https://github.com/atoomnetmarc/solenoid-pulser

Solenoid pulser for 12V JF-0530B
https://github.com/atoomnetmarc/solenoid-pulser

bell ne555 solenoid

Last synced: 7 months ago
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Solenoid pulser for 12V JF-0530B

• Host: GitHub
• URL: https://github.com/atoomnetmarc/solenoid-pulser
• Owner: atoomnetmarc
• License: apache-2.0
• Created: 2021-08-06T14:49:14.000Z (almost 5 years ago)
• Default Branch: main
• Last Pushed: 2021-10-03T08:46:15.000Z (almost 5 years ago)
• Last Synced: 2025-02-03T20:49:58.136Z (over 1 year ago)
• Topics: bell, ne555, solenoid
• Language: HTML
• Homepage:
• Size: 3.86 MB
• Stars: 1
• Watchers: 1
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# Status

Prototype. Circuit has been validated and know to work on a breadboard, but have not been made into a pcb yet.

# Ding!?

This circuit charges a 2200uF capacitor with a 100 ohm resistor and pulses a 12V JF-0530B solenoid for about 15ms with a NE555 timer chip. The NE555 is configured as a non-retriggerable one-shot timer where the length of the trigger pulse does not matter. The solenoid will strike a reception desk bell to produce a ding sound. The 100 ohm resistor limits triggering to a maximum of once per second. Add a 6mm bushing to the solenoid axle to shorten its throw.

![](Kicad/Solenoid%20pulser-render.jpg)

![](3d/Bell%20holder.png)

[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)