ST-LINK/V2
Is it possible to connect the ST-LINK/V2 to a BLUENRG-M2SA. The data sheet swim connector has 4 pins VDD, DATA, GND, RESET. How do you hook it up to BLUENRG-M2SA with SWDIO and SWCLK? Is there a...
View Articlewireless irrigation system
Hi I am looking for ideas on wireless irrigation system for agriculture. I searched for it on the internet and I found a similar video on YouTube I think the below parts are used in this project This...
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PIC32MK MC QEI example
Needed to build a tester for some high resolution QEI encoders. The speed and number of counts per revolution favored a hardware motor control solution for the A/B/Index signals vs a software solution....
View ArticleNeed help with an inverter
Hi guys I am having trouble with an inverter the link to actual inverter is below. When i wire it up and try run it in auto it does nothing. I can run it in local mode and it is ok but when I switch to...
View Articleadd hysteresis to the comparator in 12F683
Is there a way to add hysteresis to the comparator in a 12F683? If so, how? Thanks.
View ArticleADS1115 programming with i2c interface in CC2640R2F
i have to program the ads1115 adc to work with my BLE. So basically this adc has four register out of which one is configuration register and by manipulating the bits of this register we can set the...
View ArticleCan someone help me review this schematic? (AT89C52)
I am a beginner and I have got few questions with the first project I am attempting. I am trying to build a reliable timer circuit with three timing options. The use case is very similar to a microwave...
View ArticleTLTiny85 Question
What is the preferred method to have a variable output voltage from these types of chips? I'd like to be able to vary the output from as close to 0 to the chips expected voltage out at 5vdc Thanks
View ArticleMSP430 - Traffic light with a buzzer
Hi, i want to control a traffic light in that way: Firstly i have to say that orange colour is when leds green and red are ON at same time. At first place traffic light will be with green led ON. Then,...
View ArticleNeed Help Programming DIP 64 IC
Hi, I have zero knowledge of IC and these electric components. I have a machine which has safety module card on it. The machine is giving was start test error. On getting it checked locally by a...
View ArticleLearning to program the PIC16LF1823
I'm completely unfamiliar with any of Microchip's products, but now it has become imperative that I work on a small project involving the PIC10LF322. As a reference, I consider myself quite proficient...
View ArticleHelp me choose a microcontroller
Hi, I am looking for a microcontroller for my first project. The microcontroller will be connected to a lcd display, relay, a microswitch and three button switches. The microcontroller basically will...
View ArticleDoes MEGA 2560 analog pins has internal pull up resistance?
Try to use analog pins as digital input. Thanks Adam
View ArticleTMP36 reading inaccurate values on arduino
I am using a TMP36 and arduino (like shown in the connection below ) to measure temperature, and my temperature sensor is changing values abruptly (like from 25deg to 36 deg and back to 25 deg in just...
View ArticleArduino Custom PCB Questions
Hey all, I am using the Arduino ecosystem for my project. I am building a custom PCB and would like to include the MCU in my PCB. I have read some tutorials online that show how to do it. But, I'm...
View ArticleGD32f130xx microcontroller
I'm looking to flash a gd32f130c8t6 motherboard and I'm having trouble finding resources for its firmware. Does anyone have any experience working on it?
View ArticleSCADA with Arduino free ENGLISH VERSION UPDATE
Now you build a SCADA system with Arduino, its easy, its free, with iQuimiCAD software, enjoi this software, test the software, see the video is a demostration with example. In the description of video...
View Articlewarning: (1498) pointer (lee_cad_usart@buf) in expression may have no targets
Hi I'm writing a program for UART communication with a PIC16F887 as master and a PIC 16F886 as slave. I use MPLABX and XC8 compiler. I've made a library whit this function: void lee_cad_usart(char...
View ArticleMSP430F5529 with ultrasonic HC-SR04
Hi, i'm trying to use the common ultrasonic sensor HC-SR04 for detecting objects by measuring its distance to the sensor and, if the distance between the object and this sensor is lower than 20 cm, i...
View ArticleSending sensor data to nosql database
Hi, I am working on a project, where i have to send some sensor data to nosql database , please guide me how i can send data to nosql database using GSM sim 900a
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