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Home / Older v122
Name Modified Size InfoDownloads / Week
Parent folder
myFP2ESP-123.pdf 2023-09-15 17.2 MB
0
OPERATING MODES.txt 2023-09-15 680 Bytes
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Readme.md 2023-09-15 4.7 kB
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Android TCPIP Application.zip 2023-09-15 2.7 MB
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Android Bluetooth Application.zip 2023-09-15 2.1 MB
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ASCOM Drivers-204.zip 2023-09-15 1.0 MB
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Ascom drivers readme.txt 2023-09-15 657 Bytes
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Windows Application-2-0-3-7.zip 2023-09-15 520.6 kB
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Windows Application Readme.txt 2023-09-15 3.7 kB
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Firmware myFP2ESP-122.zip 2023-09-15 1.6 MB
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Firmware Changes.txt 2023-09-15 8.7 kB
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Totals: 11 Items   25.2 MB 0

myFP2ESP ESP32 and ESP8266 ASCOM based focus controller

(c) Robert Brown, 2014-2020. (c) Holger M, 2019-2020. All rights reserved.

This project is protected by International Copyright Law.
Permission is granted for personal and Academic/Educational use only.
Software distributed under restricted License.

CONTRIBUTIONS

Please contribute to the ongoing development of this project via PayPal and send your donation to user rbb1brown@gmail.com (Robert Brown). All contributions are gratefully accepted.

READY BUILT CONTROLLERS

If you are interested in purchasing a ready built controller please contact the author.

VIDEOS

PCB

ESP8266

ESP32

  • ULN2003 - Gerbers available in PCB Gerber Files
  • DRV8825 - Gerbers available in PCB Gerber Files

myFP2 ESP32/ESP8266 FEATURES

  • myFP2 ESP32/ESP8266 WiFi enabled controller in 3D printed case
  • myFP2ESP Windows Application and network capable ASCOM driver for manual/remote control of focuser
  • Full documentation and test code
  • Support for DRV8825, ULN2003, L298N, L293DMINI, L9110S driver boards
  • Support for ESP8266 L293D Motor Shield
  • Full and Half Stepping for ULN2003, L298N, L293DMINI, L9110S driver boards
  • Temperature Probe
  • OLED display
  • IN/OUT Push Buttons and LED's [ESP32]
  • Infra-red remote controller [ESP32]
  • DRV8825 stepper motor smoother diodes are standard for better micro-stepping performance
  • DRV8825 stepmode set by jumpers [ESP8266] or by software control [ESP32]
  • Backlash in firmware, enable/disable, IN and OUT
  • Temperature compensation support in firmware
  • Three stepper motor speed settings (Slow, Medium, Fast)
  • Step Size, enable/disable, specify step size in microns
  • Up to 8 focuser presets available
  • Controller settings are saved in SPIFFS
  • Controller settings can be saved and restored to/from a file
  • Powred from 12VDC supply, protection via 30V 3A fuse (resettable) PPTC
  • ASCOM Driver
  • Android App
  • Bluetooth App [ESp32]
  • Linux App
  • Windows App

SOFTWARE OPTIONS

  • Access Point mode
  • Station mode (connect to an existing network)
  • Static or dynamic IP configuration
  • DUCKDNS support
  • OTA (over the air) updating
  • Bluetooth mode [ESP32 only]
  • LOCALSERIAL over USB cable [may not work on all boards]
  • WEB SERVER [any web browser on any OS]
  • ASCOM (via ASCOM driver over TCP/IP)
  • Windows application (over TCP/IP)
  • ASCOM REMOTE Server (accessible to any ASCOM REMOTE Client)
  • mDNS support

HARDWARE OPTIONS

Stepper Motor

  • For ULN2003 the 28BYJ48 motor, connector, EMI suppressor, 5V or 12V
  • For DRV8825, NEMA14 0.9° 400 step motor, connector, EMI suppressor
  • For L298N, 28BYJ48 unipolar stepper motor and NEMA bipolar stepper motor

Temperature Probe

  • High quality GX aviation style connection (screw ring lock)
  • Available in 1m or 2m cable lengths
  • Reading can be adjusted via an offset for calibration purposes
  • Precision from 0.5° to 0.0625°
  • Temperature compensation, enable/disable, number of steps per degree, direction

OLED display 0.96” (option for all controllers)

  • Text or graphics mode
  • SSD1306 driver

Push buttons [ESP32]

  • Focuser manual control, IN or OUT

LED’s for IN and OUT [ESP32]

  • Visual indication of IN or OUT stepper motor movements

Infra-red Remote [ESP32]

  • Uses a modified library that works with ESP32
  • Switch speeds
  • Move IN or OUT by different step amounts
  • HX1828NEX Remote Controller

Home Position Switch [ESP32]

  • Activated at fully in position (0 or Home)
  • Requires hardware support
  • Supported on ESP32 Rev4 PCB for DRV8825 and ESP32 Rev2 PCB for ULN2003

NOT SUPPORTED

  • buzzer
  • Jogging
Source: Readme.md, updated 2023-09-15