Search found 4 matches

by henkjan_nl
Mon Jan 04, 2021 7:29 pm
Forum: Hardware
Topic: Advice on hardware connection
Replies: 3
Views: 4123

Re: Advice on hardware connection

Thanks for this reply too.

I'll both consider Kicad and Easyeda.

The idea of designing a full board based on reference designs is indeed very tempting. I think I will choose a 'phased' approach first making a simple cross connection board and, if that works, go for the full monty.

I like the ...
by henkjan_nl
Sun Jan 03, 2021 8:02 pm
Forum: Hardware
Topic: SD Card bringing the SPI bus down?
Replies: 3
Views: 3635

Re: SD Card bringing the SPI bus down?

Hi

Thanks, very helpful advice, and quite silly of me. I tried today, but I think there may be something wrong with the micro SD board itself:

either setting GPIO 26 high or low did not resolve the problem
removing the micro SD card did not resolve the problem. Since the board itself contains ...
by henkjan_nl
Fri Jan 01, 2021 8:32 pm
Forum: Hardware
Topic: Advice on hardware connection
Replies: 3
Views: 4123

Advice on hardware connection

Hi,

I am a mechanical engineer seeking mechanical advice :oops: .

I'm developing a handheld GPS which should meet my following requirements:
1. compact
2. robust
3. easy to assemble

The device contains the following components:
1. ESP32 board (MH-ET Live Mini)
2. 3.2" touch screen
3. Beitian BN ...
by henkjan_nl
Fri Jan 01, 2021 7:47 pm
Forum: Hardware
Topic: SD Card bringing the SPI bus down?
Replies: 3
Views: 3635

SD Card bringing the SPI bus down?

Hi,

I'm working on a long term home project building a handheld GPS with touch screen.

I have connected three devices joining the VSPI bus:
- 3.2" TFT screen: Chip select GPIO 5
- Resistive touch panel: Chip select GPIO 16, also using IRQ on GPIO 13
- Micro SD card (6 pin type, 3.3V): Chip ...

Go to advanced search