…peration of ADC->FFT->something_do_with_spectra->IFFT->DAC This is how it works with dspic33F .. microcontrollers. I doubt it is possible with F103.. But maybe there is a trick how to do it.. Wi…
…ybe I’ve placed my order too soon on AliExpress (it seems that we will get some beta ESP31 ) : … 3dec2#p617 RogerClark Sun Apr 10, 2016 9:28 pm One trick I use with hot glue, is to reheat it …
…ith MM here. I connected a Bluepill to a Raspberry Pi here. (same concept as ESP8266/ ESP32 ) Ray /* BlinkNcount_BP3 by m. ray burnette Turns on an LED on for one second, then off for one seco…
…raries for F1, F4, F7, to H7 development. I am using Arduino IDE only for Teensy and ESP32 development. Bottom line is that EmBitz is highly recommended. Janus Fri Sep 14, 2018 4:38 pm @mrbu…
…lso has AVR support, but would probably not work on other processors like ESP8266 or ESP32 or SRM32 without modification The modifications may be as simple as adding more #ifdef clauses into…
… testing with 20cm dupont wires, I have some 10cm now. My next chip test will be the ESP32 … it has lots of everything Smile RAM, speed, cores, flash, pins (…) ,WiFi, BT LE… and less of one t…
…ay just to pioe the data to a web server e.g. to PHP So I went back to coding it on. ESP32 and so far it’s much easier, but things in Linux. I bet for your motion detector, it would be possi…
…and ported to many platforms. I am actually playing with this on the ESP8266 and the ESP32 : here. You can install and run microPython right on your PC (tested) and Windows and OS-X ports are…
… that my Samsung phone with bluetooth and WiFi is a near ideal terminal: SSH into my ESP32 , my RPi and even use VNC to get a nice remote GUI. Others have reported decent results with the MIT…
…r the temperature sensors. I think this kind of setup would be more suitable for the esp32 module later on. Also the W5500 ethernet module seems to have some compatibility issues with some r…
…ompletely assembled board would be highly desirable if in the $5 range, but with the ESP32 pricing now under $5 and the rPi_Zero-W at $5 (sale) here in Atlanta, I just do not see myself taki…
…M lib update (without any certainty). I have faced some problems on other platforms ( ESP32 and ESP8266) when upgrading this lib… I have one Arduino IDE for each platform to avoid upgrading p…
…hich have much more computing power, as well as more ram etc. The price point on the ESP32 will also be interesting, as currently the price / performance on the ESP8266 is quite compelling, …
…PIC and AVR, but still have a soft spot for ESP8266 and hopefully will be getting an ESP32 soon. The 1Bitsy appears to be in the $25 price range, close to the Teensy 3.2 at $19 and the Maple…
…eally need the heavy lifting power. In the $5 category, I would normally suggest the ESP32 when your project budget can afford the power load during WiFi transmit. On that chip, you get 3 pr…
…icro Tue Aug 29, 2017 6:10 am I found another small F4 board ( F411 ). It has also a ESP8266 as WIFI interface. I wonder if it would be complicated to get the thing running. RogerClark Tue Aug…
…, I am the author of miniwifi, a small arduino/stm32duino library and a firmware for ESP8266 devices. All communication between the two devices happens over the serial port using a custom prot…
… for the Matrix data to avoid tearing of the screen, doing this way I have the whole ESP8266 CPU to create frames with my graphic library as the Clock, Animations, blending, effects, OSD (on s…
…e i am new to this fourm. I want to STM32f103c (Blue pill) board to communicate with esp8266 -12E and neo 6m GPS modules with blue pill. And i have used this module before with arduino uno and …
… have lost interest, for a couple of reasons but mostly with the introduction of the esp8266 , at least for hobbyists. tve Fri Aug 10, 2018 8:05 pm heisan: It seems that your argument is that t…
…ng more with it will occur or not, not is a loss. i was reading/watching you-tube on esp-8266 with arduino and using AT commands, my thought was could i use a lua variant and what would it invo…
… printf is almost nothing…. that’s why the Print.printf() is included on the core of esp8266 . From the other side, the most used MPUs in last 25 years of my professional life, are ATmega8 and …
…erClark Wed Feb 10, 2016 1:43 am Somewhat off topic, but can anyone confirm what the ESP8266 guys are doing in relation to 1.6.7 etc I checked their repo and it says 1.6.5 , so I presume they …
…I was using the preview I’ve also been contacted one of the guys that has a repo for ESP8266 , and Visual Micro doesnt work for that repo either I posted 2 issues on their forum But there are l…
…ec-out uses IRAM Buffer > 20 Kbytes (IRAM: 48k + 16k cache Flash): The specs for the ESP8266 are: [*]64KBytes of instruction RAM [*]96KBytes of data RAM So I doubt getting mp3-sw-decoding, pwm…
… needs to be tiny enough to be built in a gun.) but coupling an SPI OLED display AND ESP8266 AND buttons AND LEDs AND a Laser AND IRsensor AND an MP3 module for the sounds Even if I’d do I2C s…
… Library to compile I need to know what the name of my board is to the compiler like ESP8266 … etc. I have already tried. GENERIC_STM32F103R WereCatf Mon Apr 25, 2016 11:59 pm Use __STM32F1__ …
…This is not a solution, but try a different browser, I recall a similar issue on the ESP8266 where it would work fine on Internet Explorer but wouldn’t work correctly on Chrome. As it may shed…
… can just plug in such a module. For a 3D-Printer user interface a connector for the ESP8266 could be useful. ( BLE ? ) An external EEPROM or FLASH can be useful. lkcl Sat Oct 07, 2017 7:10 am…
…ary which also has AVR support, but would probably not work on other processors like ESP8266 or ESP32 or SRM32 without modification The modifications may be as simple as adding more #ifdef cla…
… display (ILI9341) handles that well. Only at 80Mhz I couldn’t get it to work (using ESP8266 ) but I’m still going to try with shorter wires. I was testing with 20cm dupont wires, I have some 1…
…w level hardware control and Bluetooth protocol stacks, but its not an RTOS like the ESP8266 uses. There are different Softdevices, depending on how much functionality you need from the Blueto…
…they have a shoddy usb connector and wrong value of USB pullup resistor. I have some GD32 boards which have the same problems (dodgy USB connector) Unfortunately, you get what you pay for. …
…xx claims to have 100k + write cycles – … 25_159.pdf page 40 however support for the GD32 is still a work in progress. I suspect that with careful use of the emulated flash, i.e. only writi…
…if you want to stay with something like the STM32 but its not quite fast enough, the GD32 boards are faster and the same price. GD32 are specced to run at 108Mhz and have zero wait state fl…
…working ;-)Wink I have an infrared thermometer and I measured the temperature of the GD32 at different clock rates ( I think i probably posted the data to the forum, but it would be ages ag…
…e chipset in my new PC, as it is not BluePill friendly and it does not work with the GD32 at all. Some of the problem with the BluePill is that when the sketch runs, the Windows device mana…
… uses 16Mhz. Most boards use 8Mhz, though at least 1 STM32 board uses 12Mhz, and the GD32 boards I have use 12Mhz. Just to get the board working with your existing crystal, just hack the ge…
…Clark Fri Jul 28, 2017 10:57 am There isnt a lot of difference between the STM32 and GD32 processors There used to be a separate GD32 core, which was for some small boards which have a 12Mh…
…no bootloader and 120MHz clock. RogerClark Mon Feb 22, 2016 8:31 pm I tried to put a GD32 , taken from one board, onto a Maple mini, but my soldering was not good enough, and I basically des…
…ordered at cart100. madias Sun Sep 06, 2015 9:05 am Ok, found in another thread, the GD32 board is available on aliexpress for 5 Euro edit: removed dead link —> … 6,201409_5 (link same as f…
…e has a custom communications protocol, and i suspect as you are running on a 108MHz GD32 , that speed may be the problem, i.e you are going too fast. PS. If you are using the GD32, I presum…
…(though I don’t know if the display would cope with this, I have had issues with the GD32 on SPI, which I think are related to it running to fast for a lot of devices) Also GD32 runs the pr…
…nal clock or a 12Mhz one ? (I presume its 8Mhz like most STM32F103 boards – but some GD32 use 12Mhz) Ollie Mon Oct 17, 2016 3:50 am Yes, it is a 8 MHz crystal as shown in a picture at Roger…
…rking again. I’d been experimenting with various things.. 3 different BMP boards, (a GD32 board, a Red Pill STM32f103C8 and a Maple mini STM32f103CB) And I had also tried flashing some prec…
…if chips we have are real or not? short of asking ST, nothing definitive. Aside from GD32 chips, those “counterfeits” are likely mis-marked (purposefully maybe?) other STM chips. it could b…
…s to modify the oven firmware, as its really easy to compile on Linux. BTW. Even the GD32 would not help, as the oven firmware scans the I2C bus within a few milliseconds of startup, so my …
… to being driven at higher frequencies. RogerClark Mon Mar 28, 2016 8:32 pm Andy The GD32 boards seem to work fine at 120Mhz, but Ive not looked at whether the ADC works at that frequency. …
…1:24 am The license is now a lot more open But, I don’t know if it allows use on the GD32 etc, I think it probably does not allow use on non-stm32 devices. strawberrymaker Fri Aug 19, 2016 …
…the F1 as the #ifdef s are for __STM32F1__ I suspect they would work with the F4 and GD32F1 , so I need to either add STMF4 and GD32F1 to the ifdefs or do it a different way (mainly because I …
… in the wrong direction is the platform.txt file. its Arduino\hardware\Arduino_STM32\ GD32F1 \platform.txt However I took a quick look and I can’t see anyhing in there that looks like it would …
… thought there was a faster one. Anyway, the main reason for using F_CPU is that the GD32F1 runs at 96Mhz in stable operation, or 120Mhz in overclocked (without any issues) but also some peop…
… think you will need to use a 6 x multipler to give you 96Mhz as the max freq on the GD32F103 is 108Mhz Then if you set the f_cpu in the boards.txt to 96000000L (look at the gd32f103 board.txt …
…teresting experiment to try. Even 8 bit resolution at say 10MHz would be useful. The GD32F103 red pill boards might also be worth a bit of over clocking experimentation, their silicon should in…
…i! I’m Carl My first project with STM32 will hopefully be to get some code onto this GD32F103 board, and drive the LCD. I first need to figure out what the driver is. It appears to be using 17 …
…ith the various numbers used in the UART timing setup. I personally gave up using my GD32F103C8 boards, because I had issues with SPI not working with the ILI9341 display, and I did not have time…
…limit Smile RogerClark Tue Jun 14, 2016 10:22 pm Offtopic… but just a note, that the GD32F103C8 only has 64k not 128k as its internal architecture is quite different. mrburnette Tue Jun 14, 2016 …
…crystal ( I think from the photos that it does) Note, don’t select the F103CB as the GD32F103C8 only every has 64k Flash unlike the STM chip where you normally get 128k even on the 64k version ( …
…the price will be lower. Half year ago the price was ~ 3.5 USD at 4000 pcs. Price of GD32F103C8T6 is 63.58 – approx. 1.07 USD (64 KB Flash, 8 KB Ram) for 1 pcs. About not able to get – It`s possibl…
Spark Logic archive Red/Blue pill with GD32F103CBT6 cazimirb Wed Oct 21, 2015 12:55 pm I don’t know if it’s a silly idea (or not Very Happy ) , but: I …
…versions Sad ). The domestic shipping fee is quite high ($3.56) Here are some links: GD32F103CBT6 ($1.18) – GD32F103VET6 ($2.35) – GD32F103RGT6 $2.67) – I bought a few of these chips (wait for them…
… the hardware Ollie Tue Oct 18, 2016 9:37 pm Olimex P103 is another low cost ($9.00) GD32F103RB development board. The same board can be used for STM32F103RB and STM32F405RE. See the second entry…
…chip features Ollie Sat Oct 15, 2016 5:00 pm I was lucky and did purchase the Olimex GD32F103RBT6 Maple board from Amazon for $9.00 including delivery and taxes. Here is the link … UTF8&psc=1 Now I…
…l with China Post etc cazimirb Thu Sep 17, 2015 6:56 am I bought some of these chips GD32F103RET6 : They could be used as a direct replacement for STM32 chip on RET6 board, I guess.. Still wait for …
…oard Flycatcher Fri Jul 28, 2017 6:24 am Hello! I`m hardware designer and i have the GD32F103RG board for one of my projects. Image The software for this board was written on Keil by other people…
…uite high ($3.56) Here are some links: GD32F103CBT6 ($1.18) – GD32F103VET6 ($2.35) – GD32F103RGT6 $2.67) – I bought a few of these chips (wait for them to arrive), plan to do brain surgery on some …
…estic shipping fee is quite high ($3.56) Here are some links: GD32F103CBT6 ($1.18) – GD32F103VET6 ($2.35) – GD32F103RGT6 $2.67) – I bought a few of these chips (wait for them to arrive), plan to do…
… Vivio Fri Jun 22, 2018 11:52 am Thank you ahull & carl0s for sharing! My version is GD32F130 and I see here there’s about GD32F103 Crying or Very Sad But your ideas might apply in my case. I’l…
…can you describe more thoroughly how you program the device? I have a GD32F130C6 and GD32F130C * which I cannot programm them with ST link v2. Thanks in advance! ahull Thu Jun 21, 2018 8:25 pm I …
…6:18 pm carl0s can you describe more thoroughly how you program the device? I have a GD32F130C6 and GD32F130C* which I cannot programm them with ST link v2. Thanks in advance! ahull Thu Jun 21, 2…
… Post < … 926#p17926> mentioned already the 32bit-Teacup-Port < … /stm32f4xx> (F411, LPC1114 ). While there is already a Blue Pill running grbl < > and hints from teacup-autor for migration “…t…
…o flash and program a much wider list of chips. I’ve used the stlink device with NXP LPC1114FN28 chips and LPC8XX, and some stm32f0xx chips just sitting on a pcb. The openocd crew is constantly ad…
…. I have tested the same print takes the same time on my HAL on a STM32F1, as in the LPC1768 HAL that runs in the Re-arm or smothieware boards, so the stepper code is running at the right pace…
…y is working, then drag’n’drop will work too. It remind me that when I’ve received a LPC1768 dev board several months ago, it already had such kind of MSC bootloader in it. ahull Sun Oct 04, 2…
…ter fit with stm32 controllers as smoothieware is after all based on NXP’s Cortex-M3 LPC1769 the photos could perhaps be uploaded and linked from rsc Fri Sep 29, 2017 7:03 pm Yes, I still work…
…much wider list of chips. I’ve used the stlink device with NXP LPC1114FN28 chips and LPC8XX , and some stm32f0xx chips just sitting on a pcb. The openocd crew is constantly adding support for …
…d created a template based ring buffer (circular buffer) using C++ templates for the msp430 mcu. It was faster .. The full discussion was unavailable in the source capture.
… some features of it useful, mainly the ability to use their for fee compiler ($495) msp430 compiler for free without code size limits. The offline CCS is code size limited to 16k on the msp4…
…ne CCS is code size limited to 16k on the msp430 (16 bit pdp11 clone) and 32k on the msp432 (ARM cortex-m4f). I think it is based on this stuff: With the speed of the internet constantly goin…
… queried by the BMP, so that the original firmware did not recognise the device as a nRF51 and fell back to treating it as a ARM Cortex-M0 The problem with this, is that it wasnt possible to…
…hat need to be done for the STM32, as well as my other areas of interest e.g. Nordic nRF51 as well as laser cutting etc etc AnalogLamb Wed Oct 12, 2016 6:04 am We are ready to ship the ESP32…
…lso, Nordic Semi have announced an updated Bluetooth Low Energy SoC to supersede the nRF51 series, called, not surprisingly the nRF52, which is cortex M3. Im not sure on pricing, but I was b…
…ems to need to be preceded by \\.\ , as described I think in BMPs own wiki 2. On the nrf51 , the quit command is not getting executed by gdb, so gdb ends up locking up the BMP, and the only w…
…dor (probably stmicroelectronics board or its clone – 3), also nrf51822 chip (4) and nrf51 DK motherboard by waveshare (5). I found some tutorials on YT how to compile bin, but since i am wi…
… application. The other MCU which I have, which may be good for this, are the Nordic nRF51 and nRF52, as it has a separate hardware section called the PPI which can do all sorts of fancy thi…
…se type of modules is the price, as they are cheaper and more readily available than nRF51822 based modules. mrburnette Wed Mar 09, 2016 12:34 am Ah, ha. I’m not familiar with Bluetooth for com…
…nufacturing in China I know a trustworthy company in China, who I have used to get a nRF51822 Bluetooth “SmartBeacon” manufactured in small quantities (100 off) for a prototyping and field tria…
Spark Logic archive Arduino on Nordic BLE nRF51822 RogerClark Mon Oct 26, 2015 11:06 pm In case anyone apart from Rick and I is interested in the Nord…
… several people have been attempting to build STM32 based smart watches. I think the nRF51822 is a better processor for a watch .. The full discussion was unavailable in the source capture.
…Kenjutsu Wed Mar 02, 2016 1:28 pm Thanks to this great post by Roger, Arduino on the nRF51822 Bluetooth Low Energy microcontroller, I flashed one of my Maple Minis to a BMP, and tried to flash …
…ow to do smd soldering, i’m a little spoilt living off 0.1″ spaced pins, i’ve got an nrf51822 module only to realise how ‘impossible’ is it to solder the castellated 1.2mm pins Laughing … 19787…
… any usb vid/pid and mimic whatever device one deems fit. similarly with things like nrf51822 makes bluetooth le ‘user customizable’. i’m not sure how long this niche trend would last, but i’d …
…there is Bluetooth LE, but then that’d need the help of an extra breakout board e.g. nrf51822 or cc2540/2541 etc the low cost stm32 BP/MM possibly still lose out to the wireless alternatives in…
…n impulse to join a group purchase, e.g. the boards on the record i’ve 2 castellated nrf51822 boards … 2396174917 after receiving them i’m dumbfolded as i’m not sure how i’m going to solder the…
…ts alone, doubt it is easy to find something cheaper with the same. for ble there is nrf51822 but similarly those boards hover around $4 i think and is possibly slower than esp32 as nrf51822 is…
…the mean time I’ve flashed it onto a STM32 to I can take a look at if it can see the RNF51822 Thanks Roger RogerClark Sun Oct 25, 2015 10:21 am Rick, This is probably a really dumb question,but…
…m stm32 chip board kalregus Wed Jan 18, 2017 9:49 pm Hi guys. I am trying to program NRF51822 , and here, on this forum i’ve found recipe to make black magic probe out of stlink board ( Because …
… may be 256k) I am currently using the nRF51 in legacy designs, but will move to the nRF52 for new designs, especially the new nRF52840 which is BLE 5 compliant ag123 Sat Mar 04, 2017 8:32 a…
… which could potentially run MicroPython, including several F4 boards, and ESPxx and nRF52 . So I will definitely have to put installing MicroPython on my To Do list But todays fun thing is t…
…s good for my lora experiments. Now I log current over RS232, but my plan is to make nrf52 logger. I did try to measure voltage directly on diode, but it is only 1.2V so I will need to make …
…Bluetooth Low Energy SoC to supersede the nRF51 series, called, not surprisingly the nRF52 , which is cortex M3. Im not sure on pricing, but I was buying nRF51 modules, for around $5, which h…
…on. The other MCU which I have, which may be good for this, are the Nordic nRF51 and nRF52 , as it has a separate hardware section called the PPI which can do all sorts of fancy things based …
