Equipment catalog

Spark Logic archive MPR121 i2c touch keypad with Wire library szilvasyz Sun Aug 13, 2017 11:08 am Hi All, (I am a new member h…

…but i should write a code to use them with i2cdevlib, because i use i2cdevlib to use mpu6050 to get dmp data. madias Thu Sep 17, 2015 8:20 pm Exactly for this EEPROM I have two libraries and e…

Spark Logic archive MPU-6050 (I2C) Library juanpintom Tue Jun 23, 2015 11:04 pm Hi all, Im trying to get it working an MPU6050 o…

…n separate I2C pins FunkyD_ Wed Aug 16, 2017 2:13 pm Hi there ! I am working with an MPU6050 IMU and a STM32 microcontroller. I am getting information from the IMU using jrowberg’s .. The full…

…to data to USB, although I have them working using Serial2 to BT). I have been using MPU9250 lately, but have also tested both these in the past with MPU9150 – I don’t have MPU6050 to test but…

…kawasaki motorbikes. I have it already working on a bluepill, it uses 2x SPI (SD and MPU9250 ) and 2x UART (GPS and a L9637 [it is an ic used to talk with the ECU]). But yesterday i had the ver…

… small add-on boards holding sensors or radios, etc. I only have one so far with the MPU9250 and BME280 which together with the 16 MByte QSPI flash and the low-power, battery operated nature o…

…ed well – actually left it running on my desk all afternoon and it worked great. The MPU6150 should work as well for both sketches, although you may have to modify the MPU9150_RAW file to get …

…working? Really thanks. Regards. RogerClark Fri Jul 03, 2015 1:58 am I looked at the MPU9150 some time ago, but I recall there being issues even on AVR. I was using the RTImuLib, but it seemed…

…hese with a small BT 4.0 motion controller I designed using STM32, MPU9150/9250, and MS5611 altimeter/pressure sensor (the attached sketches output to data to USB, although I have them workin…

Spark Logic archive OV5642 with arduino2 ourarios Mon Jun 04, 2018 11:37 am Hello, I work with STM32L4 IOT but my problem is t…

…ip seems to work OK for me, but I’m not using any callbacks. I used the code with my OV7670 camera testbed and it was fine. But it doesnt include the dmaSendAsync I can manually merge that ne…

…(Small) RogerClark Sun Jun 25, 2017 12:40 am Guys I have been experimenting with the OV7670 camera using code from github, but the code requires that optimisation be changed .. The full discu…

…half complete, simple breakout board for the Blue Pill to connect to a ILI9341 and a OV7670 camera, so at $5 I may get my ass in gear and finish it and send off. As even if its useless its on…

…et for your motion detector, it would be possible to detect general motion using the OV7670 camera on a Blue Pill. The only problem would be the frame buffer would need to only be 6 or 8k so …

…he regulator on the display board. I would need to check the hardware I made for the OV7670 camera module, as I used the SD to save images from the OV7670 madias Sun Mar 25, 2018 10:18 pm Her…

…thias, I was able to use ILI9341 on that board when I tested the DCMI, together with OV7670 camera. I did that define in SPI.h because I needed 42MHz SPI clock on PB3 to achieve ~26fps, see m…

…tem overhead There is also Video or Camera input, as we have code that will read the OV7670 camera, at 320 x 240 at around 11 FPS. I think the frame speed may be a limitation of the ILI9341, …

… Humidity Sensor library for Arduino. Features: - Support for DHT11 and DHT22/AM2302/ RHT03 - Auto detect sensor model - Very low memory footprint - Very small code Written by Mark Ruys, [ema…

…etup a blue pill to sample the internal Vref, the internal Temperature sensor, and a TMP36 (10mV/C analog sensor) on PA0 every second and log it via USB serial. This data is averaged over 60…

… peripherals available needing the i2c RepeatStart option. I’ve been trying to get a VEML6072 sensor working with BluePill and run into the same issue. It works just fine with an Arduino UNO wh…

…ibrary does include support for RepeatStart. Please see my example for interfacing a VELM6075 uV sensor with a BluePlill. Thanks. Share on Facebook

Archived excerpt [SOLVED] distance sensor VL6180 acronis Tue Jun 27, 2017 7:05 am Hello. Tell me which library is better to use and how to physicall…

…lectret capsule on those with a decent one (like a clone of the well known Panasonic WM-61A , now obsolete), since the amplifier used by the cheap eBay modules is actually pretty good ahull Mo…

…designed to work with RS485 networks (it is very easy to use a RS485 tranceiver like ADM485 or SN75176, on TX/RX lines) It is very common in industrial systems ( for connecting PLCs with Sens…

…Loader2 bootloader in the 16u2 MCU, you don’t get this issue If you use a clone with CH340 chip, you don’t get this issue. Share on Facebook

…SB operational mode. Since there’s no USB-Serial converter in STM32 like in Arduino ( CH340 , FTDI, etc) there is no DTR pin also to trigger reset. There must be some way how Arduino IDE detec…

…17 8:06 pm My replacement st-link is probably weeks away. However today I received a CH340 based USB to Serial adapter Presumably I can use this to program the board, but how do I get a boot…

Archived excerpt (SOLVED) CH-340 USB to Serial Download issue jbforrer Mon Feb 22, 2016 7:04 am Geetings, UPDATE: —- It appears to b…

…l Sun Oct 01, 2017 2:36 pm yowser what a massive price-difference. $USD 0.30 for the CH340G vs nearly TWO for the FT232RL. i’m staring at a china arduino 2560 clone wondering why they use the…

…prised me about using SWO was that you could use a low cost USB dongle like an FTDI, CP2102 or PL2303hx, and run them at 4Mbit without issue. Before I looked into SWO, I thought I needed a co…

…ftdevice: COM ports are recognised in Windows Device Manager as: COM3 ( Silicon Labs CP210x USB to UART Bridge) COM4 (Black Magic GDB Server) COM5 (Black Magic UART Port) GDB only recognises …

…peed devices some of the examples, which didn’t happen to be st devices like Cypress CY7C68013A -56LTXC happened to be popular with use as sigrok logic analyzers these boards are pretty cheap … CY…

…ellent video on YouTube You can get something working for under $10 e.g. search for “ CY7C68013A Module Logic Analyzer” … r&_sacat=0 Or for virtually the same price you can get one in a box with a…

Archived excerpt Warning against False ELM327 OBD2 !!! Col68 Wed Apr 18, 2018 10:58 pm Hello, I buy a model ELM 327 OBD2 version 2.1 Bluethoot fo…

Spark Logic archive ENC28j60 fail weslleymata Wed Aug 31, 2016 5:18 pm Hello , I’m ethernet problems with ENC28J60 module, I bou…

… have some compatibility issues with some routers so looks like I have to swap it to ENC28J60 . xebbmw Tue Sep 12, 2017 10:13 am [alce – Mon Sep 11, 2017 11:19 pm] – I have not published anythin…

…. The sketch is used to unlock a door with a rfid card. It uses a Maple Mini with an ENC28J60 and MFRC522 on the SPI bus. I would like to add a ILI9431 tft display to show some door entry messa…

…llenge : trying to use Vassilis’s EtherCard_STM library, since Netduino2Plus has one ENC28J60 onboard ! ;)Wink Edit : @Roger, I’ve sent you a PullRequest for the changes… RogerClark Thu May 28,…

Archived excerpt ENC28J60 Ethernet library is ported (Completed !) Vassilis Mon May 25, 2015 2:28 pm I have ported the basic …

…o clear conclusion what could go wrong. But now, having regard to that I implemented ESP-01 web sockets via AT commands, I realized that it is not that easy to handle multiple sockets in the …

…ules. I think this ones would have been the best to be used: www.ebay.de/itm/ESP8266- ESP-01 -Version- … DPL.BANDIT – low pin count – cheap ChrisMicro Tue Oct 10, 2017 6:10 am Just another thou…

…. I bought 4 and gave one away, so I have 3 left. Re: ESP8266 I started off with the ESP01 , but soon realised that it didn’t have all the pins broken out that you normally need. So I bought …

… an aditional SD Card adapter (not microSD) Actually relatively proper Silkscreening ESP-01 Socket. Bit more experimental, but there are actually Web Interfaces out for it. Now i just have to…

…hink is better: 1) change the bluepill with a esp32 2) add to the existing project a esp01 (esp8266) i guess is difficult to give a suggestion without seeing the code so if needed i could po…

…t curious about your selection of ESP-01. Did you consider any other models, such as ESP-05 . strawberrymaker Wed Jul 27, 2016 10:19 am @Ollie the web server part would be completely on the ES…

…s at one end, I’d recommend you put the bigger ones on order. E.g. Something lik the ESP07 , as you get a lot more pins including ADC mrburnette Thu Jun 04, 2015 11:47 pm RogerClark wrote:Ray…

… 12E’s SPI pins, it was just bit banging the GPIO (and I’m already using most of the ESP-12 ’s GPIO for LED’s and buttons. So attaching to the 12E’s dedicated SPI pins was attractive BTW. I al…

…a. There also doesnt seem to be another small board with pin headers, except for the esp-12 lineup, but all of this GPIO isnt really needed. I only connected GPIO2 of the 01 to one of the pin…

…I’ll need to stay with the bit banged version for the time being, just using the new ESP-12E pins zmemw16 Fri Jan 22, 2016 11:29 am if you look for adapter plates,you’ll find the 12E plate ada…

…pt Lowest cost ESP8266 ahull Tue Nov 24, 2015 4:04 pm I recently ordered a couple of ESP-12e modules, and (from a separate supplier) some adapter boards, so I can plug in “du-pont” .. The full…

… from you instead ;-)Wink Pito Wed Oct 12, 2016 9:01 am What does it mean the “S” in ESP-32S , plz?? Ollie Wed Oct 12, 2016 4:38 pm Espressif has shown a lot of engineering excellence, but in m…