HW-1AA -- AA battery holder (single) -- US$1.59
Single AA battery (1.5V) holder.
HW-4AAA -- AAA battery holder (four) -- US$1.95
4 pcs AAA battery (6V) holder.
HW-2AA -- AA battery holder (Two) -- US$2.50
2 pcs AA battery (3V) holder with power on/off switch and case.
HW-3AA -- AA battery holder (Three) -- US$3.00
3 pcs AA battery (4.5V) holder with power on/off switch and case.
HW-4AA-A -- AA battery holder (Four) -- US$3.00
4 pcs AA battery (6V) holder with removable case.
HW-4AA-B -- AA battery holder (Four) -- US$3.50
4 pcs AA battery (6V) holder with power on/off switch and case.
HW-8AA-1 -- AA battery holder (Eight) -- US$3.00
 
8 pcs AA battery (12V) holder.
HW-8AA-2 -- AA battery holder (Eight) -- US$3.95
8 pcs AA battery (12V) holder with on/off switch.
HW-9V-- 9V battery clip -- US$2.00
9V battery clip.
HW-4-Breadboard -- US$2.85
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4-point connections breadboard. It can be screwed in a fixed location. Great for BEAM robots. Length x Width : 3cm x 1cm
HW-6-Breadboard -- US$3.25
6-point connections breadboard. It can be screwed in a fixed location. Great for BEAM robots. Length x Width : 5cm x 1cm
HW-10-Breadboard -- US$4.25
10-point connections breadboard. It can be screwed in a fixed location. Great for BEAM robots. Length x Width : 5.4cm x 2.5cm
HW-20-Breadboard -- US$4.95
20-point connections breadboard. It can be screwed in a fixed location. Great for BEAM robots. Length x Width : 9.3cm x 2.5cm
HW-MOTOR-MOUNT-A -- US$1.95
 
Motor mount for a motor with diameter between 1.3cm to 1.7cm. The mounting kit includes:
Steel motor mount (Length:5.3cm Width:1.6cm, Screw hole diameter:4mm) x 1
Brass screws with nuts and spring washer x 2 sets
Rubber motor vibration absorber x 1 set
HW-MOTOR-MOUNT-B -- US$2.50
 
Motor mount for a motor with diameter between 1.8cm to 2.4cm. The mounting kit includes:
Steel motor mount (Length:5.3cm Width:2cm, Screw hole diameter:5mm) x 1
Brass screws with nuts and spring washer x 2 sets
Rubber motor vibration absorber x 1 set
HW-MOTOR-MOUNT-C -- US$2.95
 
Motor mount for a motor with diameter between 3cm to 3.5cm. The mounting kit includes:
Steel motor mount (Length:7cm Width:2cm, Screw hole diameter:5mm) x 1
Brass screws with nuts and spring washer x 2 sets
Rubber motor vibration absorber x 1 set
HW-MOTOR-MOUNT-D -- US$3.50
 
Motor mount for a motor with diameter between 3.9cm to 4.2cm. The mounting kit includes:
Steel motor mount (Length:9cm Width:2cm, Screw hole diameter:7mm) x 1
Brass screws with nuts and spring washer x 2 sets
Rubber motor vibration absorber x 1 set
HW-MAGNET-A -- US$1.50
A magnet with a diemension 6mm(L) x 4mm(W) x 3mm(H). It can be used four our hall effect sensor.
HW-40MM-SPACER -- US$1.50
 
Brass 40mm spacer with screws. It is ready to be part of your robot chase.
HW-METAL-L -- US$1.95
 
L shape steel with 8cm (L) x 8cm (L) and 4mm screw holes. The width is 1.6mm. It is ready to be part of your robot chase.
HW-METAL-T -- US$1.95
T shape steel with 8cm (L) x 8cm (L) and 4mm screw holes. The width is 1.6mm. It is ready to be part of your robot chase.
HW-METAL-V -- US$1.95
 
V shape steel with 2.7cm (L) x 2.7cm (L) and 3mm screw holes. The width is 1.3mm. It is ready to be part of your robot chase.
HW-ALUMINUM-BASE-A -- Aluminum robot base (W115xD173xH80)mm-- US$19.95
HW-ALUMINUM-BASE-B -- Aluminum robot base (W135xD194xH90)mm -- US$26.95
 
 
This is a high quality aluminum platform which you can make a mobile robot platform. The thickness of the aluminum is 1.0mm. By drilling holes, mounting gearhead motors or servo with wheels, the robot "brain" and sensors, the aluminum mobile robot base is ready to go. HW-ALUMINUM-BASE-A has a size W115mm x D173mm x H80mm while HW-ALUMINUM-BASE-B has a size W135mm x D194mm x H90mm. The base comes with screws.
HW-ALUMINUM-BASE-C -- Aluminum robot base (W103xD127xH77)mm-- US$16.95
 
This is a high quality aluminum platform which you can make a mobile robot platform. The thickness of the aluminum is 1.0mm. By drilling holes, mounting gearhead motors or servo with wheels, the robot "brain" and sensors, the aluminum mobile robot base is ready to go. It has a size W103mm x D127mm x H77mm. The base comes with screws.
HW-COOLING-FAN-A --5V 2.5cm cooling fan-- US$16.95
 
Voltage:DC 5V
Current: 0.05A
Diameter: 2.5cm
Thickness: 10mm
Weight: 7g
This is a hard-to-find micro cooling fan. The fan is good for motor and robot cooling purposes, and also for blowing the candle in robot fire fighter competition. The fan comes with 4 pcs of nylon mounting wire.
HW-COOLING-FAN-B --5V 3.5cm cooling fan-- US$16.95
Voltage:DC 5V
Current: 0.05A
Diameter: 3.5cm
Thickness: 10mm
Weight: 9g
This is a hard-to-find micro cooling fan. The fan is good for motor and robot cooling purposes, and also for blowing the candle in robot fire fighter competition. The fan comes with 4 pcs of nylon mounting wire.
HW-COOLING-FAN-C --12V 4cm cooling fan-- US$9.95
Voltage:DC 12V
Current: 0.07A
Diameter: 4cm
Thickness: 20mm
Weight: 24g
This is a hard-to-find micro cooling fan. The fan is good for motor and robot cooling purposes, and also for blowing the candle in robot fire fighter competition. The fan comes with 4 pcs of nylon mounting wire.
HW-COOLING-FAN-D --12V 4cm cooling fan-- US$9.95
Voltage:DC 12V
Current: 0.07A
Diameter: 4cm
Thickness: 10mm
Weight: 16g
This is a hard-to-find micro cooling fan. The fan is good for motor and robot cooling purposes, and also for blowing the candle in robot fire fighter competition. The fan comes with 4 pcs of nylon mounting wire.
HW-COOLING-FAN-E --12V 5cm cooling fan-- US$9.95
Voltage:DC 12V
Current: 0.075A
Diameter: 5cm
Thickness: 10mm
Weight: 21g
This is a hard-to-find micro cooling fan. The fan is good for motor and robot cooling purposes, and also for blowing the candle in robot fire fighter competition. The fan comes with 4 pcs of nylon mounting wire.
HW-COOLING-FAN-F --12V 7cm cooling fan-- US$10.95
Voltage:DC 12V
Current: 0.075A
Diameter: 7cm
Thickness: 15mm
Weight: 42g
The fan is good for motor and robot cooling purposes, and also for blowing the candle in robot fire fighter competition. The fan comes with 4 pcs of nylon mounting wire.
HW-COOLING-FAN-G --12V 8cm cooling fan-- US$10.95
Voltage:DC 12V
Current: 0.1A
Diameter: 8cm
Thickness: 25mm
Weight: 69g
The fan is good for motor and robot cooling purposes, and also for blowing the candle in robot fire fighter competition. The fan comes with 4 pcs of nylon mounting wire.
HW-COOLING-FAN-H --12V 6cm cooling fan-- US$10.95
Voltage:DC 12V
Current: 0.5A
Diameter: 6cm
Thickness: 20mm
Weight: 51g
The fan is good for motor and robot cooling purposes, and also for blowing the candle in robot fire fighter competition. The fan comes with 4 pcs of nylon mounting wire.
HW-COOLING-FAN-I --12V 6cm cooling fan-- US$10.95
Voltage:DC 12V
Current: 0.18A
Diameter: 6cm
Thickness: 10mm
Weight: 27g
The fan is good for motor and robot cooling purposes, and also for blowing the candle in robot fire fighter competition. The fan comes with 4 pcs of nylon mounting wire.
HW-COOLING-FAN-H --12V snail cooling fan-- US$15.95
 
 
Voltage:DC 12V
Current: 0.5A
Diameter: 9cm-9.6cm
Thickness: 33mm
Weight: 146g
The fan is good for motor and robot cooling purposes, and also for blowing the candle in robot fire fighter competition. The fan comes with 4 pcs of nylon mounting wire.
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