Content for Project

Not another digital alarm clock?

“Yes it is, but this one has Bluetooth and other great features! The Story This is my third project since this pandemic arrived and it was something my Dad made in 1993 which gave me the idea. Back then, he …

Open Dictionary

“Open Dictionary is a computer-vision based dictionary. It can be thought of as a dumb cousin of Google Translate. Problem English is not my first language and because of that, my English vocabulary is not that great. My weak vocabulary …

“Ouija” ESP8266 Programmer Planchette

“ESP, you say? Why not make an ESP8266 programmer that looks like a beautiful “talking board” planchette… and is also wearable? I’m building a suite of arcane tech tools that make everyday electronics tasks more beautiful. This one came …

PID Desktop Marble Balancer With Glo Rev 2

“The PID controller is one of the first things taught to engineering students and designers. Its simplicity and versatility make it easy to understand and implement. This ball balancer uses the PID feedback loop to balance a marble perfectly on …

PIR Motion Sensor LED Ceiling Light – Arduino Compatible

“This motion sensor LED ceiling light board has been designed using 4 white LEDs each of 1-3W, PIR sensor module, Atmega328 microcontroller, low ohm IRLR7843 MOSFET, and few other components. The PIR sensor detects the infra-red rays emitted by human …

Pwn the ESP32 Forever: Flash Encryption and Sec. Boot Keys Extraction

“I wanted to close my investigation by targeting the two major security features: Secure Boot Flash Encryption My final goal is to achieve a PERSISTENT exploit, bypassing the Secure Boot and the Flash Encryption. In this report, I disclose a …

Raspberry Pi 4 NAS out of an old Power Amplifier

“A Raspberry Pi 4 as NAS server with two WD red 4TB out of an old 19” power amplifier case. (Hard- and software). I had played around with the NAS feature of my router in the past, but quickly reached …

Remote On/Off Switch for Blynk Relay - using ThingsonEdge Cricket, Node Red, and MQTT

“Like most makers, my home is automated - not with off-the-shelf IoT devices, but with home-built switches and relays, Raspberry Pis and ESPs. My first remote switches - all controlled through ESP8266 01s- were mostly built with Blynk. I’d contentedly call …

School Bell Ring

“This project shows you how to automate and control from a mobile phone a school bell ring using a ESP8266 module with a relay and Blynk The main features could be the following: Access to a network wifi to control …

Simple Signage

“Using a Raspberry Pi 4, the VLC video player and Node-Red to implement a simple signage type application. The goal of the project was to use a reasonably cheap monitor for picture slide shows and video display at home. The …