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A 3-channel fully automated Dew Controller (DIY project) based on Arduino Nano for telescopes. For $48 or less.
(c) Copyright Robert Brown 2014-2025. All Rights Reserved.
Permission is granted for personal and Academic use only. Code or portions of code may not be copied or used without appropriate credit given to author.
A very popular project with over 48,000 downloads.
There is a new ESP32 WiFi version at https://sourceforge.net/projects/esp32-dew-controller/
The older...
myFocuserPro is an ASCOM and Moonlite compatible stepper motor telescope focus controller (DIY) based on Arduino Nano/Uno. A popular DIY ASCOM focuser with more than 121,000+ downloads.
(c) Copyright Robert Brown 2014-2024. All Rights reserved.
Permission is granted for personal and Academic use only.
Spreadsheet to calculate what stepper motor to use.
https://sourceforge.net/projects/arduinoascomfocuserpro2diy/files/Documentation/Nema-Stepper-Motors.xlsx/download
This is an enhanced 4-Channel automated Dew Controller based on an ESP32 WiFi chip on a PCB and enclosed in a project hobby box.
(c) Copyright Robert Brown 2020-2024. All Rights Reserved.Permission is granted for personal and Academic use only. Code or portions of code may not be copied or used without appropriate credit given to author.
EXPANSION BOARDS - You can expand this project using the two types of project expansion boards at
https://sourceforge.net/projects/myesp-boards/
DIY Arduino Boards for IO using port expanders and I2C
DIY Arduino Boards PCF8674 MCP23017 74HC595 CD4021
I2C
Parallel IO
Piezo buzzers
See the Files section for a wide range of sensors and sample code
Schematics
PCB Layout
Sample Code
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Tutorial de como utilizar SDCC con el PIC18F4550. Incluir ejemplos de funciones particulares: adc, spi, i2c, usart, usb, atención a interrupciones etc.