Perintah Kawalan Pergerakan (PKP) hari ke-76

Web Project: IOT Energy Monitoring

IOT Energy Meter adalah projek yang memantau penggunaan tenaga elektrik dalam unit kWh. Selain bacaan tenaga elektrik, terdapat beberapa bacaan lain iaitu voltan, arus, kuasa (power), power factor (pf) dan frekuensi. Bacaan di simpan di dalam MySQL.

Projek ini menggunakan Eastron SDM230 Smart Meter. Meter ini menggunakan interface RS485. Data protocol nya menggunakan Modbus dan nilai bacaan nya di dalam format 32bit IEEE 754. Bacaan IOT Energy Meter boleh dilihat di http://shahrulnizam.com/iot/energy.php. Selain daripada menggunakan NodeMCU, projek ini juga boleh menggunakan Raspberry Pi IOT Energy Monitoring.

Skematiknya adalah seperti berikut.

PCB komponen layout nya adalah seperti berikut.

Senarai komponen projek NodeMCU IOT Energy Monitoring seperti berikut.
No Component Label Unit
1 050 PCB NodeMCU RS485 (71mm X 48mm) PCB 1
2 AC Socket AC Socket 1
3 Capacitor SMD1206 10uF C1-C2 2
4 DC Jack Female DC Jack Female 1
5 Diode SMD1206 1N4001 D1 1
6 Energy Meter SDM230 RS485 1
7 IC MAX485 SOIC MAX485 1
8 NodeMCU ESP8266 V2 NodeMCU 1
9 OLED OLED 1
10 PCB Stand (screw nut) PCB Stand 4
11 Push Button 4 pin 6x6x1 PB 1
12 Resistor SMD1206 0.125W 10K R1-R3 3
13 Resistor SMD1206 0.125W 120 R5 1
14 Resistor SMD1206 0.125W 20K R4, R6 2
15 Terminal Block 2 Way DC 1
16 Terminal Block 2 Way RS485 1
17 Voltage Regulator 5V SOT223 7805 1

Harga projek NodeMCU IOT Energy Monitoring adalah RM940 dan ESP32 IOT Energy Monitoring adalah RM960 tidak termasuk bantuan teknikal. Di bawah adalah cara projek ini berfungsi.

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11 Replies to “Web Project: IOT Energy Monitoring”

  1. sir;
    i am b.tech 3 rd year student and i am kind of struggling with a new idea or aspects in the field of energy consuming and billing through energy meter and internet …that’s iot…
    few ideas i have regarding that like—THEFT PROTECTION AND DISCONNECTION..
    AND
    ESTIMATION THROUGH VOLTMETER SENSORS,CURRENT AND POWER FACTOR,PHASE ANGLE …AND ALSO SOME FOR MAKING AN AMAZING SMART SYSTEM. (energy flow…)
    your project was amazingly well..i’m deeply inspired..i am wondering to get help to make that iot server too..so please do send me your help to my email-id..it will be my pleasure…

    so please help me with something which could be implemented into this.. and also send me schematics of this project.

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