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Bell box controller for use in Pyronix, and other bell boxes, 12V, 4 output and 2 inputs with WAGO connectors
ESP32

Solar System Pyronix Bell Box controller

Sold by RevK® at Andrews & Arnold Ltd

$46.75

No tax for United States [change]
Stock available: 9
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Original Design
This product was designed by RevK® at Andrews & Arnold Ltd. By buying this product you support original hardware creators.
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Solar System

Solar System is a set of boards and software that provide an alarm system and access conrtol.

This board is part of that and provides a board to go inside a bell box, primarily designed for a Pyronix Delta 2 bell box, but can work with many others. Needs only 12V supply and works on the WiFi mesh.

It also has pads to allow a link to a connector to a GPS module that can provide a time reference for the alarm system.

Other uses

The board is 12V power with 12V driver output and simple loop inputs, and so is useful for a range of other applications.

GPIO

Four outputs at 12V

  • BELL
  • STROBE
  • ENGINEERING
  • BACKLIGHT

Two inputs as simple loop

  • Tamper
  • Fault

GPS

  • Tx and Rx serial
  • Rx PPS input

Also USB-C for programming, and debug if needed.

(Note, there may be some ambiguity over GPIO 39 and 35, test to be sure)

Links to code and documentation

Documentation (ss.revk.uk)

Code (ss.revk.uk)

Design Files (ss.revk.uk)

Schematics (ss.revk.uk)

Bom (ss.revk.uk)

Product HS Code: 847330

Shipping policy

All parcels shipped with tracked shipping, usually shipped within one working day.

The seller

RevK® at Andrews & Arnold Ltd

RevK® at Andrews & Arnold Ltd logo

BRACKNELL, Berks, UK
22 orders since Apr 3, 2025
Andrews & Arnold Ltd are a UK based communications company. We sell internet, telephone, SMS, and make some serious routers (FireBrick).
We use a lot of open source, and give back with a lot of open source code and hardware designs on Codeberg.
We have many open source PCB designs. These are not sold as consumer products, but assembled PCBs, development boards for hobbyist use.
Suggestions and git merge requests on Codeberg always welcome.