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Gadget Freak Case #126: Talking to Your Gadgets Remotely
DN Staff
October 26, 2016
1 Min Read
Want to turn on your home's heating system before you arrive? Would you like to double check your home alarm from your car - or your car alarm from your home? Alvaro Mautone created a gadget that allows you to use your cell phone to control appliances and alarms from a distance up to 500m. Mautone uses the serial port in his cell phone to create SMS (short message service) messages to electronic devices to turn them on, turn them off or simply check their status. And he's able to create this handy device while spending less than $50 in components.
Get Build Instructions | View Parts List | Post a Comment | Watch the Video
Amt | Part Description | Allied Part # |
|---|---|---|
1 | Microchip 16F628A | 383-0400 |
1 | Crystal Oscillator | 895-0604 |
4 | Resistor R1, R4, R6, R11 | 296-4663 |
1 | Resistor R2 | 296-4675 |
1 | Resistor R3 | 296-2182 |
2 | Resistor R5, R8 | 296-2124 |
1 | Resistor R7 | 296-2181 |
2 | Resistor R9, R10 | 296-4682 |
1 | Resistor R12 | 648-0093 |
3 | Transistor Q1, Q2, Q3 | 431-0470 |
1 | Relay K1 SPDT | 788-1096 |
1 | JP1 Jumper Connector | 518-0071 |
4 | Diode D1, D2, D6, D8 | 950-0212 |
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