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First half

bchethan24·Solar-Power-Electric-Fence-Circuit-Design·Hardware/Main_Control_Board/Hardware_Design/first_part/first half pcb.kicad_pcb

First half PCB layout, top view — open source board by bchethan24
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About the First half PCB

First half is an open source PCB design by bchethan24, published on GitHub under the MIT license. It is a 2-layer board measuring 131 × 78 mm, with 23 components from 19 distinct parts.

Other key parts include the LM317L_SOT-89. By type, the board carries 8 resistors, 4 diodes, 3 connectors, 3 capacitors, 2 switches and 1 IC.

It belongs with the power & battery designs in this gallery.

From the project

A fully custom-built Solar Powered Electric Fence Circuit designed by ECE project team. The system uses a solar panel to charge a 12V battery via an LM317L regulator and generates controlled high-voltage pulses using a CD4047 astable multivibrator (f = 46–58 Hz). IRF3205 MOSFETs drive a step-up transformer to deliver electric pulses along the fence

A high-voltage, renewable energy-based perimeter security system using CD4047 pulse generation and MOSFET power switching.

This project features a fully custom-built Solar Powered Electric Fence, designed to deliver controlled, safe high-voltage pulses for agricultural and perimeter protection. It integrates a solar charging system with a battery backup to ensure 24/7 off-grid operation without reliance on the power grid.

Main components on the First half

LM317L_SOT-89

First half bill of materials (BOM)

23 components, 19 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
LM317L_SOT-89
U1
1
to ic 4047
J1
1
12v
J2
1
to gnd
J3
1
12V 7Ah
BT1
2
SW_SPST
SW1, SW2
1
Solar_Cells
solarpanel1
1
15A 45V
D1
3
LED
D5, D6, D7
1
100u
C1
1
10u
C2
1
1000uf
C5
1
0.01
R1
1
125
R2
1
2750
R3
2
560
R5, R7
1
0.1
R6
1
1k
R8
1
330
R9

First half design files

The KiCad project lives in the bchethan24/Solar-Power-Electric-Fence-Circuit-Design repository on GitHub; these links point at the commit this page was built from.

First half: common questions

How big is the First half PCB?

The First half measures 131 × 78 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the First half?

23 components, from 19 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the First half design files?

From the bchethan24/Solar-Power-Electric-Fence-Circuit-Design repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the First half design in my own project?

Yes, under the terms of its MIT license, which bchethan24 chose for the repository.

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