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, […]

VDAS Kit v1.2 – Specification

VDAS (Video Detect and Audio Squelch), is a small board (Size 45mm x 20mm x 5mm – excluding BNC), that detects video sync (taken from an ATV receiver for example), and then provides a couple of digital outputs depending on the video state.  This was previously shown under HAMKit brand.         This […]

VMAC PiHat v3 – Specification

VMAC PiHat (Video Matrix Audio Controller) This is a new project (Feb 2022) – details to follow and was previously shown under HAMKit brand.                       The VMAC PiHat is an updated version featuring FOUR A/V inputs and ONE A/V output, complete with OSD (On Screen Display). […]

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 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 […]