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 […]

CWX ESP8266 BME280 v2 – Specification

CWX 2 –  Compact Weather Station IoT Home Automation   This CWX-2, Compact Weather Station for IoT Home Automation, is great for either indoor and outdoor use. Designed to be battery powered, via a standard CR123A Lithium Battery, or from an external DC supply. Allows remote sensing and sending data over Wi-Fi, such as to […]

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 […]

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 […]

UART ESP Code Flashing

Programming / Flashing UART Control In order to ease programming, a simple two transistor circuit is added to our boards which when connected to a USB to UART module, allows the host computer to control the DTR = Reset, and RTS = Boot Mode.  This makes recompiling and flashing so much simpler.   Note: This […]

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.     An example of the output can be seen here  as highlighted below. Based on the industry standard ESP8266 (ESP-12S Series), the […]

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 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 […]