Digital Stc-1000 Manual: Software Free Download

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README.md STC-1000+ STC-1000+ is an open source implementation of firmware(s) for the STC-1000 dual stage thermostat that add improvements and features over the version it is shipped with. It also provides an easy and cheap way of uploading said firmware(s) to the thermostat by emulating a programmer using the widely available Arduino platform. Finally the project adds a few tools that make it easier use and upload the firmware(s). The main purpose of this project is provide firmwares that add features that are desirable for brewing beer, but the usage is not limited to this. Good NEWS everybody!

For those that have got an STC-1000 that has an STM8 microcontroller, Emile is working on an awesome replacement firmware targeted at that architecture. Check it out!

Please don't open github issues for general questions. Only open an issue if you discovered an actual bug or have a (realistic) feature request (or better yet, send a pull request). Quick start You'd need an Arduino board (like the Arduino UNO) and an STC-1000 thermostat with the proper hardware version (A400_P). The correct STC-1000 can be bought. Go to the, select the firmware version you want (more on the different version below), optionally make the changes you want to the settings and press 'Download sketch'. Open the sketch with the Arduino IDE and upload it to the Arduino board. Connect the Arduino to the STC-1000 (how to do that is described later on).

Open the serial monitor in the Arduino IDE and follow the instructions. Introduction The STC-1000 is a dual stage (that is, it can control heating and cooling) thermostat that is pretty affordable. It is microcontroller operated, that means there is a sort of 'computer on a chip' that reads the temperature of the probe, turns the relays on and off, reads the state of the buttons and updates the display.

To do all this, the microcontroller needs to be programmed to perform these tasks. The program is stored in non volatile (flash) memory that is retained when there is no power. The microcontroller can be reprogrammed (flashed) with a new program (firmware), that can other or additional tasks. To do that, a new firmware is needed and you need a programmer that can send it to the microcontroller the way it expects it.

The STC-1000+ project provides both these things (and a few additional things as well). So far so good, but there is a catch. Probably due to the popularity of the STC-1000, there are a number of clones out there. These are functionally (from a user perspective) equivalent, but are not based in the same design. Specifically, they use other microcontrollers that while having similar specifications, use completely different architectures and most of all, do not have freely available tools (compilers) or even freely available documentation. This makes it extremely hard and/or expensive to change the firmware on these.

Just buying an STC-1000 off the usual auction sites, makes it a complete gamble what hardware version (or which clone) you will receive, you've got the odds stacked against you as the clones probably are using slightly cheaper (and probably worse) components. STC-1000+ is only compatible with the A400_P version of the STC-1000 as this sports the Microchip PIC16F1828 microcontroller, for which there are open tools and freely available documentation.

This version is manufactured (and also sold). STC-1000's can be purchased directly from them through their. Many thanks to Will Conrad for tracking down the manufacturer and for sharing the information! To upload (flash) the microcontroller, you also need a programmer.

There are official Microchip PIC programmers (Pickit) to purchase, but they typically cost $60-$70. There are also clones available on the usual auction sites that cost around $22.

Neither of these options are very cost effective, considering the price of the STC-1000. The Dhandho Investor By Mohnish Pabrai Pdf Download. So, as a part of the STC-1000+ project, a PIC programmer is implemented as an Arduino sketch, where the Arduino instead will act as a PIC programmer. This makes it a lot more cost effective, as an Arduino Nano clone cost around $2.30 last I checked. The firmwares There are a few variations of firmwares to choose from. They can be generated with custom EEPROM data from the or simply choose the correct picprog.ino to download. For older releases see the. STC-1000+ firmware This firmware, in addition to act as a thermostat, has the possibility to update the setpoint (the desired temperature to keep) according to a schedule (a profile) once per hour.