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…e was to connect CAN bus directly to the board (CAN TX, RX). Second fail was because TJA1050 that I tried was defective (infinite resistance between CAN Hi – CAN Lo). Third – both TJA1050 and …

…board includes the following integrated circuits: U1 LM393 (K, L-line conversion) U2 TJA1050 (HS-CAN transceiver 5V) U3 MP1482DS (step-down 2A, sync rectified) U4 LM6206N3 (linear voltage stab…

…lf Tue Jun 13, 2017 3:38 pm This is a 5V tolerant device. It is one of the so called Neo-6M GPS from the Chinese manuf. Actually it has the exact same LDO as the one on the Blue Pill. I tried…

…’t find something ‘cheap’ a close one is to use ulpi usb 2.0 high speed phy like the usb3300 … xt=usb3300 but those prices are anything but ‘cheap’ (the module that is, which cost around usd 7…

…hecked everything again and I have realised that the chip on my ethernet module is a W5100 not a W5500. It was an unused one that I had in a drawer, I must have got confused about which it w…

Spark Logic archive STM32F103 + W5500 running a Webserver will freeze after some time?! matrixxx Thu Mar 29, 2018 11:54 am Hi all, im run…

Spark Logic archive Ethernet_STM + W5500 : maximum parallel connections from same client stevestrong Thu Jan 05, 2017 7:54 pm I have a Web se…

…ied that some regression pops up that might be difficult to resolve. I’m thinking of W5500 ethernet module since you would have to get SPI bus for the tf card from the board anyway. I had on…

… extra time library – I2C (Wire) viewtopic.php?f=39&t=2804&p=37376#p37376 – supports W5500 -based Ethernet modules (see viewtopic.php?f=13&t=503&p=32063#p32063) – DAC, see viewtopic.php?f=39&…

Archived excerpt W5500 library is (finally) ported Vassilis Tue Aug 18, 2015 1:43 pm I ported the new W5500 Ethernet contr…

…I think that the following are different products – ESP32 – ESP3212 – ESP32S – ESP32- WROOM-02 – ESP32-WROOM-03 Cheers, Ollie AnalogLamb Thu Oct 13, 2016 4:47 am Pito wrote:What does it mean the…

…following are different products – ESP32 – ESP3212 – ESP32S – ESP32-WROOM-02 – ESP32- WROOM-03 Cheers, Ollie AnalogLamb Thu Oct 13, 2016 4:47 am Pito wrote:What does it mean the “S” in ESP-32S, …

…tly using Jlink, but may go back to BMP, as I have some wierd things going on with a WT51822 -S2 module that I’m trying to use. The most reliable modules to start with, seem to be the developme…

…per/ZERYNTH), on the existing STM32F4 port, but too many absent libraries. First the Xbee 802.15.4 with the Python library for it… though I’ve written the equivalent professionally in C, I …

…d some thing that I’ve completely forgot, since it is a long time I used those small AT23C02 /04/08, I’m using bigger one since awhile, price differences both those are not quite big … ;)Wink T…

…000); // Using the BluePill, or other STM32F103XX boards, PB6 is SCL => Pin 6 on the 24C02 // PB7 is SDA => Pin 5 on the 24C02 // PB8 is GPOI used to pull WP (Write Protect) (Pin7) low on th…

…iple device addresses zmemw16 Tue Aug 18, 2015 9:08 pm i’m trying to talk to the i2c at24c08 built into the board which is a STM32F103ZET6 Minimum System Development Board ARM STM32 Cortex-m3 …

…he serial port. See this post if you want to know *why* I have been recently dumping 24C16 eeproms. -> I suspect it will work without any modification other than to set up the correct serial…

…curate but the 2 others were behind 2 hours/day. SO I turned back to DS3231 with its 24C32 EEPROM. Hope you can improve the situation. hyperion Mon Mar 26, 2018 1:31 am i test maple mini wit…

…everyone, I ported the DS3232RTC library of JChristensen and tested it with a DS3231 AT24C32 IIC module precision Real time clock module memory module Arduino. I only tested the SetSerial.ino …

…g an eeprom. martinayotte Wed Aug 19, 2015 6:42 pm Although I’m not using 24C08, but 24C512 (also at 0x50 address), it should be pretty similar. I’m using it on my F4 without any problem. Her…

…th debugging. #define BOARD_POWER PB9 // This can theoretically be used to power the 24c64 since the board draws a few miliamps. // In the end, I just opted to power the board from 3v3 direc…

…ile the spi flash is definitely marked as a Winbond 25X40BVN1G data sheet says Atmel AT24C08C , 8K Serial EEPROM: Internally organized with 64 pages of 16 bytes each, the 8K requires a 10-bit da…

… a Spansion S25FL216KIF which is 16MBit. However my board (v4.4) has a part labelled C25Q16SN (or it might be C25016SN). I can’t find info on that p/n. carl0s Wed Apr 18, 2018 10:55 am Here’s t…

…with a PR with the Wire (I2C) core library. The core library has been tested only on DS1307 device by using the RTCx library. The RTCx library can be downloaded from the “Library manager” on …

…l the answers. The crystals I tried to use didn’t work. I just desolders one from an DS1307 RTC module which I used with an Arduino and it worked immediately. Those are 12.5pF crytals and I a…

…ottom: new version Image I used them to measure the accuracy of two “TCXO” RTCs: the DS3231 and the PCF2129: I really like these graphs of the PCF2129’s frequency vs temperature: Image Image …

…nctions not using that may reduce current draw before peripherals. I will be using a DS3231 . I assume that will mean the systick counter will not be needed? The design for the personal projec…

…had any success with this? I would use channel 1 (PB6, PB7), but when I do that, RTC DS3231 won’t work, since it tries to use software I2C on the same pins. I tried to remap software I2C to o…

…ue Feb 20, 2018 3:23 pm Following! Pito Tue Feb 20, 2018 3:40 pm You cannot beat the DS3231 , no chance. No crystal heater needed, no calibration, around one uA current in average, few secs/y …

… brief instructions. Core: fpiSTM official core v1.5.0 Boards: Blue Pill STM32F103 + DS3231 clock module (i tried using the internal RTC but was constantly resetting the time. The DS3231 modu…

… Hello everyone, I ported the DS3232RTC library of JChristensen and tested it with a DS3231 AT24C32 IIC module precision Real time clock module memory module Arduino. I only tested the SetSer…

…un May 08, 2016 6:58 am In file included from C:\Users\pito\MyCode\Arduino\libraries\ DS3232 /DS3232RTC.h:40:0, from STM_RDWR_1.ino:8: C:\Users\pito\MyCode\Arduino\libraries\Time/Time.h:16:23: …

…ion Image I used them to measure the accuracy of two “TCXO” RTCs: the DS3231 and the PCF2129 : I really like these graphs of the PCF2129’s frequency vs temperature: Image Image They’re from two…

…6 ARM Cortex-M3 3.3V 36-45mA 128KB flash, 20KB sram, usb2.0, can2.0b, case LQFP64 U7 S25FL216KIF pdf (2MB serial flash 3V) Top of the printed circuit board From the inner (top) side of the link, t…

…ur device sounds more like a flash chip after all. Probably something similar to the S25FL2XX series from Cypress -> This topic might be useful -> viewtopic.php?t=1787 carl0s Wed Apr 18, 2018 1…

…g BIN file. The results today are similar to what I have measured that time (SanDisk Ultra 16GB CL10 card) Type any character to start. size,write,read bytes,KB/sec,KB/sec 512,352.13,1855.96 1024…

… are: 1. Samsung EVO 8GB, CL10 UHS-I (white/orange) – works 21, 36, 42MHz 2. Sandisk Ultra 16GB , CL10 (red/grey) – works 21, 36MHz If you do not get such results (plus minus 0.2MB/sec) then it is…

…3479,2757,2818 2905.30,3477,2758,2818 Pito Fri May 06, 2016 1:15 pm A second Sandisk Ultra 16GB CL10 UHS-I, MMini, SPI1 @36MHz, SdFat “bench”, seems it is not a fake, but write latency is high, i…

…SerialFlash Hardware Test Read Chip Identification: JEDEC ID: BF 26 43 Part Nummber: SST26VF064 Memory Size: 1048576 bytes Block Size: 65536 bytes 0x05 = 0 0x35 = A 0x72 = 0 0x42 = FF Reading Chi…

Spark Logic archive SST26VF064B Library… help? rexnanet Thu Aug 25, 2016 9:11 am Hi, Has anyone managed to get the SST26VF064B flas…

…cro one for the UNO (with the 5V multi-converter chip) … 59_679.jpg SD cards tested: Transcend 4GB microSD: not working, 2GB micro SD (no brand) working. Maybe a formatting problem? Edit with the su…

… 3:47 pm If you need much storage (2-4MB) than grab on aliexpress some those winbond w25Q64xxx I wrote a library for them: You need also a smd adapter board for them (total cheap on ali, I have …

…rt the new (faster) version of SDIO from Victor ( … 2/pull/474) – check the on-board W25Q64 SPI flash, maybe add SPIflash lib to repo (where from?) – check/add FPU ( … 048#p31040) – add suppo…

Spark Logic archive Blue pill reading Winbond 25Q80 SPI flash Jimbo13 Sun Feb 11, 2018 5:23 pm I have tried without success to use the FlashDiagnostics…

…7 to 3v3 pin; i’ll live with 0.64% low Smile the spi flash is definitely marked as a Winbond 25X40BVN1G data sheet says Atmel AT24C08C, 8K Serial EEPROM: Internally organized with 64 pages of 16 bytes ea…