AC Power Current Monitoring - PZEM-004T-V30 & NODEMCU ESP8266
AC power current monitoring with web dashboard
- Download or copy monit_dashboard.ino file.
- Add WiFi credentials.
- WiFi SSID: your WiFi Name.
- Wifi Password: your WiFi Password.
- Download required libraries:
PZEM to NODEMCU
| PZEM | NODEMCU |
|---|---|
| 5V | 3V3 |
| GND | GND |
| TX | D5 |
| RX | D6 |
Display SSD1306 to NODEMCU
| SSD1306 | NODEMCU |
|---|---|
| VCC | 3V3 |
| GND | GND |
| SDA | D2 |
| SCL | D1 |
Relay Module 5v dual channel to NODEMCU
| Relay Module | NODEMCU |
|---|---|
| VCC | 5V Output From Adapter or similar |
| ❌ Do not use 3V3 output from NODEMCU | |
| GND | GND |
| IN 1 | D7 |
| IN 2 | D8 |