Can I connect a 0.5W Speaker direct to an input (Raspberry pi in my case) and expect it to be as loud as a let's say a phone speaker? Will a very small speaker work directly from an input? If not ...
Hi all, my mini USB connector somehow broke off the board and has been rattling around its casing, I opened it up and found where its supposed to be connected, is this saveable? could I just solder th...
Hello, I was wondering if it would be possible to have the Dimensity 1000 system on chip preinstalled to a pcb. I have not seen an option for it and I don't have the time to source the chips and s...
I'm expecting to see the state of a pin that I'm reading to pull low for maybe 50 us and then back up to high. The original code running on an UNO/Nano code looks about like this:while ((...
I'm doing a Sanitiser dispenser with an Ultrasonic Sensor. For every alternate sensing of the hand, I'm getting a brief disturbance signal from the relay. It goes on for a few milliseconds and...
The speed of the PMSM is controlled by varying the frequency of the three phase signals that go to the motor windings, but the BLDC motor’s speed is controlled by varying the voltage amplitude. Why is...
The pins have came off from the connector and stuck to the board. Do I simply clean it off using braid, wipe it using alcohol + brush then use a flux pen. Thanks
