Perimeter Bear Alarm Fence

thingiverse

It appears that you've provided a document detailing a DIY project for creating an electric fence with a built-in alarm system. Here's a breakdown of the content: **Introduction** * The project involves creating a fence using 3D printing and various electronics components. * The goal is to create an impact-resistant fence with no need for supports or brim. **Bill of Materials** The document lists the required materials, including: * Gold Tip Standard Inserts * Gold Tip EX-Pull Field Points * Gold Tone Metal Audio Telephone Device * Mercury Tilt Switch * SPDT Paddle Switch * 2N4401 transistor * 18K resistor * .500 x 48 Pultruded Carbon Tube * 22Ga stranded wire * Heat Shrink * Various connectors and switches **Electronics** The document discusses the electronic circuit used for the alarm system. It includes: * A schematic diagram from http://www.eleccircuit.com/ * Modifications made to the circuit, including using an 18K resistor instead of a 33K resistor and a 2N4401 transistor instead of a BC549. * Discussion on the power consumption of the fence and the siren. **Construction** The document includes photos and descriptions of the construction process, including: * Assembling the control box * Mounting the speaker assembly * Creating the arrow tip holder and plug * Adding epoxy to secure the components * Installing the tilt switches and wires **Notes** The author mentions that the fence uses 5-6mA when turned on and 150mA at 12V DC when the siren is activated. They also note that the speaker assembly is not waterproof, but can be enclosed in a ziploc to protect it from the elements. Overall, the document provides a detailed guide for creating an electric fence with a built-in alarm system using 3D printing and various electronics components.