Search found 76 matches

by IHOXOHI
Mon Aug 03, 2020 7:09 pm
Forum: General Discussion and Questions
Topic: check lipo battery level?
Replies: 5
Views: 105

Re: check lipo battery level?

Yop,
I tested with just 2 resistors of 10K for try something quicly. For moment, it looks perfect.

The count of my adc passed slowly, and clearly from 2449 to 2380 for 4 hours.

I will test with a zen diode too...

THANKS.
by IHOXOHI
Mon Aug 03, 2020 11:08 am
Forum: General Discussion and Questions
Topic: check lipo battery level?
Replies: 5
Views: 105

Re: check lipo battery level?

Thanks.

I will try...

All the best.
by IHOXOHI
Sun Aug 02, 2020 2:56 pm
Forum: General Discussion and Questions
Topic: check lipo battery level?
Replies: 5
Views: 105

check lipo battery level?

Hi, I would like use a pybstick from mchobby shop in a mobil way, so with a battery... On this board, there isn't a vbat pin... So I have connected a lipo battery of 3.7V - 400mAh on the vin pin... Powering is ok, and reload too... But it's not perfect, I can't known battery level for save the batte...
by IHOXOHI
Sun Aug 02, 2020 2:42 pm
Forum: General Discussion and Questions
Topic: simple USB interface using esp32?
Replies: 1
Views: 59

Re: simple USB interface using esp32?

Hi,

have you seen installation guide on esp32 in micropython doc?
http://docs.micropython.org/en/latest/e ... ckref.html

good luck...
by IHOXOHI
Sat Aug 01, 2020 1:50 pm
Forum: Drivers for External Components
Topic: VS1053b audio drivers: play music, speech or sound FX
Replies: 15
Views: 1178

Re: VS1053b audio drivers: play music, speech or sound FX

Hey!!!

I have received the same amplificator, and I have added a good microphone for voice...

That's amazing!!!

The record is perfect!
I can hear clearly a person in a room... Accuracy is awsome.

GOOOOD JOB.

All the best.
by IHOXOHI
Mon Jul 27, 2020 5:06 pm
Forum: Drivers for External Components
Topic: MQ sensors
Replies: 7
Views: 301

Re: MQ sensors

The subject is finally closed... I have received my professional LPG sensor... It's not possible to doesn't have influences of differents gas on mq sensor. So, you can't measure other thing than all gas of the sensor. For LPG gas, you can have an approximative value but for CO ; it's crazy. For dete...
by IHOXOHI
Mon Jul 27, 2020 1:24 pm
Forum: Drivers for External Components
Topic: Pimoroni Trackball breakout (PIM447)
Replies: 4
Views: 201

Re: Pimoroni Trackball breakout (PIM447)

Finally, springton hat work fine. I don't know what happened when I tested it...
It's perfect with the pyb405 which has real interest. For example, I use it with epaper (for raspberry) and the trackball for command display text... Beautifull and perfectly convinient.

Thanks.
by IHOXOHI
Sun Jul 26, 2020 8:26 am
Forum: ESP32 boards
Topic: [SOLVED] Drive WaveShare 2.7 inch e-Paper
Replies: 8
Views: 392

Re: Drive WaveShare 2.7 inch e-Paper

Ok, so It seems that the problem come from the spi command on esp32 implicate a mosi and miso pins, althoug there is only a din pin on your epaper. So for me, you could try this: sck = Pin(0) miso = Pin(4) mosi = Pin(2) dc = Pin(25) cs = Pin(5) rst = Pin(18) busy = Pin(19) spi = SPI(baudrate=2000000...
by IHOXOHI
Fri Jul 24, 2020 3:16 pm
Forum: Drivers for External Components
Topic: VS1053b audio drivers: play music, speech or sound FX
Replies: 15
Views: 1178

Re: VS1053b audio drivers: play music, speech or sound FX

yep, The audioskin use i2C, no pin for headphone. I tried the pin "X22" without success for microphone. So, it looks impossible to adapt audioskin to VS1053... I tried 200 secondes of duration, and everything is right. So no limitation of time... Wonderfull! The noise is a little bit problematic for...