---
title: "Sinclair ZX-81"
type: "article"
slug: "sinclair-zx-81-2"
url: "http://localhost/article/sinclair-zx-81-2/"
markdown_url: "http://localhost/article/sinclair-zx-81-2.md"
published_at: "2020-10-27T17:13:07+00:00"
modified_at: "2024-05-26T14:34:00+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Several letters in response to request for ZX-81 schematic. Letters include details about user's experiences. Schematics of ZX80, ZX81 and 16K ram pack. List of Sinclair/Timex book; includes brief summary of each book. Also, discussion of emulator options available at the time."
category:
  - name: "The Computer Journal"
    slug: "the-computer-journal"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/the-computer-journal/"
post_tag:
  - name: "Reference"
    slug: "reference"
    taxonomy: "post_tag"
    url: "http://localhost/tag/reference/"
  - name: "TS 1016"
    slug: "ts-1016"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts-1016/"
  - name: "ZX80"
    slug: "zx80"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx80/"
  - name: "ZX81"
    slug: "zx81"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx81/"
model:
  - name: "Sinclair ZX80"
    slug: "zx80"
    taxonomy: "model"
    url: "http://localhost/model/zx80/"
  - name: "Sinclair ZX81"
    slug: "zx81"
    taxonomy: "model"
    url: "http://localhost/model/zx81/"
indiv:
  - name: "Bill Kibler"
    slug: "bill-kibler"
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    url: "http://localhost/indiv/bill-kibler/"
publication: "The Computer Journal"
publication_r:
  id: 10251
  title: "The Computer Journal"
  type: "periodical"
  url: "http://localhost/periodical/the-computer-journal/"
authors: "Bill Kibler"
issue: "65"
pages: "22-33"
archive_link: false
archiveurl: "https://archive.org/details/the-computer-journal-65/page/n23/mode/1up"
volumeissue: "vn65"
---

# Sinclair ZX-81

Several letters in response to request for ZX-81 schematic. Letters include details about user’s experiences. Schematics of ZX80, ZX81 and 16K ram pack. List of Sinclair/Timex book; includes brief summary of each book. Also, discussion of emulator options available at the time.