Name: Hall Video Adaptor more
Manufacturer: Hall Video Products
Year: 1989
Type: Add-on
Note: Came with 2 software tapes: Superintro and Protitler3.

Name: Handy-Kap Dust Cover more
Manufacturer: Handic-Plastics
Year: 1986
Type: Miscellaneous
Price: £8.00

Name: Handy-Kap Monitor Stand more
Manufacturer: Handic-Plastics
Year: 1986
Type: Miscellaneous
Price: £30.00

Name: Harris & Lockyer Keyboard more
Manufacturer: Harris & Lockyer Associates
Year: 1982
Type: Keyboard
Price: £26.95
Blurb: Bare keyboard without a case. Presumabley they sit on top of the computer. Keyswicthes and a spacebar.

Name: Haven Input/Output Port more
Manufacturer: Haven Hardware
Year: 1983
Type: Add-on
Price: £15.95
Blurb: I/O ports. 8 input and 8 outputs.

Name: Haven Keyboard Beeper more
Manufacturer: Haven Hardware
Year: 1983
Type: Sound/Speech
Price: £8.90
Blurb: Emits a beep when any key is pressed. [why? you can do the same with POKE 23609,x]

Name: Haven Single Key Input more
Manufacturer: Haven Hardware
Year: 1983
Type: Keyboard
Price: £4.95
Blurb: Small board that is soldered inside the Speccy that eliminates the 'keyword' feature, instead giving single letter entry.

Name: Heart Rate Monitor more
Manufacturer: Magenta Electronics Ltd
Year: 1983
Type: Add-on
Price: £29.98
Blurb: Monitor your heart rate via your finger tips. Place fingers over pads and the unit will do the rest.

Name: Heatrap more
Manufacturer: Aspic
Year: 1983
Type: Miscellaneous
Price: £7.95

Name: Hilderbay Cassette Recorder more
Manufacturer: Hilderbay Ltd
Year: 1982
Type: Cassette
Price: £22.00

Name: Hilderbay Loading Aid more
Manufacturer: Hilderbay Ltd
Year: 1982
Type: Cassette
Price: £5.95 / £7.95
Blurb: Cure tape loading problems with this interface. Stop drop-outs and load even poor quality tapes. Deluxe version (£7.95) has a larger meter.

Name: Hilderbay Interface more
Manufacturer: Hilderbay Ltd
Year: 1983
Type: Printing
Price: £45.00
Blurb: Centronics printer interface with software. Supports all printer commands.
Note: Came with a software tape: Hilderbay Printer Program.

Name: Hi-Res Graphics Plotting Pad more
Manufacturer: Keyboard
Year: 1982
Type: Miscellaneous
Price: £2.90

Name: Hi-Res Planner more
Manufacturer: Xaviersine
Year: 1982
Type: Miscellaneous
Price: £2.50

Name: Hi-Stak more
Manufacturer: Warp Factor Eight
Year: 1983
Type: Miscellaneous
Price: £3.95

Name: Hobbyboard Intelligent Joystick Interface more
Manufacturer: Hobbyboard
Year: 1984
Type: Joystick
Price: £20.80
Blurb: Supplied in kit form, this was a standard programmable interface.

Name: Hobbyboard Micro Interface more
Manufacturer: Hobbyboard
Year: 1984
Type: Add-on
Price: £9.50
Blurb: Hobbyboard offered build-yourself kits to produce things like light pens, digitisers and model controllers. This interface was to 'professionalise' your kits.

Name: Home Computer Starter Kit more
Manufacturer: Rexel Ltd
Year: 1984
Type: Miscellaneous
Price: £11.49

Name: HyperShot more
Manufacturer: Konami Ltd
Year: 1985
Type: Joystick
Price: £9.95
Blurb: Joypad with twin button. Aimed at sports sims like Hypersports it has buttons similar to the arcade machine.