# Micropython **URL:** https://forum.core-electronics.com.au/c/general/micropython-australia/35.md?page=1 [Latest](https://forum.core-electronics.com.au/latest.md) · [Categories](https://forum.core-electronics.com.au/categories.md) **Page:** 2 --- ## [Pyboard v1.1 serial repl unresponsive](https://forum.core-electronics.com.au/t/pyboard-v1-1-serial-repl-unresponsive/6555)
**Author:** [@r32ando](https://forum.core-electronics.com.au/u/r32ando)\ **Replies:** 1\ **Last updated:** [8 October 2019 21:40 UTC](https://forum.core-electronics.com.au/t/pyboard-v1-1-serial-repl-unresponsive/6555 "2019-10-08T21:40:05Z")
Hi All, just getting my feet wet with the Pyboard v1.1. When I connect to the Pyboard through Putty, the putty interface is unresponsive. The cursor does nothing, the keys do nothing, the return key does noting. Im run… --- ## [Wifi problem on LoPy4](https://forum.core-electronics.com.au/t/wifi-problem-on-lopy4/6159)
**Author:** [@Rama95504](https://forum.core-electronics.com.au/u/Rama95504)\ **Replies:** 2\ **Last updated:** [21 August 2019 01:03 UTC](https://forum.core-electronics.com.au/t/wifi-problem-on-lopy4/6159 "2019-08-21T01:03:35Z")
Hi everyone. Thanks in advance to any help you can give me. I have an LoPy4 about a week ago and it usually have an wifi connection. But yesterday I can’t find that wifi from the LoPy4 and I have no idea. Could anyone h… --- ## [Lopy4 deepsleep power too high](https://forum.core-electronics.com.au/t/lopy4-deepsleep-power-too-high/6115)
**Author:** [@Edmond34442](https://forum.core-electronics.com.au/u/Edmond34442)\ **Replies:** 1\ **Last updated:** [18 August 2019 22:24 UTC](https://forum.core-electronics.com.au/t/lopy4-deepsleep-power-too-high/6115 "2019-08-18T22:24:13Z")
I purchased a Pycom4 and Pytrack to see if I could use it for GPS tracking. I followed the tutorial on the Core Electronics site. However I’m having difficulties putting the Pycom module to sleep using deepsleep. When t… --- ## [Finished my first IOT project:)](https://forum.core-electronics.com.au/t/finished-my-first-iot-project/6119)
**Author:** [@Jon13024](https://forum.core-electronics.com.au/u/Jon13024)\ **Replies:** 0\ **Last updated:** [18 August 2019 03:52 UTC](https://forum.core-electronics.com.au/t/finished-my-first-iot-project/6119 "2019-08-18T03:52:49Z")
Well its been a long time coming, but Ive finally got around to finishing my first LORAWAN IOT project:) Its basic, but important to me - two DS18B20 temperature sensors, one for Air Temp and another for Soil Temp, a Li… --- ## [Storing and retrieving data in array's... I think!](https://forum.core-electronics.com.au/t/storing-and-retrieving-data-in-arrays-i-think/6024)
**Author:** [@Jon13024](https://forum.core-electronics.com.au/u/Jon13024)\ **Replies:** 2\ **Last updated:** [5 August 2019 22:15 UTC](https://forum.core-electronics.com.au/t/storing-and-retrieving-data-in-arrays-i-think/6024 "2019-08-05T22:15:20Z")
Guys, I think I need help with arrays. Im working with the ADS1115 and have started to think about the Gain function, specifically how I can code it efficiently. Essentially, the Gain is set based upon a maximum input… --- ## [Downlink from TTN to LoPy4 - Buffer too small error?](https://forum.core-electronics.com.au/t/downlink-from-ttn-to-lopy4-buffer-too-small-error/5621)
**Author:** [@Jon13024](https://forum.core-electronics.com.au/u/Jon13024)\ **Replies:** 5\ **Last updated:** [19 June 2019 11:41 UTC](https://forum.core-electronics.com.au/t/downlink-from-ttn-to-lopy4-buffer-too-small-error/5621 "2019-06-19T11:41:22Z")
Guys, Apologies for yet another post. I figured it would be best to put this in a seperate thread. I want to be able to send a byte from TTN to my LoPy4, read it and then process it. My code on the LoPy4 follows the … --- ## [LoPy4 and Deep Sleep Questions](https://forum.core-electronics.com.au/t/lopy4-and-deep-sleep-questions/5436)
**Author:** [@Jon13024](https://forum.core-electronics.com.au/u/Jon13024)\ **Replies:** 10\ **Last updated:** [19 June 2019 00:26 UTC](https://forum.core-electronics.com.au/t/lopy4-and-deep-sleep-questions/5436 "2019-06-19T00:26:23Z")
Hi guys, Apologies if this is in the wrong section. As some might know Im new to MicroPython and the Pycom boards… but eager to learn more:) I am currently playing with machine.deepsleep() - Details here: https://docs… --- ## [S.send(data1, data2, data3) to TTN on LoPy4](https://forum.core-electronics.com.au/t/s-send-data1-data2-data3-to-ttn-on-lopy4/5479)
**Author:** [@Jon13024](https://forum.core-electronics.com.au/u/Jon13024)\ **Replies:** 8\ **Last updated:** [8 June 2019 00:13 UTC](https://forum.core-electronics.com.au/t/s-send-data1-data2-data3-to-ttn-on-lopy4/5479 "2019-06-08T00:13:51Z")
Guys, Not really sure where to post this but Im seeking help again… Following on from this: and this: and this: https://core-electronics.com.au/tutorials/encoding-and-decoding-payloads-on-the-things-network.html I… --- ## [MicroPython for bluetooth streaming from USB](https://forum.core-electronics.com.au/t/micropython-for-bluetooth-streaming-from-usb/5475)
**Author:** [@Thomas88253](https://forum.core-electronics.com.au/u/Thomas88253)\ **Replies:** 6\ **Last updated:** [4 June 2019 05:37 UTC](https://forum.core-electronics.com.au/t/micropython-for-bluetooth-streaming-from-usb/5475 "2019-06-04T05:37:19Z")
I am new to microPython. I need to build a converter for a USB streaming device to Bluetooth. A co-worker recommends me it will do the job. I need to get some ideas that whether it a true good option and how to it can be… --- ## [Addressing two DS18x20 Temperature Sensor's on LoPy4](https://forum.core-electronics.com.au/t/addressing-two-ds18x20-temperature-sensors-on-lopy4/5444)
**Author:** [@Jon13024](https://forum.core-electronics.com.au/u/Jon13024)\ **Replies:** 13\ **Last updated:** [3 June 2019 00:20 UTC](https://forum.core-electronics.com.au/t/addressing-two-ds18x20-temperature-sensors-on-lopy4/5444 "2019-06-03T00:20:37Z")
Guys Im in over my head and need some assistance please!! Following on from my LoPy4 adventures I now want to address two DS18x20 temperature sensors (air & soil temperatures), connected to the same GPIO. I have done m… --- ## [Best Practice? LoRaWAN and time.sleep or machine.deepsleep?](https://forum.core-electronics.com.au/t/best-practice-lorawan-and-time-sleep-or-machine-deepsleep/5448)
**Author:** [@Jon13024](https://forum.core-electronics.com.au/u/Jon13024)\ **Replies:** 1\ **Last updated:** [29 May 2019 23:48 UTC](https://forum.core-electronics.com.au/t/best-practice-lorawan-and-time-sleep-or-machine-deepsleep/5448 "2019-05-29T23:48:49Z")
A quick question re best practice, or perhaps least power draw when using the LoPy4, TTN and sleep. Assuming my code needs to connects to TTN, read a temperature, upload result and then sleep for a few hours before waki… --- ## [LoPy 4.0 connection w/ Atom+PyMakr (or VSCode+PyMakr) or or (PyMakr IDE)](https://forum.core-electronics.com.au/t/lopy-4-0-connection-w-atom-pymakr-or-vscode-pymakr-or-or-pymakr-ide/3768)
**Author:** [@CustomIoT](https://forum.core-electronics.com.au/u/CustomIoT)\ **Replies:** 4\ **Last updated:** [29 May 2019 23:12 UTC](https://forum.core-electronics.com.au/t/lopy-4-0-connection-w-atom-pymakr-or-vscode-pymakr-or-or-pymakr-ide/3768 "2019-05-29T23:12:11Z")
Hi, I’m having trouble reliably connecting via an IDE to my LoPy device via the remote terminal via USB serial using REPL console. I recall at the TTN Maker group last week that Graham mentioned he’d experienced an upg… --- ## [Utime vs time and ubinascii vs binascii](https://forum.core-electronics.com.au/t/utime-vs-time-and-ubinascii-vs-binascii/5437)
**Author:** [@Jon13024](https://forum.core-electronics.com.au/u/Jon13024)\ **Replies:** 3\ **Last updated:** [29 May 2019 00:50 UTC](https://forum.core-electronics.com.au/t/utime-vs-time-and-ubinascii-vs-binascii/5437 "2019-05-29T00:50:40Z")
Apologies if this is a silly question. Ive spent a good amount of time looking at code examples for the Pycom boards. Many examples seem to import and use time or utime and similarly ubinascii or binascii to achieve th… --- ## [Using Multiple Sensors with a button using CircuitPython](https://forum.core-electronics.com.au/t/using-multiple-sensors-with-a-button-using-circuitpython/5135)
**Author:** [@Claire85272](https://forum.core-electronics.com.au/u/Claire85272)\ **Replies:** 1\ **Last updated:** [23 April 2019 05:41 UTC](https://forum.core-electronics.com.au/t/using-multiple-sensors-with-a-button-using-circuitpython/5135 "2019-04-23T05:41:48Z")
Hi Guys. I have received my Circuit Playground Express and strip lighting in the mail. I have managed to get quite a few of the sensors working and my lights to work now. However, I was hoping to have a few different mo… --- ## [How to change text size on OLED display - Wipy 3.0 - micropython](https://forum.core-electronics.com.au/t/how-to-change-text-size-on-oled-display-wipy-3-0-micropython/4644)
**Author:** [@Marco81466](https://forum.core-electronics.com.au/u/Marco81466)\ **Replies:** 2\ **Last updated:** [4 March 2019 00:09 UTC](https://forum.core-electronics.com.au/t/how-to-change-text-size-on-oled-display-wipy-3-0-micropython/4644 "2019-03-04T00:09:16Z")
Hello, I am working with a Wipy 3.0 and and OLED display 128x64 using the I2C interface. At the moment I can display texts on the display without any problems, but I would like to change the text size. The library meth… --- ## [TTN Mapper Code](https://forum.core-electronics.com.au/t/ttn-mapper-code/4444)
**Author:** [@Peter79020](https://forum.core-electronics.com.au/u/Peter79020)\ **Replies:** 2\ **Last updated:** [31 January 2019 03:55 UTC](https://forum.core-electronics.com.au/t/ttn-mapper-code/4444 "2019-01-31T03:55:22Z")
Got the TTN Battery Voltage tutorial running and managed to do some TTN Mapping but this code writes every 10 seconds. Great for mapping but am I going to cause myself issue by sending so many messages. I tried to see i… --- ## [Pycom Wipy 3.0 read PROP\_NOTIFY](https://forum.core-electronics.com.au/t/pycom-wipy-3-0-read-prop-notify/3803)
**Author:** [@Luke58110](https://forum.core-electronics.com.au/u/Luke58110)\ **Replies:** 6\ **Last updated:** [9 November 2018 02:55 UTC](https://forum.core-electronics.com.au/t/pycom-wipy-3-0-read-prop-notify/3803 "2018-11-09T02:55:50Z")
Hi Everyone. Thanks in advance to any help you can give me. I just received my Wipy 3.0 and Track on Friday. I watched Chris’ awesome videos Saturday morning and got lat long and modified the class to give me atomic clo… --- ## [Urllib.urequest, APi use and JSON decoding of OpenWeatherMap](https://forum.core-electronics.com.au/t/urllib-urequest-api-use-and-json-decoding-of-openweathermap/2957)
**Author:** [@Damien56730](https://forum.core-electronics.com.au/u/Damien56730)\ **Replies:** 1\ **Last updated:** [19 June 2018 23:01 UTC](https://forum.core-electronics.com.au/t/urllib-urequest-api-use-and-json-decoding-of-openweathermap/2957 "2018-06-19T23:01:02Z")
We have temperature from the sensor, but it would be good to know what the weather is like now from an Application Programming Interface (API). Head over to the website: http://www.openweathermap.org to see for yourself… --- ## [ESP8266 DHT11 web server](https://forum.core-electronics.com.au/t/esp8266-dht11-web-server/2891)
**Author:** [@Damien56730](https://forum.core-electronics.com.au/u/Damien56730)\ **Replies:** 2\ **Last updated:** [13 June 2018 03:01 UTC](https://forum.core-electronics.com.au/t/esp8266-dht11-web-server/2891 "2018-06-13T03:01:09Z")
Had some time over the long weekend to explore what fun you can have with micropython and a DHT11 sensor. Enjoy. import time import ntptime import machine import dht import socket try: ntptime.settime() print(‘sy… [Previous page](https://forum.core-electronics.com.au/c/general/micropython-australia/35.md)