Search found 46 matches

by philwilkinson40
Fri Oct 19, 2018 12:59 am
Forum: ESP32 boards
Topic: New Lolin D32 Pro with 4MB PSRAM
Replies: 42
Views: 3365

Re: New Lolin D32 Pro with 4MB PSRAM

Has anyone had problems with the LiPo connection on D32Pro? I have been running along fine with USB serial power. I get a decent reading at the battery terminals on the board, but nothing further in. Even VBAT has nothing ?!? I have a Lolin32 Pro V1.0.0 (with apparently the same battery circuit) whi...
by philwilkinson40
Wed Oct 17, 2018 11:45 pm
Forum: General Discussion and Questions
Topic: best way to store datestamps in upython
Replies: 4
Views: 99

Re: best way to store datestamps in upython

thanks @jickster and @pythoncoder for responding. The use case at present is simply recording a timestamp on an uSD card. At some point this uSD will be retrieved and data extraction and manipulation will outside the system. So I suppose I meant that 'optimising' means simple, efficient in time and ...
by philwilkinson40
Wed Oct 17, 2018 11:14 am
Forum: General Discussion and Questions
Topic: best way to store datestamps in upython
Replies: 4
Views: 99

best way to store datestamps in upython

This is a general question from a novice. What is the optimal approach (in Micropython) to store a series of timestamps? My use case is a bike counter. A radar sensor triggers a Pin on the rising edge of a ESP32 dev board, waking it from DeepSleep. I am recording the time of the external Pin interru...
by philwilkinson40
Sun Oct 14, 2018 8:49 am
Forum: Drivers for External Components
Topic: TinyRTC I2C Module DS1307 + AT24C32N
Replies: 13
Views: 563

Re: TinyRTC I2C Module DS1307 + AT24C32N

continuity appeared fine. With a more detailed search around I found others complaining of similar problems . In common with the author of the link, the D1 diode was defective on both my shields. I removed the diode and resistor R5 completely and the RTC module now works. As the IC appears to be ok ...
by philwilkinson40
Fri Oct 12, 2018 7:11 am
Forum: Drivers for External Components
Topic: TinyRTC I2C Module DS1307 + AT24C32N
Replies: 13
Views: 563

Re: TinyRTC I2C Module DS1307 + AT24C32N

similar but not the same!
2a.jpg
2a.jpg (4.54 KiB) Viewed 56 times
2b.jpg
2b.jpg (5.12 KiB) Viewed 56 times
by philwilkinson40
Fri Oct 12, 2018 2:42 am
Forum: Drivers for External Components
Topic: TinyRTC I2C Module DS1307 + AT24C32N
Replies: 13
Views: 563

Re: TinyRTC I2C Module DS1307 + AT24C32N

it was 2.85V, so I put in a brand new CR1220 which read over 3V. Unfortunately this has the same result.
I repeated this on a second tiny RTC clone with the same outcome.
Phil
by philwilkinson40
Thu Oct 11, 2018 11:02 am
Forum: Drivers for External Components
Topic: TinyRTC I2C Module DS1307 + AT24C32N
Replies: 13
Views: 563

Re: TinyRTC I2C Module DS1307 + AT24C32N

sorry to add to an old thread, but it seems relevant. I am using a clone TinyDS1307 with a WEMOS D1 mini Pro ESP8266. All works well but the RTC time does not survive a power reset. setting ds.halt(False) has the same outcome. I have tried the same code with the uRTC driver too with the same result....
by philwilkinson40
Fri Aug 10, 2018 9:36 am
Forum: Programs, Libraries and Tools
Topic: rshell connecting to Pycom boards using Pybytes firmware
Replies: 0
Views: 160

rshell connecting to Pycom boards using Pybytes firmware

This question relates to using Rshell tool with Pycom boards flashed with Pybytes firmware. I recently started using Pycom's Pybytes firmware on a Pycom devboard (LoPy) and unfortunately Rshell is no longer able to connect. ls /dev/tty* returns the correct port. However rshell --buffer-size=30 -a -p...
by philwilkinson40
Tue Jul 24, 2018 10:50 pm
Forum: Programs, Libraries and Tools
Topic: MicroPython IDE
Replies: 12
Views: 1036

Re: MicroPython IDE

I think the lack of a strong IDE is a real barrier to entry to using Micropython (particularly for beginners). As a hacker-level maker (non commercial) I personally use Atom on linux Ubuntu to write code and manage small projects. I can also directly interface with the REPL using Pycom's PYMAKR Atom...
by philwilkinson40
Fri Jul 20, 2018 3:57 am
Forum: ESP8266 boards
Topic: Cant access REPL
Replies: 3
Views: 211

Re: Cant access REPL

OK @chromecat step by step: 1) when you installed the firmware using esptool.py what message was displayed in the Terminal? Did you erase_flash first before you write flash the firmware? What speed (baudrate) did you use? Try it at 115200. 2) How are you trying to access REPL? Using PUTTY on Windows...