---
title: "Adding an LED Load Monitor to the ZX80"
type: "article"
slug: "adding-an-led-load-monitor-to-the-zx80"
url: "http://localhost/article/adding-an-led-load-monitor-to-the-zx80/"
markdown_url: "http://localhost/article/adding-an-led-load-monitor-to-the-zx80.md"
published_at: "2020-10-27T17:18:29+00:00"
modified_at: "2024-06-23T00:44:06+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Single LED (light emitting diode) added to the tape \"ear\" input of the computer. The voltage for lighting the LED is just right for loading a program from the cassette tape."
category:
  - name: "SYNC"
    slug: "sync"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/sync/"
post_tag:
  - name: "1981"
    slug: "year-1981"
    taxonomy: "post_tag"
    url: "http://localhost/tag/year-1981/"
  - name: "Cecil Bridges"
    slug: "cecil-bridges"
    taxonomy: "post_tag"
    url: "http://localhost/tag/cecil-bridges/"
  - name: "Hardware project"
    slug: "hardware-project"
    taxonomy: "post_tag"
    url: "http://localhost/tag/hardware-project/"
  - name: "ZX80"
    slug: "zx80"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx80/"
model:
  - name: "Sinclair ZX80"
    slug: "zx80"
    taxonomy: "model"
    url: "http://localhost/model/zx80/"
publication: "Sync"
publication_r:
  id: 10243
  title: "SYNC"
  type: "periodical"
  url: "http://localhost/periodical/sync-magazine/"
authors: "Cecil Bridges"
volume: "1"
issue: "1"
issues_articles:
  - id: 26635
    title: "SYNC v1 n1"
    type: "issue"
    url: "http://localhost/issue/sync-v1-n1/"
pages: "38"
pubdate: "January/February 1981"
archive_link: false
volumeissue: "v1n1"
companies_articles:
  - id: 10723
    title: "Cecil Bridges"
    type: "company"
    url: "http://localhost/company/cecil-bridges/"
---

Single LED (light emitting diode) added to the tape “ear” input of the computer. The voltage for lighting the LED is just right for loading a program from the cassette tape.