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I want to know when the batteries of a model are getting low. The 5 AA batteries are over 5 volts so I cannot check the end voltage. I make […]
Latest step in a MIDI drums project: Displaying MIDI inputs to an Arduino Opta w/ an SSD1306 OLED and my AUX adapter device https://www.tindie.com/products/35482 Wasn’t too hard to get the […]
I’m using a circuit that gives a LOW output on D when a magnet passes by the reed switch. Is there a way to make it output HIGH instead? (HIGH […]
Related question: I’ll likely use an ATtiny85 for this project, meaning limited IO pins (WIP schematic pictured). I’ll mostly be listening for signals with a software serial Rx pin, but […]
Those of you that use a CR2032 battery, have you ever looked at the datasheet? Per this one https://www.mouser.com/datasheet/2/315/3627_fileversion-1627278.pdf for instance, using just 2mA drops the capacity significantly in terms […]
Hello everyone, I have a design I need to send to production tonight, the design just came in some hours ago.. It’s an IOT board. In the firmware, I will […]
Hello @hereI’m designing a board with computer vision capability around an ESP32-S3.Also with 4G(LTE) connectivity. I want to use SIM A7670c chip for the connectivity. I need help to implement […]
Hello, I am a CEO of a company called SelectStrum. We’re trying to design and produce a light up guitar pick that lights up every time you strum. We are […]
I’m new to Peltier modules, heatsinks, CPU fans, and thermoelectrics. I need help figuring out how to efficiently match those components together. I’ve been more of a mechanical designer rather […]
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