CMIS ESP32 SDK v1 – Specification

CMIS (Current Monitor IoT Sensors), SDK Kit is based on an Espressif ESP32 WROOM and the board is designed to monitor four fully isolated DC currents up to 100A. An I2C reversible 2.54mm header is provided in the middle of the board, which will allow an OLED display (such as a SSD1306 I2C), to be […]

CMIS-1 ESP32 Additional ADC Advanced Functions

CMIS (Current Monitor IoT Sensors), SDK Kit is based on an Espressif ESP32 WROOM and uses the internal ADC for reading sensor values. Other useful advanced ESP32 ADC functions for future experimenting are: analogReadResolution(resolution): set the sample bits and resolution. It can be a value between 9 (0 – 511) and 12 bits (0 – […]

CMIS-1 Test Code Calibrate DC SensorZeroVoltage

CMIS (Current Monitor IoT Sensors), SDK Kit is based on an Espressif ESP32 WROOM and the board has four AC/DC ACS758 100A (ACS758LCB-100B-PFF-T), Hall Effect based, Linear Current Sensors. These bi-directional current sensors will read +/- 100A and have a sensitivity of typically 20mV/A.   The example code below will enable you to calibrate the […]

CMIS-1 Test Code DC Current with OLED Display

CMIS (Current Monitor IoT Sensors), SDK Kit is based on an Espressif ESP32 WROOM and the board has four AC/DC ACS758 100A (ACS758LCB-100B-PFF-T), Hall Effect based, Linear Current Sensors. These bi-directional current sensors will read +/- 100A and have a sensitivity of typically 20mV/A.   The example code below will measure a low voltage DC […]

CMIS-1 Test Code CT Clamp with OLED Display

CMIS (Current Monitor IoT Sensors), SDK Kit is based on an Espressif ESP32 WROOM and the board has a CT Clamp Input. The example code will read a voltage from the CT Current Clamp (or Current Transformer), and output to the OLED Display.  Each loop the RED LED will flash. Note, depending on your CT […]

CMIS-1 Test Code CT Clamp

CMIS (Current Monitor IoT Sensors), SDK Kit is based on an Espressif ESP32 WROOM and the board has a CT Clamp Input. The example code will read a voltage from the CT Current Clamp (or Current Transformer), and output to the serial monitor.  Each loop the RED LED will flash.  If a value is read, […]

CMIS-1 Test Code OLED

CMIS (Current Monitor IoT Sensors), SDK Kit is based on an Espressif ESP32 WROOM and the board has an I2C header designed for easy OLED connection. Displays random number between 0 and 99 and updates battery percentage.  Heartbeat RED LED flashes each loop cycle. You will need to select your OLED Display.  Uncomment/Comment as needed. // […]

EMIS-1 Test Code OLED

EMIS (Energy Monitoring IoT Sensors), SDK Kit is based on an Espressif ESP32 WROOM and the board has an I2C header designed for easy OLED connection. Displays random number between 0 and 99 and updates battery percentage.  Heartbeat RED LED flashes each loop cycle. You will need to select your OLED Display.  Uncomment/Comment as needed. […]

EMIS-1 Test Code Wifi

EMIS (Energy Monitoring IoT Sensors), SDK Kit is based on an Espressif ESP32 WROOM, which incorporated 2.4GHz Wireless. This code simply communicates with the 2.4GHz Wireless and scans for available Access Point or Router networks. Example Arduino code below.

CMIS-1 Test Code Wifi

CMIS (Current Monitor IoT Sensors), SDK Kit is based on an Espressif ESP32 WROOM, which incorporated 2.4GHz Wireless. This code simply communicates with the 2.4GHz Wireless and scans for available Access Point or Router networks. Example Arduino code below.  

EMIS-1 Test Code RGB LED

EMIS (Energy Monitoring IoT Sensors), SDK Kit contains an RGB LED.  This basic code is used to test the RGB LED. RED LED is on GPIO 2 Green LED is on GPIO 4 Blue LED is on GPIO 15 The separate POWER LED is RED and is always on. Note that in the default state, […]

CMIS-1 Test Code RGB LED

CMIS (Current Monitor IoT Sensors), SDK Kit contains an RGB LED.  This basic code is used to test the RGB LED. RED LED is on GPIO 2 Green LED is on GPIO 4 Blue LED is on GPIO 15 The separate POWER LED is RED and is always on. Note that in the default state, […]

RPEM ESP8266 SDK V1 – Connections

RPEM v1 is a STEM project, providing a flexible Remote Power Energy Monitor SDK for your Green Solar/Wind/Battery/Inverter Energy System. The SDK is designed to be as flexible as possible for the Home Automation enthusiast.   DC Input can be taken from a power supply or existing battery. Typically, this is between 6V and 15V.  […]

RPEM-1 PCB

RPEM v1 is a STEM project, providing a flexible Remote Power Energy Monitor SDK for your Solar/Wind/Battery/Inverter System. The PCB uses Surface Mount Technologies and is size designed to fit into a Hammond 1553D Enclosure. Size of the PCB is only 70 mm x 60 mm All SMT components, with exception to the DC Input […]

RPEM ESP8266 SDK V1 – Specification

RPEM v1 is a STEM project, providing a flexible Remote Power Energy Monitor SDK for your Solar/Wind/Battery/Inverter System. The SDK Kit is available: RPEM-1-C with four x SMT current clamp 3.5mm sockets mounted. RPEM-1-V without the sockets, for four x voltage monitoring.     The RPEM SDK has been designed to be as flexible as […]