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“Temperature and humidity measurement with BME280, a Raspberry Pi and NodeMCU. I use MQTT, InfluxDB, Telegraf, Grafana and MicroPython. Story Introduction I have no smart home, but I wanted to have some statistics about temperatures / humidity in several rooms in …
“This is an ATtiny85-based digital music box that will play a tune stored in memory in MIDI format. The notes sound like a music box or harpsichord, with a decaying envelope, and there are four channels, so up to four …
“DMX is a protocol used to control stage lighting fixtures and special effects. Each device has it’s own channel(s) which it responds to. This channel is user selectable by a DIP switch or a display with buttons. There …
“This instructable was created in fulfillment of the project requirement of the Makecourse at the University of South Florida (www.makecourse.com) Hello! Do you have not-so-valuable valuables that you want to secure but not so securely?Do you have …
“When our son was about three or four years old we started expecting him to do things in a timely manner. I would say things like “We need to go in ten minutes!” or “Play with that truck for five …
“It’s not only a cool little badge with a tiny bubble display for nice words and numbers but also a dev board for prototyping. Story Introduction Many of us have seen the dark side of life and those poor …
“This instructable was created in fulfillment of the project requirement of the Makecourse at the University of South Florida (www.makecourse.com) Sampling is an important aspect of almost any wetlab as they can be analyzed to provide important information …
“There are plenty of ways to irritate your XYL with an obsession of ham radio; but if you feel you need just one more then keep reading. The black box above is actually a clock. It’s a cool clock …
“I have done several pen and laser machines lately, so I decided to create a custom PCB for Grbl_ESP32 for these types of machines. This is a small (70mm x 60mm) PCB with all the features a pen plotter or …
“Here’s my latest DIY project, a smartphone based on a Raspberry Pi. It’s called – wait for it – the PiPhone. It makes use an Adafruit touchscreen interface and a Sim900 GSM/GPRS module to make phone calls. It’s …