Purchase the Parts
Most parts can be purchased from anywhere on the web. However, if you wish to use the PCB I previously designed, it is important to use the components linked to below.
The Basics
The Components
| Component | Description | Price |
|---|---|---|
| RFID Module | The 125Khz module is a cheap and small RFID reader with a detachable antenna | $13 |
| LEDs | A Blue, Red and Green LED light is to indicate idleness, access granted or denied | $2 |
| PIN Keypad | A simple 1×4 Keypad | $5 |
| Door Strike | A 12V Door Strike to open and close the door | $10 |
| Relay | Purchase any 5V relay which has GND, IN and PWR IOs | $10 |
The Extras
| Component | Description | Price |
|---|---|---|
| Custom PCB Board | Pi-Lock has its own custom printed PCB. | $10 – $30 |
| Speaker | If you want an alarm to ring, you can purchase a small speaker | $5 |