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. This is a new product for May 2022 – Details are being updated.  The production PCBs have been ordered, where they will then be populated, tested and expected to be in stock late in June. The SDK […]

CWX Sensor Module BME280

The CWX uses a BME280 High Precision Temperature, Humidity and Barometric Pressure Sensor.  This digital sensor module being contained on it’s own PCB and interfaces to the standard I2C bus, such as used on most microcontrollers such as ESP8266 series, Arduino boards, Raspberry PI etc. This BME280 module is factory calibrated to provide a high […]

RMIS-1 Example Code Solar Wind Battery Monitor

The below RMIS-1 test code example has been provided as a means to learn, develop and evolve.  The purpose of this test code is to cycle through the various main functions of the board as part of bring up testing. This example code has been developed for a test Solar/Wind/Battery/UPS project – which is very […]

RMIS-1 Connections and Interfacing

RMIS (Remote Monitoring IoT System), includes the following connections: PCB DC input (10v to 15v).  15V MAX UART for Flashing code or external board monitoring & control via serial I2C Expansion Interface, for adding other devices Current and Voltage Monitoring (4 Channels – High Side Sensing) Notes: The Current Channel connectors are quality 5mm spacing, […]

CWX-1 Basic Bring Up Code – MQTT

This CWX-1 Basic Bring Up Code (ThingSpeak), Wiki page, provides basic information to connect your computer to the CWX-1 and then flash some sample code which will read the sensors and update to Domoticz via MQTT.   Overview The CWX 1 –  STEM SDK IoT (Compact Weather Station), contains a compact BME280 sensor which provides […]

CWX-1 Basic Bring Up Test Code

This CWX-1 Basic Bring Up Test Code Wiki page, provides basic information to connect your computer to the CWX-1 and then flash some sample code which will read the sensors and update to ThingSpeak.   Overview The CWX 1 –  STEM SDK IoT (Compact Weather Station), contains a compact BME280 sensor which provides three readings, […]

CWX-1 External DS18B20 Temperature Sensor

The CWX 1 –  STEM SDK IoT (Compact Weather Station),, includes on-board digital temperature sensor, however it would be great to also add an external temperature sensor, such on a greenhouse or room. Using the I2C connector and sharing the I2C bus, it is very easy to add one to test, or more, one-wire digital […]

RMIS-1 External DS18B20 Temperature Sensor

RMIS (Remote Monitoring IoT System), includes on-board digital temperature sensor, MCP9808 (located next to the ACS712 current monitors).  However it would be great to also add an external temperature sensor, such on a battery or heatsink. Using the I2C connector and sharing the I2C bus, it is very easy to add one to test, or […]

RMIS-1 Power Calculations Guide – Voltages and Current

RMIS (Remote Monitoring IoT System) features four independent and isolated channels, each of which can monitor both DC voltage and current. When all four input channels are used, it would result in eight readings (4 x current and 4 x voltages), being provided in real-time.  The current measured is also positive and negative, so RMIS […]

CWX-1 Basic Bring Up Code – ThingSpeak

This CWX-1 Basic Bring Up Code (ThingSpeak), Wiki page, provides basic information to connect your computer to the CWX-1 and then flash some sample code which will read the sensors and update to ThingSpeak.   Overview The CWX 1 –  STEM SDK IoT (Compact Weather Station), contains a compact BME280 sensor which provides three readings, […]

CWX 12S SDK v1 – Specification

CWX 1 –  STEM SDK IoT (Compact Weather Station IoT Home Automation)   Powered by a single CR123 Lithium battery, this STEM SDK is a Compact Weather Station for IoT Home Automation, providing: Barometric Pressure Temperature Humidity Light Level An example of the output can be seen here  as highlighted below. Based on the industry […]

RMIS 12S SDK v1 – Specification

RMIS (Remote Monitoring IoT System) Ideal for remote monitoring DC Voltage and Current of: Green Energy Systems Renewable Energy Systems Batteries Solar Panels Wind Generators Hydro Power Generators Rain Gutter Power Generators Thermoelectric Power Generator Water Tower Power Generators Turbines This exciting new RMIS-1 – STEM SDK kit was originally designed for the GB3FW repeater site […]

WREN ESP12S SDK – GPIO Matrix

The WREN SDK uses both ESP-12S GPIO and I2C GPIO Expander (MCP23017). to control and monitor the board functionality. For this reason, it is important to ensure your development supports the I2C Expander MCP23017.  An example from Tasmota is MCP23017 GPIO Expander

WREN 12S SDK V2 – Basics

This is a living (Work in Progress), document. Basics The heart of the WREN SDK is an ESP-12S, which is a small package variation to the industry standard ESP8266, so enabling a vast range of support from many IoT developers.  Standard ESP8266 firmware will run on the WREN SDK, after simple assignment of ports to […]

WREN 12S SDK V2 – Board Bring Up and Test Code

The WREN 12S SDK V2  example code below is used for Board Bring Up and Test Input / Output Ports. This Arduino IDE example (Settings. Board: ESP8266 12S Dev Module), basically exercises the RGB LED, Temperature Sensor, Voltage Sensor, Safety Circuit, Inputs and DC Motor Outputs. You can also refer to Wiki for ESP-12S GPIO […]

WREN 12S SDK V2 – Specification

Following the success of the original WREN SDK, the new DitroniX WREN 12S SDK v2, based on an Ai-Thinker ESP-12S (ESP8266), has been developed. DitroniX WREN, is an IoT Linear Motor Controller SDK.  It was initially designed to easily, and safely, retrofit (plug and play), to industry standard Electric Reclining Chairs, with continued use of […]

WREN 1 CE – Technical Information

The new DitroniX WREN 1  Consumer Edition has been designed to easily, and safely, retrofit to industry standard Electric Reclining Chairs. WREN could also be used for a range of other DC controlled applications. The principle function of WREN, is to interface to existing electric recliner push buttons (or remote hand controller), and provide both […]

WREN S2 DE SDK – Sample Code Introduction

From a base point, WREN S2 DE SDK is based on Open Source, Espressif ESP32-S2 and available to the Developer Community. Using the standard Arduino IDE, or Platform IO, for example, you will be able to derive and develop code that will enable a basic WREN S2 DE SDK  board bring-up and test the various […]

WREN S2 DE SDK – Technical Information

The new DitroniX WREN is both a Consumer Product, and also a Developers SDK.  It has been designed to easily, and safely, retrofit to industry standard Electric Reclining Chairs. WREN could also be used for a range of other DC controlled applications. A detailed comparison table is provided here The principle function of the DitroniX […]