I tried your code for micropython but getting following error:
File "main.py", line 12, in RCtime
TypeError: can't convert str to int
Line 12 is as follows:
data = Pin(RCpin, mode=Pin.IN, pull=Pin.PULL_DOWN)
Not sure what happens here, any advice?
Search found 83 matches
- Sat Oct 19, 2019 11:52 am
- Forum: WiPy and CC3200 boards
- Topic: MicroPython port of photocell reader
- Replies: 3
- Views: 40637
- Tue Jul 09, 2019 8:28 am
- Forum: Hardware Projects
- Topic: Greenhouse door opener
- Replies: 3
- Views: 3924
Greenhouse door opener
I would like to motorize door opening in greenhouse, based on inside temperature. Googled for similar project, but can not find one. Has anyone done some door opener? Was thinking of printing some angled rack and pinion that could be turned by stepper motor, which would be controlled by ESP32. The c...
- Sat Apr 20, 2019 6:31 pm
- Forum: General Discussion and Questions
- Topic: Safety of KY-019 relay
- Replies: 4
- Views: 3189
Re: Safety of KY-019 relay
Thank you valuable response. I intend to use ESP32 with sensors and relay switch conected to it. Micropyhon as SW. Node Red to check temp every 10min and, if below threshold, Node Red sends mqtt to switch on heater for 5 min. Intend to test prior bringing plants, as I do have monitoring of temp alre...
- Sat Apr 20, 2019 4:49 pm
- Forum: General Discussion and Questions
- Topic: Safety of KY-019 relay
- Replies: 4
- Views: 3189
Safety of KY-019 relay
I intend to use KY-019 5V One 1 Channel Relay Module to switch on and off 2KW air heater. This is supposed to run during night, when sensors in my greenhouse would indicated that temp is below set threshold. It says it can handle up to 250V 10A, so seem to be not exceeding capabilities, but rather c...
- Fri Apr 12, 2019 2:39 pm
- Forum: ESP32 boards
- Topic: ESP32 sensors for greenhouse
- Replies: 2
- Views: 1965
Re: ESP32 sensors for greenhouse
Good point, but I have too many available inputs on ESP32, so thought will be easier to control and code it
- Fri Apr 12, 2019 1:30 pm
- Forum: ESP32 boards
- Topic: ESP32 sensors for greenhouse
- Replies: 2
- Views: 1965
ESP32 sensors for greenhouse
I have made drawing for intended new PCB that will hold several sensors to monitor temperature at various locations of greenhouse and one switch that will control heater (when temperature drops below set during the night). I would appreciate your comments, suggestions on Additional elements like cap...
- Mon Mar 18, 2019 3:12 pm
- Forum: General Discussion and Questions
- Topic: Developing PCB layout
- Replies: 6
- Views: 5658
Re: Developing PCB layout
Thanks, I do have basic understanding from school, just like you described: (Like what is a resistor, what is a capacitor? Basic laws, like U = R * I and stuff like that?). I did also soldered several projects, but only following predefined set of components and layout. I have read about Fritzing an...
- Mon Mar 18, 2019 11:51 am
- Forum: General Discussion and Questions
- Topic: Developing PCB layout
- Replies: 6
- Views: 5658
Developing PCB layout
I know this is not direct Micropython question, but related. I do not have knowledge about PCB layout build up. I follow instructions I find online, add capacitors, resistors or other elements as described. However I do not have understanding why do we need them and if I can use element with slightl...
- Tue Feb 26, 2019 1:00 pm
- Forum: General Discussion and Questions
- Topic: ESP32 loosing connection to mqtt server
- Replies: 2
- Views: 3758
ESP32 loosing connection to mqtt server
I am using Micropython on ESP32 board that has few sensors connected. The task for ESP32 is to read sensors and send data to MQTT server. I got it all working, however process used do stop unexpectedly. Sometimes it happens once a week, sometimes it kept stable for few weeks. I was only guessing tha...
- Tue Feb 26, 2019 12:14 pm
- Forum: ESP32 boards
- Topic: uPyCraft looses connection to ESP32
- Replies: 13
- Views: 10661
Re: uPyCraft looses connection to ESP32
Not sure I follow your solution... boot.py should remain unchanged on ESP32 board. Were are you renaming it and why?