear that can rotate in one direction but is prevented by a plastic cog mechanism from rotating in a reverse direction until power is applied to the solenoid. Operates on 24VDC. Metal bracket is about 3.6" x 1.6" x 2.1". >>MORE INFO G16327 SALE! $1.99 ea. |
 Solen 121K13261 solenoid operates from 12 to 24VDC. At 24VDC the plunger pulls in .9", at 12VDC it pulls in .6". Size of plunger 2.1"L x .475" Dia. Size of solenoid body is 1.1" x 1.2" x 2.15"L. Has flexible leads and 2 pin connector with male pins.>>MORE INFO G16940 SALE! $2.50 ea. |
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 Solen 121E18711 large tubular solenoid panel mounts in a .75" Dia. hole. Features a .44" Dia x 2.4"L plunger with slot and hole on one end. Operates on 9VDC up to 24VDC. Has flexible wire leads terminating in a standard 2 pin male connector.>>MORE INFO G16829 SALE! $1.99 ea. |
 Nice quality 12VDC solenoid features a 62Ω coil and a 1.75"L x .31" Dia slotted plunger with keeper pin to attach a spring if you have one. Size of body is .85" x 1" x 1.75"L. Plunger can pull in .5" at 6VDC and will pull in .8" at 12VDC. Has flexible insulated wire leads.>>MORE INFO G16939 SALE! $1.99 ea. |
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 These are brand new reliable "call" switches that you would typically see attached or near a hospital bed to allow the patient to call a nurse. The switch features N.O. contacts that close as long as the button is pressed. Super flexible 6 ft cord has a shield and 2 internal common wires (red and black) that make contact with an internal white wire when the button is pushed. Wire end has no plug connected to it. Brand new. >>MORE INFO G16729 SALE! $1.49 ea. |
 Nifty timer module is fully adjustable with on times from 75 seconds up to 4 hours. This heavy duty module is 1" square x 0.08"H and is the same type found in many industrial machines, washers, dryers, etc. To use it, you must connect up a momentary pushbutton switch, a 1.5meg pot and a line cord. You then just connect up a 115VAC load up to 1Amp (115Watts) to it. New, made by Syracuse Electronics part# SBPA 8B2373. Has 6 spade lugs for connection. >>MORE INFO G16271 SALE! $2.49 ea. |
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 Right angle PC mount DB-9 male connector made by Holmberg electronics. Part# is H5MO9RA29CS. Brand new - high quality.>>MORE INFO G15844 SALE! $0.69 ea. |
 PC board mounting 4 Position quick connect wire block accommodates wire up to 16 gauge. Has screws on top locking wire in and 4 PC pins on bottom to solder block to PC board. >>MORE INFO G16830 SALE! $0.79 ea. |
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 Useful 12 pin female header can accommodate 2 pin up to 12 pin male headers. Has standard PC socket pins for mounting to PC board. Size about 1.2"L x .175"W x .2"H. >>MORE INFO G16848 SALE! $0.49 ea. |
 Female 25 pin machine pin socket for all making your own custom component sockets. Note: the female sockets are very small in diameter. Size about 2.5"L x .18"W x .35"H. >>MORE INFO G16839 SALE! $1.00 ea. |
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 Male header features 14 standard pins on .1" centers that can be cut apart to make smaller male headers. >>MORE INFO G16986 SALE! $0.49 ea. |
 Large ferrite bead is 1.12" Tall x 0.57"outer diameter x 0.25" inner diameter. Great for use in reducing RF emissions.>>MORE INFO G16324 SALE! $0.99 ea. |
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 Aluminized first surface mirrors have minimum energy loss. Float glass substate, 4-6 waves per inch first surface mirror by Edmund Industrial Optics type 32-945 is 25mm in dia. Surface quality is 60-40 and circular edges are ground. >>MORE INFO G16332 SALE! $0.99 ea. |
 NEC EPIF-V8VF relay for automotive use has a 12VDC coil and SPDT contacts rated 25Amps@16VDC. Coil resistance is 225Ω. Size is .56" x .62" x .61"Tall. Has 5 PC pins on bottom and fully enclosed sealed dust cover. >>MORE INFO G16771 SALE! $1.25 ea. |
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 Omron G6AU-234P-ST-US 12VDC DPDT latching type relay features AgPd+Au-Clad contacts rated 1Amp 30VDC. Coil Resistance 720ohm and current is 16.7mA. Size about .79"L x .39"W x .32"Tall. Fully enclosed dust cover. Has 8 PC pins for hookup. These are worth over $14.00 each. >>MORE INFO G16845 SALE! $1.99 ea. |
 Miniature Potter and Brumfield 12VDC SPDT Relay - Small fully enclosed relay features SPDT 1Amp 24VDC or .5Amp 120VAC contacts. Features operation from 12VDC. Coil resistance about 680 ohms. Size 15mm (L) x 11mm(W) x 10.5mm(H). Type T81H5D312-12. Prime-high quality!>>MORE INFO G1934 SALE! $0.99 ea. |
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 This unique relay consists of two 225 ohm coils and two sets of contacts. Each coil operates on 6VDC. Depending on which coil is operated different relay contacts operate. Size of this relay is about .62" x .94" x .61"H. Made for PC board mounting. Fully enclosed case.>>MORE INFO G14951 SALE! $0.49 ea. |
 Metal Case enclosed polarized reed relay features SPDT contacts rated 1Amp @ 110VAC. Contacts are gold cobalt. Coil operates from 5VDC and has a resistance of 250Ω. Size of relay is .78"L x .39"W x .33"H. Has 6 pins on bottom. Type DR-5V-H29 by AROMAT. Worth over $13 each.>>MORE INFO G16294 SALE! $1.49 ea. |
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 Made by Matsushita, this relay features a 12VDC coil SPST 15Amp contacts that close when relay is energized. Coil resistance is 225 ohms. Size .866"L x .630"W x .646"H. Part # JSM1A-12V-5.>>MORE INFO G15668 SALE! $0.69 ea. |
 These optical tilt switches made by SOLICO. They consist of an IR LED, photo transistor and stainless steel ball all enclosed in a black glass filled polyamide housing. Has 4 PC leads. LED operates on 1.2VDC. >>MORE INFO G16881 SALE! $1.49 ea. |
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 These optical tilt switches made by SOLICO. They consist of an IR LED, photo transistor and stainless steel ball all enclosed in a black glass filled polyamide housing. Provides a safe alternative to mercury switches. Has 4 PC leads. LED operates on 1.2VDC. Size about .55"L x .31"W x .42"Tall. >>MORE INFO G16877 SALE! $1.49 ea. |
 These optical tilt switches made by SOLICO. They consist of an IR LED, photo transistor and stainless steel ball all enclosed in a black glass filled polyamide housing. Provides a safe alternative to mercury switches. Has 4 PC leads. LED operates on 1.2VDC. Size about .55"L x .31"W x .42"Tall. >>MORE INFO G16882 SALE! $1.49 ea. |
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 Each assortment contains at least 7 different CDS cells. All have full length leads. Great for designing all types of robot projects, light sensitive alarms/switches, etc. Package of 20.>>MORE INFO G14025 SALE! $2.49 ea. |
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 Consists of a infrared LED and an NPN phototransistor all mounted in an opaque black plastic case with 2 tiny holes in the front end. >>MORE INFO G8669 SALE! $0.99 ea. |
 Giant light sensitive 1" Diameter CDS cell with dark resistance in megohms and light resistance less than 1Kohm. Prime! >>MORE INFO G1296 SALE! $0.69 ea. |
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 Tiny IR receiver for remote control/robotic applications features separate PIN diode and preamplifier IC assembled on a single leadframe with a built in special IR filter. Type MIM 5383H4 is a 38.0 KHz module which operated from 5VDC@2mA. Size .23"W x .31" (excluding pins). T>>MORE INFO G16737 SALE! $0.99 ea. |
 Features a shaft rotation angle: 360° (endless), output resolution of 15 pulse/360°, detent points 30 (each detent angle 12° ± 3°), rating DC 10V @ 1mA (each bit), contact resistance between terminals 1ohm max, and insulation resistance 50 megohm minimum at 250VDC between all terminals and shaft. >>MORE INFO G16267 SALE! $0.99 ea. |
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 Tiny panel mount SPDT toggle switch is rated 3Amp@250VAC. Features chrome bat handle with red insulated removable boot. Complete with panel mounting nut and hardware.>>MORE INFO G16751 SALE! $0.99 ea. |
 Standard panel mount toggle switch with "on/off" plate. Has SPST contacts rated 6Amp@125VAC. Has 4.5"L insulated wires for hookup. Complete with panel mounting nut.>>MORE INFO G16812 SALE! $0.99 ea. |
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 Super quality pushbutton switch by Multimec of Denmark. This features a contact that closes at the .4"L x .25"Dia black pushbutton is pressed. When you release the button the switch contacts open again. Has PC leads. Size of switch body is .42"sq x .22"Tall. >>MORE INFO G16901 SALE! $0.49 ea. |
 We have never seen such a tiny SPDT lever action switch. It is made for right angle PC board mounting with 3 pins on .1" centers. Size of switch body is only .3" x .2" x .1" (excluding tiny metal lever). Perfect for use in robots and miniature circuitry. Made by Panasonic.>>MORE INFO G16909 SALE! $0.49 ea. |
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 Nice quality panel mounting pushbutton switch features SPDT contacts rated 6Amp@125 VAC. Momentary action type. Size about 0.52"L x 0.33"W (body) x 1" Long from bushing to end of body. M>>MORE INFO G14077 SALE! $0.49 ea. |
 Size - 5/16" x 3/16" Mount - PC Contacts - SPDT Has Spring Return. Made in USA by C&K. Type T107.>>MORE INFO G7060 SALE! $0.69 ea. |
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 Very high quality keylock switch made by C&K for Zenith cable boxes, features compact design and quality reliable construction. Size only 1" length excluding terminals, mounts in a 3/4" dia hole. Each brass key is unique (not like cheaper lock switches) so if you buy five locks each one will have its own key which will not operate another lock. Key can only be removed in one position. These are brand new but we are selling them at a blowout price because we do not have panel mounting nut. >>MORE INFO G1779 SALE! $1.39 ea. |
 Type A126 rotary keylock switch features 3 pole, 3 position rotary switch operated by a key. Key can be removed in positions 1 and 3 but not in position 2. Comes with panel mounting nut and bezel. Contacts rated 2.5amps @ 120VAC switching or 5 amps continuous carry. Silver plated contacts and terminals (may have slight tarnish on terminals). High quality, precision made. Each comes with hardware and 2 keys. Worth $13 each! Manufactured by C & K.>>MORE INFO G8081 SALE! $1.49 ea. |
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 Part # PWG0050 by Lambda features Regulated +5VDC at 7amps and +3.3VDC at 10amps output. Open frame switching supply with .156" headers for output and input. >>MORE INFO G12705 SALE! $8.95 ea. |
 Glass passivated bridge rectifier type GBPC1206W is rated 600V @ 12Amp. Black epoxy case is 1.12"sq. x .3"H. Has long leads and hole in center for mounting.>>MORE INFO G16632 SALE! $1.49 ea. |
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 Type HND 14-0024-00 rated 3.7V 850mAh. Features tiny connector and peel & stick mounting. Size only 2"L x 1.33"W x .21"Thick. Brand new and sold elsewhere online for $49.00! For Treo 270 and Treo 300 series. Manufactured by Handspring.>>MORE INFO G15693 SALE! $2.99 ea. |
 Long life rechargeable nickel metal hydride battery made for 9V applications is rated 7.2V @ 150mAh. These are new, made by GP® type 15F7H, and can be recharged over and over again. We find they work great in many of the 9V battery powered items we use here at the Goldmine!>>MORE INFO G16250 SALE! $1.39 ea. |
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 Compact 6" x 12" glass solar panel is perfect for powering hundreds of electronic devices and recharging 12VDC rechargeable batteries. Includes a piece of solder, a diode and two metal tabs that you solder to the panel. Minimum output is 15VDC open circuit voltage and 0.150Amp short circuit current. >>MORE INFO G16390 SALE! $9.95 ea. |
 This 2.4"sq. x 0.08" glass solar panel is made with a thin film of Copper Indium di Selenide (CIS). They have two metal ribbons already attached for hookup. The output is about 3.6VDC open circuit voltage and 70mA short circuit current. >>MORE INFO G16394 SALE! $2.99 ea. |
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 Miniature panel mounting linear taper 500KΩ potentiometer with switch that has SPST contacts rated 3Amp at 125VAC. Mounts in a .4" hole and comes complete with panel mounting nut. Has .5"L split type 1/4" Dia knurled shaft for knob.>>MORE INFO G16768 SALE! $0.99 ea. |
 Tiny 12 turn Model 3266 trimmer is only 7mm x 6.8mm x 4.4mm and features PC mounting with top adjustment slot. Rated .25watt at 70 degrees. Low temperature coefficient of +/-100 PPM / degree C. >>MORE INFO G13410 SALE! $1.00 ea. |
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 Assortment of sandstone power resistors with ratings up to 20Watts. Various lead styles and values. Each resistor is brand new and has its value marked on it. 10 resistors in assortment. Blowout Price!>>MORE INFO G16188 SALE! $1.49 ea. |
 Arcotronics MKP C.4G 1µF 400V film capacitor is 1.23"L (excluding axial leads) x .43"Dia. This capacitor works great in strobe circuits.>>MORE INFO G16793 SALE! $0.79 ea. |
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 Compact 47µF 450V radial electrolytic capacitor is rated for 105ºC. Size only 1"Tall x .72" Dia. Has full length leads on .3" centers. >>MORE INFO G16918 SALE! $0.59 ea. |
 Radial Electrolytic capacitor with full length leads is rated 4700µF @ 16VDC. Temp range is 105ºC and size is 1.4"Tall x .64" Dia. >>MORE INFO G16798 SALE! $0.39 ea. |
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 Small super capacitor is rated 0.022 Farad (22,000uF) at 5.5VDC. Size only 0.45"Dia. x 0.30"Tall. Has green vinyl sleeve. Great for beam robots.>>MORE INFO G16277 SALE! $0.89 ea. |
 This is probably the most compact 470uF 200V@105 Degrees C "snap in" capacitor we have seen. It is only 1.02" High x 1.19" dia. Leads are on .4" centers. >>MORE INFO G14760 SALE! $0.69 ea. |
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 Super Power Strobe Photoflash Capacitor 100uF 330V. Compact photoflash capacitor is only 1.54"L x .45"Dia. Has long radial leads.>>MORE INFO G14806 SALE! $0.79 ea. |
 Designed for tiny strobe lights this small inverter transformer converts 3VDC into 200VAC when used with a simple 2 transistor circuit. Size only .4" square x .35" H. Has 4 pins. Complete with schematic of a simple strobe using this transformer.>>MORE INFO G13599 SALE! $2.99 ea. |
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 This high voltage ferrite core inverter transformer was made for powering a large strobe tube. We know that it has 4 active leads. One of the secondary leads is the flexible lead shown. The transformer has 10 pins on the bottom but only 3 of them are active. >>MORE INFO G16821 SALE! $2.49 ea. |
 This was made to be part of a fake doomsday device. After activation by pressing the small metal activation lever a loud tone and 2 red LEDs go on for a second then off for a second. The pattern repeats itself for about 5 seconds then the device shuts off and waits to be re-activated again. Size about 3" x 2.4". >>MORE INFO G16906 SALE! $0.99 ea. |
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 1 x 24 Character LCD Display Module WDC2401P-1GNNa. Compact display module by Wintek features build in driver IC. Has 14 pin male header with pins on .05" spacing. Size about 4 1/4" x 3/4". Brand new - Nice quality.>>MORE INFO G15318 SALE! $1.49 ea. |
 Giant peel and stick foam pad features adhesive and peel off film on both sides. This is 12" x 14 1/2" x .07"Thick. Off white color. Great for mounting applications.>>MORE INFO G16753 SALE! $0.99 ea. |
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 Brand new projection lensess. The overall size of the top optical part of the lens is about 3 1/2" Dia., however the plastic base holder assembly is over 5" in Dia. and about 2 1/2" high. >>MORE INFO G1596 SALE! $4.95 ea. |