IoT / Electronics

Hi! can anyone help me for build a gateway using raspberry pi3 with dragino lora hat? I'm using a Dragino Lora Hat v1.4 with SX1276 (868 MHz) for my Raspberry Pi 3B, and I'...

is there any way connecting hdmi as input for esp8266?

I have a question... I want to reduce noise in the data trace that is feeding me 0-3.3VDC at around 2mA... The data trace has to go under a relay and sometime the turning on...

Hi all, This might as well be long, so apologies for the long message. But anyone fluent with esp32 with esp-idf, they can continue reading 😅. Background: Im making pay...

Hello , hope you are well. Could we change the color of a monitor with the arduino UNO? Is it possible?

Got a question: How many you people here drink tea or coffee? How many of you hate it when the coffee cools down to room temp? (related to IoT)

Hi guys, I’m trying to build a PEV with 100V batteries, and I can’t quite find any for sale VESCs with that voltage. Can I just buy a 100V ubox and replace the fets with 150V ...

For a current project of mine, I'm looking for a CAD software of some kind that allows for 3D modeling of a physical appliance, with electronic components as what could be jus...

How does the DAC/amp circuit behind a headphone jack detect that a device is plugged in? At first I assumed that it would be the impedance of the device (e.g. 32 ohm for my Sa...

Hello guys, I made a circuit where I am testing voltages from 3 Phase input and I have relays to turn off and turn on external contactors, the circuit works but sometimes when...

Hi everyone! I’m currently making a BMS for a li-ion battery, and I’m stuck right now on the charge control part. So here is the question - how do I properly limit current? I ...

Hiring Cybersecurity Product Specialist. Know anyone who might be interested? Location: Riyadh, KSA - Solid understanding of cybersecurity principles, threats, and best prac...