More about summer files (30)

€5 / Members: Free

| When cooking food, timing is one of the most important ingredients. This digital timer can be a great help!

| Measuring low resistance values is not the strong suit of most multimeters. This instrument enables you to measure resistances from 100 µΩ u...

€5 / Members: Free

| This circuit interferes with the low-voltage connection between the boiler control unit and the hot water flow switch — the sensor that clos...

€5 / Members: Free

| With this circuit featuring a single ATtiny85 microcontroller, you can simultaneously obtain three square waves of different, user-defined f...

€5 / Members: Free

| Need to turn on a device by placing an object on a surface? This low-power IR switch can do the trick.

€5 / Members: Free

| Need an EMI filter? You can DIY. Check out this simple solution. 

€5 / Members: Free

| Pulse width modulated switching is an efficient technique to control power dissipated in a load. This simple four-component design builds an...

€5 / Members: Free

| Microcontrollers are not mandatory. Sometimes pure logic does the job.

€5 / Members: Free

| There are many DC/DC converters available at low cost and with small footprints, but that’s a bit boring, isn’t it? You can learn a lot with...

| With two tubes for increased sensitivity, this Geiger-Müller tube shield can turn your Arduino Uno into an instrument for measuring and reco...