Content for Perfboard

Arduino audio switch

“Inside my shelter i’ve a 5.1 Bose surround system and a couple of Yamaha NS-10M Studio speakers. I needed to drive them with only one power amplifier, so i needed a custom audio switch between speakers and …

Arduino nano segway

“A few days ago I got an arduino nano and what better way to test it than to make a NANO SEGWAY !!”

DS18b20 Temperature Sensor As a Thermostat

“This Instructable shows how I built the thermostat for my home-assistant using an ESP8266 and MQTT with a DS18b20 temperature sensor.”

Giving an Arduino a Heartbeat

“How would one be able to restart a system that has been deployed in a remote area which gives no immediate access for human intervention? The answer is to give the system an ability to reset itself in case of …

Pressure and temperature Arduino indicator

“This project reads the barometric pressure, ambient temperature, date, time and manages the display color of a phone Siemens S55 I gutted.”

RaspberryPi Alarm Clock

“This is an alarm clock based on a RaspberryPi. Any RaspberryPi will work. I used a model B1 version 2 because it has the mounting holes and speed does not matter. I have a task that needs to be performed …

Smartphone Charger Powered by Fire

“The reason for this project was to solve a problem I have. I sometimes do several days of hiking/backpacking in the wild and I always bring a smartphone with GPS and maybe other electronics. They need electricity and I …

Agriculture parameter monitoring

“An efficient and real time remote monitoring of agricultural environmental parameters is proposed. The system uses a WSN network from where the data is acquired from sensor nodes and it is transmitted through the wireless transmission protocol, Zigbee from the …

ATTiny85 Game Timer - Get rid of that old hourglass!

“This is a little project that uses ATTiny85 to make a simple “game timer”, intended to be used with board games that demand timed turns, like “Rummikub” or “Scrabble”. Never wait for all that sand getting down for the next …

homemade cycling powermeter

“In my latest project I tried to realise a simple and cheap cycling powermeter based on Arduino. After a month I can say “Yes I can”. There are many commercial products (SRM, SRAM …), but I’m always looking for a …