Search found 317 matches

by loboris
Sat Oct 06, 2018 8:21 am
Forum: General Discussion and Questions
Topic: Use micropython to do dead simple "over-the-air" code updates
Replies: 34
Views: 3504

Re: Use micropython to do dead simple

jickster wrote:
Sat Oct 06, 2018 5:26 am
Updating the firmware of micropython cannot be done while running micropython.
On ESP32 boards it is an easy process and it is implemented in my MicroPython port.
by loboris
Tue Sep 18, 2018 6:31 am
Forum: Drivers for External Components
Topic: GPS Module Gyneo6mv2
Replies: 4
Views: 884

Re: GPS Module Gyneo6mv2

by loboris
Sun Sep 16, 2018 7:03 pm
Forum: General Discussion and Questions
Topic: microPython board with GPS and GSM/GPRS/LTE ?!?
Replies: 5
Views: 1436

Re: microPython board with GPS and GSM/GPRS/LTE ?!?

You can easily use any ESP32 board (or other MicroPython boards) with any of GSM/GPRS/3G/GPS mini dev boards like SIM5380E , SIM808 , SIM868 ... They are cheap and works wery well (on some you have to be carefull with Tx/Rx levels). Only Tx, Rx, GND and power are needed to interface them. I've teste...
by loboris
Wed Sep 12, 2018 9:41 am
Forum: Other Boards
Topic: [ESP32] New dev board
Replies: 48
Views: 4344

Re: [ESP32] New dev board

@seonr The modules are quite expensive, I don't understand why would shipping to Australia be so much higher than to the rest of the world. I've got 10 pieces for 67.4 US$ and FREE SHIPPING (to EU). Another disign issue I've noticed. You are routing pin #16 to the board connector. This pin is used a...
by loboris
Wed Sep 12, 2018 9:13 am
Forum: Other Boards
Topic: [ESP32] New dev board
Replies: 48
Views: 4344

Re: [ESP32] New dev board

... Adding components on the second side makes assembly super painful... I agree. However, if the micro module is used you could place it as the only component on the bottom side and have the full upper side area free for other componnents. That should be easy to assemble. It's just an idea, I full...
by loboris
Wed Sep 12, 2018 7:55 am
Forum: Other Boards
Topic: [ESP32] New dev board
Replies: 48
Views: 4344

Re: [ESP32] New dev board

@seonr I think WiFi will not work well with your current board design (the antenna layout!). Maybe you could use a small (13.1x18x8 mm) ESP32-Micro module (or the shielded version ) to avoid antenna problems. The board would have a simpler design (with maybe more componnents on the bottom side, psRA...
by loboris
Mon Sep 10, 2018 9:36 pm
Forum: Other Boards
Topic: [ESP32] New dev board
Replies: 48
Views: 4344

Re: [ESP32] New dev board

It may be difficult (if not impossible without modifing esp-idf sources) to connect external SPIRAM to ESP32-PICO-D4 even it there is enough room on the board.
It uses GPIOs 16&17 for internal Flash and those pins are used by esp-idf to drive the external SPIRAM.
by loboris
Sun Sep 09, 2018 9:46 pm
Forum: Other Boards
Topic: [ESP32] New dev board
Replies: 48
Views: 4344

Re: [ESP32] New dev board

What is it you don't like about the LDO?? AMS1117 used on ESP32-PICO-KIT has quiescent current of 5 (11 max) mA and the board can hardly be used for testing/using low power applications (with ESP32 in deep sleep). There are some other LDOs with much smaller qc (e.g. HT7833 4 uA (7 max), or some swi...
by loboris
Sun Sep 09, 2018 4:53 pm
Forum: Other Boards
Topic: [ESP32] New dev board
Replies: 48
Views: 4344

Re: [ESP32] New dev board

If the board is going to be breadboard-friendly the size is not too important (except for the width, so that more bredboard rows remains free). What's wrong with the existing Espressif's ESP32-PICO-KIT Dev. Board which is 20.3x52 mm, available for 9.7 US$ (8.73 US$ if you register), 8.5 € from Mouse...