Month: February 2021


Building a Circuit that takes constant mA Ask QuestionAsked todayActive todayViewed 5 times1 I want to discharge a battery at a constant C rate (0.2C) the battery is 3.7V and 380mAh. I did some calculations […]

boost converter

Boost converter single cell AA battery not delivering enough voltage when connected to Wemos D1 mini Ask QuestionAsked todayActive todayViewed 47 times0 Amazon Step-Up Boost Converter 0.9V-5V to 5V PFM max 600mA for Arduino DIY […]

Re-configure SPI-CS as gpio while using SPI Ask QuestionAsked todayActive todayViewed 26 times1 I am on a raspberry pi 4. Using both SPI’s with no need for either chip select. I’m running out of I/O […]