Hi, this is a project off my old nokia 1100 phone and arduino mega. By using this many arduino and gsm based project is possible. The phone will work like a gsm module and you can sent message or call someone by using this phonoduino. You can also receive DTMF signal and control anything remotely. It can be used for home automation, home security and monitoring, bird feeder or anything you like. You can also type sms by computer keyboard and send instantly to someone or group by using arduino serial monitor. If you used multimedia phone instead of nokia 1100 you can sent image to another mobile or e-mail by this project. Following are the step by step guide for making the thing.
Step 1: Required Component
1. Old but working phone (I am using nokia 1100 but other phone will also work without touch phone)
2. Arduino Mega (UNO has less number of pin and can be used if DTMF is not required)
3. General purpose NPN transistor (2N2222 or BC547 x 16)
3. DTMF decoder IC (M-8870)
4. Resistors (5.6kΩ x 16, 100kΩ; 70kΩ; 390kΩ)
5. Capacitors (0.1µFx 2)
6. Crystal oscillator (3.579545MHz)
7. Vero-board and some wire
By this phonoduino ( arduino + phone) you can:
1. Call automatically from phone by arduino
2. Sent sms from computer or PC via arduino serial monitor
3. Controll light, fan, LED from remote place via phone
4. Control any thing using DTMF
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