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Hello, Got a uart-to-rs485 converter board from the AliExpress . Its schematic is very close to this one It has a 120ohm resistor at data lines however it is not […]
My latest WIP, the “World’s Second Smallest MIDI Controller” (I think). It’s a bit bigger than the first iteration https://www.youtube.com/watch?v=5Ws_JfCw5NY in order to accommodate a potentiometer and larger buttons, as […]
This is a vacuum suction motor from vacuum robot that am trying to interface with Raspberry Pi. It has 4 wires and am not able to get it working. Any […]
Question: has anyone experimented with the serial port on the Arduino Opta? On the Uno et al there are pins broken out as Rx and Tx, but I’m not sure […]
The flowmeter contains a atmega 16 chip and i am trying to get flowrate and flow totalizer from it via rs485 to ttl converter using a arduino nano data related […]
I’m attempting to flash code over CANBUS on a Nucleo-F446 board, using the instructions from the following application note: [CAN Protocol Used in the STM32 Bootloader](https://www.st.com/resource/en/application_note/cd00264321-can-protocol-used-in-the-stm32-bootloader-stmicroelectronics.pdf). According to the document, […]
Hi, I’m experiencing inconsistent Wi-Fi connectivity issues with my ESP32-C3-MINI-1-U board, specifically frequent disconnections (every 10-15 minutes) and slow reconnection times, which persist across different networks and environments, including home, […]
Hello, I’m working on a light intensity monitoring system using `BeagleBone Black` and a Esp32. I’m interfacing an `LDR` (Light Dependent Resistor) through the `Esp32` with a 4-digit 7-segment display […]
Hey guys while developing a CAN bus monitoring system using the ESP32-S3, ESP-IDF, and RTOS, I encountered a WDT (Watchdog Timer) panic within my CAN interrupt service routine (ISR) when […]
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