MLP191020 - Wemos D1 Minni Version ESP8266 Mains Power Sensor
Single phase mains power sensor using a current transformer (not included) and a Wemos D1 Mini (not included). The transformer used is a "Current Transformer AC current sensor 100A SCT-013-000" available on eBay. This plugs into the sensor PCB and the ESP8266 (Wemos D1) and uses the analog input to measure the mains current draw. The Wemos is powered by it's micro USB input. This makes a very simple sensor setup that could report the measured current via MQTT. A simple case design is also available on Thingiverse.
MLP201083 - Wemos D1 Mini ESP8266 Mains Power Sensor - SMD Version
Single phase mains power sensor using a current transformer (not included) and a Wemos D1 Mini (not included). The transformer used can be a current transformer AC current sensor 100A SCT-013-000 or a voltage output current transformer (link selectable) available on eBay. The transformer plugs into the sensor PCB and uses the ESP8266 analogue input to measure the mains current draw.
MLP201162 - Node-MCU 30-Pin Version ESP8266 Mains Power Sensor
Single phase mains power sensor using a current transformer (not included) and a Node-MCU (not included). The transformer used can be a current transformer AC current sensor 100A SCT-013-000 or a voltage output current transformer (link selectable) available on eBay. The transformer plugs into the sensor PCB and uses the ESP8266 analogue input to measure the mains current draw.● MLP201162 - For Node-MCU With 27.9mm (1.1") Row Spacing
MLP201208 - Node-MCU 30-Pin Version ESP8266 Mains Power Sensor
Single phase mains power sensor using a current transformer (not included) and a Node-MCU (not included). The transformer used can be a current transformer AC current sensor 100A SCT-013-000 or a voltage output current transformer (link selectable) available on eBay. The transformer plugs into the sensor PCB and uses the ESP8266 analogue input to measure the mains current draw.● MLP201208 - For Node-MCU With 22.8mm (0.9") Row Spacing
MLP201136 - ESP8266 - 4 Channel Mains Current Sensor
A 4-Channel mains sensor board with an option for either a Wemos D1 Mini or an ESP-12 WiFi module.This version uses the ESP8266's own A/D for measurement.
4off 3.5mm Jack sockets are provided for direct connection to the popular SCT-013 current transformer.
Version 3 boards have the addition of cut links that remove the 22R burden resistor from the circuit, this option makes using 1V type CT clamps very easy
MLP201077 - ESP8266 - 4 Channel Mains Current Sensor
A 4-Channel mains sensor board with an option for either a Wemos D1 Mini or an ESP-12 WiFi module. 4off 3.5mm Jack sockets are provided for direct connection to the popular SCT-013 current transformer. An onboard ADS1115 A/D converter is provided for the measurement (15 bit) and a switch mode PSU is provided for DC power input (9-24V DC).
MLP201185 - ESP32 4-Channel Mains Power Sensor
A prototype for a new 4 channel CT board using an ESP32 (Wemos ESP32)
MLP201191 - ESP32 S2 4-Channel Mains Power Sensor
A prototype for a new 4 channel CT board using an ESP32 (Wemos ESP32 S2)
MLP201188 - ESP32 4-Channel Mains Power Sensor
A prototype for a new 4 channel CT board using an ESP32 (Node-MCU 30-Pin ESP32)