- • WiFi with external long range antenna. • Color LCD touch screen. • Speaker with audio amp. • DIN Enclosure for easy rail or panel mount.
- • Six high-power relays, DPST, safety fused • Eight protected digital outputs with open collector drivers • Eight protected opto-isolated digital inputs 3-24V AC/DC • Eight 10-bit ADC input channels
- • Clock calendar for scheduling • RS-232 for long distance wired communication • Expanded 128Mb FLASH • 4GB SD card (expandable, great for logging)
- • Expanded 128Mb + 4GB FLASH memory. • SD card slot. (great for logging)
- • Super easy to use and program.
WiFi enabled PLC for the IoT. Powerful and durable yet fully Ardino compatible.
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Get a custom controller that does exactly what you need. This full-featured industrial PLC gives you industrial durability with the simplicity of Arduino. Easily craft your own control programs.
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-Very easy to program. I knew Arduino before I bought this, but it is very easy to learn even if you aren't that experienced with programming.
-Took me about a day to get the LCD and Touch screen and SD card integrated into the code. I still haven't gotten the WIFI to work though. you really gotta know a lot about the ESP8266, how to flash it, update firmware, how to get the Arduino and ESP to communicate, etc.. U should probably learn LUA if u want to use the ESP8266.
-You should be familiar with circuitry too if you are going to use this, how transistors and relays work. i.e. should know what they mean by open-collector outputs. Doesn't send any current out, just connects things to ground so power comes from external power supplies.
-I would give it a 5 star if the wifi was easier. spend a whole day trying to communicate to the esp, and load new code but still haven't gotten it down.
I gave it 4 stars because I think it's marketed towards the Arduino crowd. For that purpose it's great, especially if you KNOW how to program an Arduino and not just copy sketches from the internet. And there is a lot of hardware crammed inside for the money. I had actually made units like this for my own purposes and they cost me much more than what this selling for.
I have three suggestions in the future:
1. I am using TTL instead of RS232 by removing the Sipex 202 and jumpering. If I could make one suggestion it would be to have a jumper on the board. Either a header or solderable jumper for bypassing the RS232 transceiver. Not a big deal at all, just a suggestion.
2. Breakout the RST line so it can be reset externally.
3. Breakout a 5v line to power switches, external display, etc.
Overall, for the price and what it does, I am very happy
Avoid them at all cost, you will be disappointed in the their quality. even for mediocre. Will be going with controlluino, instead.
This came out to be a simple ESP which is connected to Arduino mega. Save yourself trouble of programming two boards(programming the nodemcu - documentation is sparse and wrong) and get something simpler.
I've been using the Arduino runtime for a few years and also Digital Loggers power cyclers for several years.
These units are great. They have an easily accessible ESP8266 for WiFi, an ATMEGA2650 for I/O and, tons of it !
I have two of these and I'm using one right now to control my deck lights on a rather large (2000sq ft) deck via a phone app.
Programming the 8266 is pretty easy, but you'll need some know how if. I go through the header with some jumper wires to the a FTDI breakout board from Sparkfun. You can plug/unplug DI0 and power manually to get it into programming mode and download using the Arduino IDE. EASY !
It comes with a LUA interpreter, so I guess you can just upload your own scripts. I got rid of it and uploaded my own Ardunio based ESP8266 app. I bricked it once, but found an easy to follow un-brick online. This thing is bullet proof.
Programming the ATMEGA is as easy as plugging in the USB connector and hitting the upload button.
Grab the PLDuino library and you're up and running really quickly.
I've used the provided drivers for I/O and LCD so far and have not run into any problems.
These things are awesome, get one !