Search found 21 matches

by Wei Lin
Sun Mar 20, 2022 8:30 am
Forum: ESP32 boards
Topic: ESP32 as a SigmaStudio TCP/IP channel server
Replies: 1
Views: 1200

ESP32 as a SigmaStudio TCP/IP channel server

Hi,

I wrote a Python package to control SigmaDSP with SigmaStudio or Python program, through TCP/IP Channel, using ESP32 as the server.

https://github.com/Wei1234c/TCPi

FYI
by Wei Lin
Tue Mar 08, 2022 3:53 pm
Forum: ESP32 boards
Topic: Signal Generator drivers (for AD9833, AD9834, AD9850, ADF4351)
Replies: 2
Views: 4348

Re: Signal Generator drivers (for AD9833, AD9834, AD9850, ADF4351)

Hi Husyn, All those test code I did on ESP32 are in folders called "uPy", for example : https://github.com/Wei1234c/Signal_Generators/tree/master/codes/test/ad9833/uPy . or, are in Jupyter notebooks with names like ".....with MicroPython Remote.ipynb", for example: https://github.com/Wei1234c/Signal...
by Wei Lin
Mon May 10, 2021 12:45 am
Forum: ESP32 boards
Topic: State of Neopixels for esp32 in May 2020?
Replies: 9
Views: 14988

Re: State of Neopixels for esp32 in May 2020?

My NeoPixels (60 LEDs) had the "twitching" pixels problem. Then I found https://blog.adafruit.com/2017/05/03/psa-the-ws2812b-rgb-led-has-been-revised-will-require-code-tweak/ . Holding data line low for 300 us is required after each np.write(). With MicroPython v1.15, the low-holding time after np.w...
by Wei Lin
Thu Apr 08, 2021 8:07 pm
Forum: ESP8266 boards
Topic: SX127x (LoRa transceiver) driver for (Micro)Python on ESP8266/ESP32/Raspberry_Pi
Replies: 16
Views: 45161

Re: SX127x (LoRa transceiver) driver for (Micro)Python on ESP8266/ESP32/Raspberry_Pi

Hi,

No, I have no connection with MAKERFABS company.

Regards.

Wei
by Wei Lin
Sun Jun 28, 2020 1:54 am
Forum: ESP32 boards
Topic: PC as an ESP32 simulator ?
Replies: 4
Views: 8411

Re: PC as an ESP32 simulator ?

This article explains more on why it is worth doing.
by Wei Lin
Tue Jun 23, 2020 5:16 am
Forum: ESP32 boards
Topic: FM Transceiver drivers (for Si4713, RDA5820N, KT0803L)
Replies: 0
Views: 1853

FM Transceiver drivers (for Si4713, RDA5820N, KT0803L)

FM Transceivers https://1.bp.blogspot.com/-wt-RUElBgok/XvF99GXBK6I/AAAAAAADDs0/KDzkND1GvwcmNmc2vgMpKwMYvdIp9gB2wCK4BGAsYHg/s975/fm%2Btransceivers3.png Hi, I wrote a package to drive FM transceiver modules (Si4713, RDA5820N, KT0803L) with PC (Windows / Linux), Raspberry Pi, or ESP32. FYI Wei Lin
by Wei Lin
Mon Jun 22, 2020 8:51 pm
Forum: ESP32 boards
Topic: Si5351 Clock Generator driver
Replies: 0
Views: 2693

Si5351 Clock Generator driver

Si5351 Clock Generator https://1.bp.blogspot.com/-CYsLdiRx7p4/XvByJh49_-I/AAAAAAADDcE/7WWbIMYXxp4bCT-h-xzonIneVJxKM3Y5ACK4BGAsYHg/s988/si5351%2Bcover.png Hi, I wrote a package to drive Si5351 with PC (Windows / Linux), Raspberry Pi, or ESP32. Si5351 is a clock generator with 3 ~ 8 clock outputs and...
by Wei Lin
Sat Jun 20, 2020 8:03 am
Forum: ESP32 boards
Topic: Signal Generator drivers (for AD9833, AD9834, AD9850, ADF4351)
Replies: 2
Views: 4348

Signal Generator drivers (for AD9833, AD9834, AD9850, ADF4351)

Signal Generators https://1.bp.blogspot.com/-Tos5k4_v-Ws/XunW97WhljI/AAAAAAADDH0/FVeyLJ6rIrweyItDB4d1T20wOeBpUkJjQCK4BGAsYHg/s4160/IMG_20200401_091358.jpg Hi, I wrote a package to drive signal generator modules (AD9833, AD9834, AD9850, ADF4351) with PC (Windows / Linux), Raspberry Pi, or ESP32. Thi...
by Wei Lin
Wed Dec 25, 2019 8:10 am
Forum: ESP8266 boards
Topic: SX127x (LoRa transceiver) driver for (Micro)Python on ESP8266/ESP32/Raspberry_Pi
Replies: 16
Views: 45161

Re: SX127x (LoRa transceiver) driver for (Micro)Python on ESP8266/ESP32/Raspberry_Pi

The error message means that the SPI communication failed. Sometimes it fails after h/w reset until s/w reset. I have no oscilloscope hence not sure why it is so. Hi I have the same error after deepsleep wake up. First time work perfect, but after wakeup reset this error appears. thank That may con...
by Wei Lin
Tue Apr 02, 2019 10:18 am
Forum: ESP32 boards
Topic: PC as an ESP32 simulator ?
Replies: 4
Views: 8411

PC as an ESP32 simulator ?

Bridges - PC as an ESP32 simulator ? Pretend your PC a Raspberry Pi or an ESP32 to connect I2C / SPI / GPIO / UART peripherals. Hello, I wrote a package for PC, in order to: 1. Use the PC to drive (via bus-converter) I2C / SPI / GPIO / UART interfaced peripheral devices. 2. On your PC, simulating t...