Electronics

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Power jack to screw terminal adapter
This is an adapter that makes it easy to connect a power supply with a standard barrel jack connector (such as our 24 V 5 A supply). Just run two wires between the screw term…

£2.15

Power jack to screw terminal adapter

£2.15
Power supply, 24V 5A (120W)
A laptop-type brick power supply, capable of supplying 5 A at 24 V (120 W). It does not come with a power cord; you will need one with a C5 cloverleaf conenctor. At …

£24.95

Power supply, 24V 5A (120W)

£24.95
Power supply, 24V 8.3A (200W)
This item will be back in stock around 31 March 2020 A good quality cage-type power supply, capable of supplying 8.3 A at 24 V (200 W). It ha…

£38.95

Power supply, 24V 8.3A (200W)

£38.95
Screws for DC brushless fan, pack of 4
This is a pack of four screws for mounting our 50mm DC brushless fan, and/or its fan guard. They are compatible with other sizes of fan, as long as they have 4 mm diameter…

£0.85

Screws for DC brushless fan, pack of 4

£0.85
Split-bead Ferrite RFI Suppressor
This is a small RF interference suppressor. It clips onto any cable up to 5 mm diameter. When installed on a USB cable, it may help reduce USB disconnections. Th…

£2.95

Split-bead Ferrite RFI Suppressor

£2.95
Stepper cable, 4 core 18 AWG, shielded
One metre of shielded stepper cable, made in USA by Alpha Wire. The cable consists of: Four 18 AWG (0.82 mm2) cores, each made of 16 thin (30 AWG) strands of tinned copper…

£3.85

Stepper cable, 4 core 18 AWG, shielded

£3.85
Stepper driver module, Pololu A4988 black edition
This is the Black Edition Pololu A4988 driver, with improved thermal dissipation. It is capable of up to 2 A per winding (with adequate cooling), and about 1.2 A without a…

£10.95

Stepper driver module, Pololu…

£10.95
Stepper driver module, Pololu A4988, green
This is the regular green Pololu A4988 driver, capable of up to 2 A per winding (with adequate cooling). Power supply voltage: 8 to 35 V. Please see the Pololu product…

£9.96

Stepper driver module, Pololu…

£9.96
Stepper driver module, Pololu DRV8825 high current, purple
This is a driver carrier board based on the Texas Instruments DRV8825 chip. It is pin-compativle with the ubiquitous A4988 driver carrier board, but it's capable of mo…

£12.75

Stepper driver module, Pololu…

£12.75
Stepper motor, NEMA17, 0.9° per step, 1.7 A, 4200 g·cm
A powerful bipolar (4-wire) NEMA17 stepper motor with 400 steps per revolution (0.9 degrees per step). This is one of the most powerful 0.9° NEMA17 motors, with a holding…

£14.95

Stepper motor, NEMA17, 0.9°…

£14.95
Stepper motor, NEMA17, 1.8° per step, 1.7 A, 4000 g·cm
A smaller bipolar (4-wire) NEMA17 stepper motor with 200 steps per revolution (1.8 degrees per step). This is not the most powerful NEMA17 motor, but it's a little smalle…

£13.95

Stepper motor, NEMA17, 1.8°…

£13.95
Stepper motor, NEMA17, 1.8° per step, 1.7 A, 5300 g·cm
A powerful bipolar (4-wire) NEMA17 stepper motor with 200 steps per revolution (1.8 degrees per step). This is one of the most powerful NEMA17 motors, with a holding torque o…

£16.45

Stepper motor, NEMA17, 1.8°…

£16.45