Online DAQ suggestions
Anyone have any suggestions for either an off the shelf solution or something with minimal development effort that will allow me to plug say 1 or 2 0-5V sensors into and allow me to bring up the...
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2G, 3G and 4G - how do I determine what my module is capable of?
For my latest project, I'm using a SIM800L GSM module. But what is telling me what networks (2G...4G) it is really capable of? The module's datasheet isnt' clear enought to me so I have doubts about...
View ArticleUSBSERVICE And SERIN2 Odd Behavior
Hi, I have the following code below where every once in a while I'm checking the incoming data using SERIN2. If I change the WAIT-TIME in SERIN2 from 5mS to 4mS or less the USB connection would get...
View ArticleWeirdness with 16F1705's eeprom and DAC
Hi Folks, First time use of subject PIC chosen for its inbuilt 8bit DAC. Code below runs but throws compile errors with: 1 onboard eeprom (I'd really like to get this working). 2 can't use binary to...
View Articlee32 rx/tx module usage
Gooday to all of you in this forum, I am using a PIC18 micro and I have to control the E32 rx/tx module in order to send and receive data. I did read that the module operate through the UART ( rx_tx...
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How to trap incoming Calls/SMS when no RING pin is available
Hi All, As I'm playing with different GSM modules, I'm stumbling on SIM5320E and SIM5360E that have no easily accessible "RING" pin (like on SIM800/SIM900/etc modules) which I normally use to trap an...
View ArticleMultiple problems with PIC16LF15313
I'm trying to migrate a program to a new small chip I have never used before. I have had multiple problems with it and am beginning to suspect there might be some sort of problem with the MPASM include...
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Digital touch Screen Combination lock
Dear all, i need your help once again. I would like to replace the physical matrix 3x4keypad combination lock with a Digital touch screen display. I have for couple of years a display from 4D systems,...
View ArticleHeart rate sensor MAX30102
Dear all, the covid-19 period, i have spent lots of time designing a 3D printed Adaptable medical Mask for covid-19. It was succesful using bio-compatible materials (here's the liink:...
View ArticleWS2812b and similar LEDs - do we need all time running tight loop for control?
Hello. I've checked code examples found here, and by my understanding, I see that it is required to send tight timed pulse signals for those leds, which some folks done via assembly. So my question is...
View Article12F683 _CONFIG problem
Started what I thought would be a quick turnaround to build a board to capture pulses from a rain gage and send to a master board. PicProto8 board and a 12F683 should do nicely. Why do things always...
View Article12F683, DT_INTs, and Lost pulses
Hi All, Been fighting with unpredictable behavior on a project and need some fresh eyes. Here is the minimal subset of the program that I'm fighting. Without any pulses on the input, I get a steady...
View Article18f2680 can config
Hi I could do with a bit of help on optimum PIC18F2680 CAN timing settings. It is correctly terminated with 120R resistors at both ends. I'm confused by quanta etc. The PIC data sheet is attached and I...
View Articlebig char oled display
I recently used a .96 inch oled display driven with i2c. The characters are very small and difficult to read. Has anyone implemented big characters for this type of display? Thank you
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Advices required for Soap dispenser / sanitizer code
Hi ! Both of my dispensers stopped working. So I thought of making a module with PIC. However, I encounter problems when implementing the function @Sleep in the program. I need your advice .... Thansk...
View ArticleWeird problem with large(ish) array access
Guys, I need some help here. This is probably one of the strangest bugs I've tried to figure out and I'm starting to believe it's actually not me (for once) doing something wrong. From a much larger...
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2 didit up down counter using 16F628A program errors
HI I have been trying for a long time now I have downloaded a program from a site years ago for a 2 digit up down counter they give several versions of the prg. But I cannot get any to work I keep...
View ArticleIR temp sensor
Dear all, i need your help regarding the following code for the MLX90614 ir temp sensor. Finally i have some readings from the sensor at Object1 address $07. I do get the right temp value from the...
View ArticlePPS understanding on 16F15313
Hi All, I've been struggling to understand Peripheral Pin Select (PPS). Tried once on a 16F18624 and gave up. Trying to understand it again, as it seems like all the current chips are going that way...
View ArticleBluetooth HC-05 Question
HI thank you for reading I have a project involving a HC05 / 06 Bluetooth module .... All is good but for one thing. I need the thing to drop connection when the host connection goes out of range Once...
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