IR sensors for temperature detection are extremely easy to set up and use with our microcontrollers, only 4 wires needed and two of them of for power! If you’re a video kind of person then here’s the accompanying video, otherwise read on below for more textual instructions! Affiliate links Various […]
Video is below, click to view… In this episode I look at a particular type of fingerprint sensor, the JM-101. It goes through how to store fingerprints on the device, how to clear them and how to check for a stored print. Spoiler alert: I’m not too happy with this […]
A video below explaining the reset sequence of the 6502. With a possible “bug” in the chip, perhaps. Source code shown in the video is available below. Affiliate links for the items shown: Arduino Nano: https://amzn.to/3NxD88A Board wire (red, black, white, green, blue, yellow): https://amzn.to/34IBeA5 Purple board wire : https://amzn.to/3rX3OGn […]
A video explaining the various number systems you may encounter when building/designing computer systems. Affiliate links for the items shown: Arduino Nano: https://amzn.to/3NxD88A Board wire (red, black, white, green, blue, yellow): https://amzn.to/34IBeA5 Purple board wire : https://amzn.to/3rX3OGn Various colour LEDs : https://amzn.to/3KeSbS1 Breadboards : https://amzn.to/3oTBJOo
Ever wanted to run more than one screen independently? Are you using the excellent tft_espi library? Well this guide will walk you through the small bit of work you need to do to achieve this, in particular with an ESP32 but the principles can be applied to any MCU of […]
OK, so sorry for such a long wait but at the time I started this project I envisaged working on the I2SAudio library (and other projects) far more than I did over the last year. As it happens circumstances have dictated a much lower release schedule for videos and articles […]
Intro In the last article we learnt all about the various pins of the 6502, today we’re going to look at the various ways of supplying a system clock, power up and see perhaps things you were not expecting. The you tube video is below and the main article follows. […]
IntroHere is the venerable 6502 processor, in this series of articles we are going to build a full computer system based around this 8 bit brain. Today we are going to look at the various pins and how we need to connect them to create a basic system. A supporting […]
Introduction to a new series of videos designing and building an 6502 based 8 bit computer. The principles of which can be applied to more advanced systems. In the upcoming videos we will look at all the principles in making our computer work, from the hardware to designing a “good” […]
A quick video covering Espressiv’s press release about the new ESP32-S3.
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