LMIC ESP8266 Hardware Motor and Safety Circuit Test

The LMIC board contains principally a L6205 DMOS Full Bridge DC Motor Driver and Hardware Safety Circuit, controlled from an ESP8266. The Hardware Safety Circuit on the LMIC board, continually monitoring the L6205 for an over-load (Linear Motor Jam for example) , shorted output, thermal trip, cross conduction protection, voltage lockout.  Upon a fault, the […]

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, […]

EMIS-1 Test Code Relay

EMIS (Current Monitor IoT Sensors), SDK Kit is based on an Espressif ESP32 WROOM and the board has a small relay in order to provide an isolated output. The relay is rated at 2A and 30V DC.    

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, […]