Eric PietrowiczHow to Flash the Arduino Bootloader to a Custom nRF52832 DesignI’ve been working with a custom nRF52832 board design and I wanted to program the device with some demo software. The production board runs…Jun 3Jun 3
Eric PietrowiczMaking a Roadside Honey Stand with Thingio, Stripe and an ESP32A family member has started beekeeping recently and as a result has a surprising amount of excess honey. For a while now we’ve been trying…Feb 6Feb 6
Eric PietrowiczOpen Source Battery Capacity and Cycle TesterRechargeable lithium batteries are becoming increasingly popular in electronics. Qualifying these batteries from unknown suppliers can be…Jul 31, 2020Jul 31, 2020
Eric PietrowiczFlutter Bluetooth Low EnergyDeveloping native looking cross platform applications to communicate with Bluetooth Low Energy device makes it really easy to spin up an…May 13, 20201May 13, 20201
Eric PietrowiczFlutter & Dio Sending a Camera Picture as Form Data HTTP RequestDio is an HTTP client for flutter which is a useful way of sending form data to your back-end API. In this case, using form data to send…May 1, 20201May 1, 20201
Eric PietrowiczHow To Read Microsoft Outlook Calendars with PythonUsing the O365 Python library makes communicating with the Microsoft Outlook API very straight forward. The following steps are taken to…Nov 20, 20194Nov 20, 20194
Eric PietrowiczBluetooth Low Energy Development with Flutter and CircuitPythonFlutter is a relatively new framework that is intended to be completely cross platform. Ideally, the same code base (written in Dart) will…Nov 5, 2019Nov 5, 2019
Eric PietrowiczSound Classification with a Convolutional Neural NetConvolutional neural nets (CNNs) are one of the most effective network models being used for image classification given the algorithm’s…Oct 2, 2019Oct 2, 2019
Eric PietrowiczConstant Current Pulse GeneratorWhen designing a pulse generator, maintaining a constant voltage across a varying impedance is a common requirement. However, when a…Sep 13, 20192Sep 13, 20192
Eric PietrowiczCircuit Python on nRF52840 USB Dongle with JLinkThis tutorial outlines how to configure the nRF52840 USB dongle as a circuit python device.Aug 14, 20192Aug 14, 20192
