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2022-05-22 9:11 pm
I am still working on my Model Railway layout and I eventually got one section to control Points and Aspect signals when a train is detected and allowed to past on a route I select ... but now the original section is going to get a make over with another Mimic panel which has 40 Bi-Colour Leds on it and is using a Nano's I2C bus connected to 6 x MCP23017 devices and I am using all 96 IO ports for Inputs and outputs, the devies are all mounted on a PCB I designed using Eagle Cad and is the size of A4, it also has 20 push buttons for point and route selection, I have yet to write the sketch and is going to be a challenge but once I have the first Switch Case it will just be a copy and paste and modify content ...
I did make provision for a Nano, an ESP32 and a standalone Atmega328P ... not sure which yet but the Atmega328P is a contender ..
This topic was modified 2 years ago 2 times by John40131
2022-05-23 3:10 pm
I'm a big fan of the ESP8266. The CPU power of nearly 10x Atmega 328 with WiFi ability and cheaper too. You could host a web server on it and all your fantastic track switching could be duplicated virtually on a web app to control and see details of what's going on on a cell phone or a big screen TV and everything in-between.
Do you have the train set up already or drawings you can share?
3 lines of code = InqPortal = Complete IoT, App, Web Server w/ GUI Admin Client, WiFi Manager, Drag & Drop File Manager, OTA, Performance Metrics, Web Socket Comms, Easy App API, All running on ESP8266...
Even usable on ESP-01S - Quickest Start Guide
Inst-Tech reacted
2022-05-23 4:28 pm
@inq Yes, but the ESP32 has all that plus a LOT more GPIO.
Arduino says and I agree, in general, the const keyword is preferred for defining constants and should be used instead of #define
"Never wrestle with a pig....the pig loves it and you end up covered in mud..." anon
My experience hours are >75,000 and I stopped counting in 2004.
Major Languages - 360 Macro Assembler, Intel Assembler, PLI/1, Pascal, C plus numerous job control and scripting
2022-05-23 6:51 pm
@inq Yes, but the ESP32 has all that plus a LOT more GPIO.
All true and wouldn't cost that much more than the esp8266. It was just MY preference as I have code that works on the esp8266. But @john40131's custom board... Sounds like it has far more pin capability than any of them and is fully controlled by i2c... Thus only needing 2 pins of the mpu.
3 lines of code = InqPortal = Complete IoT, App, Web Server w/ GUI Admin Client, WiFi Manager, Drag & Drop File Manager, OTA, Performance Metrics, Web Socket Comms, Easy App API, All running on ESP8266...
Even usable on ESP-01S - Quickest Start Guide
2022-05-23 6:54 pm
@inq Yes, his expander boards make that difference pretty much irrelevant. BTW, how is the INQ port to ESP32 coming?
Arduino says and I agree, in general, the const keyword is preferred for defining constants and should be used instead of #define
"Never wrestle with a pig....the pig loves it and you end up covered in mud..." anon
My experience hours are >75,000 and I stopped counting in 2004.
Major Languages - 360 Macro Assembler, Intel Assembler, PLI/1, Pascal, C plus numerous job control and scripting