Download Beginner’s Guide to Interfacing the BBC Microcomputer by M.A. Phillips PDF

By M.A. Phillips

Show description

Read Online or Download Beginner’s Guide to Interfacing the BBC Microcomputer PDF

Best nonfiction_13 books

Quantum Enhancement of a 4 km Laser Interferometer Gravitational-Wave Detector

The paintings during this thesis used to be part of the scan of squeezed mild injection into the LIGO interferometer. The paintings first discusses the designated layout of the squeezed mild resource which might be used for the test. the explicit layout is the doubly-resonant, traveling-wave bow-tie hollow space squeezed gentle resource with a brand new transformed coherent sideband locking method.

Mission High : One School, How Experts Tried to Fail It, and the Students and Teachers Who Made It Triumph (9781568584621)

“This publication is a godsend … a relocating portrait for somebody desirous to transcend the simplified labels and metrics and very comprehend an city highschool, and its hugely person, resilient, keen and fantastic scholars and educators. ” —Dave Eggers, co-founder, 826 nationwide and ScholarMatchDarrell is a reflective, terrific younger guy, who by no means considered himself as a superb scholar.

Barriers and Fluids of the Eye and Brain

This e-book describes the most recent findings at the keep an eye on of the fluid atmosphere of the attention and the mind. the attention is taken into account from its a number of interfaces. Carbonic anhydrase, which types a bridge among the attention and CSF, and the secretion and improvement of its drainage is reviewed. The blood-brain barrier is taken into account from the cerebral capillary, and up to date findings with homologous molecules refute the sooner reviews with 'foreign' tracers.

Property Management: A Customer Focused Approach

Meant for complicated scholars and practitioners this publication offers an updated presentation of estate administration as practised by means of a number one corporation, BAA plc. A key target of the booklet is to teach the advantages to be received from construction a enterprise tradition in line with carrier to the buyer. this can be accomplished by means of due cognizance to verbal exchange, management, dimension, benchmarking and responsibility.

Additional resources for Beginner’s Guide to Interfacing the BBC Microcomputer

Example text

1:... :::[::::::::::]: .. : ·..... ·· -.. - . .... -... .. ... _. . _ . ·........... .... I·.. _.......... ·...... -... 5····.. -....... - .. ·.......... 20. • • • x • x • • - • • • • • • • • • • • • • • • • x • x• x • • 15. 3 ~ : : : : : : : x x x x x x x xx x : • • • • • • • • • • • Buffer board layout Integrated circuits 74LS240 to 74LS245 provide a range of tri-state buffers, both inverting and non-inverting, to suit most purposes, and will source a current of 24 rnA, suitable for driving up to 15 standard TTL loads or 60 low power TTL loads.

26 ............ 5 rom drill in the positions shown. The Veroboard needs to be drilled carefully, otherwise it tends to crack; it is best drilled from the track side. Step 2 Cut the 12 copper tracks shown [(12,7), (13,7), (14,7), etc. 5 mm drill or a Veroboard cutter. It is necessary only to drill through the copper track, not right through the board. It is quite easy to drill the copper track with a hand-held drill bit provided that it is sharp!

A 220 ohm resistor is placed in series with each LED to limit the current to a safe level. 9 the board layout. ~ .... : : ....... -.. ···· ··........ --------------. -.. ·... . .. ···........ -.. · .......................................... ....... -.. ·..... · . -... ·.. . -------_. ·.. -----------------. -.. ·..... -......... 35·• •• •• •• • • • • • •• •I • • • • • • • • • • • • • • • • • • • • •. ••• , . . x . ~~~~------. -.. • • • • • • • • • • • • • x • x •• 20. ",-" • • • • • • • • • • • • • ..

Download PDF sample

Rated 4.30 of 5 – based on 16 votes