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We are now selling CD4026 and CD4029 up and down counter modules. This page shows you how to assemble three digit digital object counter. If you are looking for 2 digit digital object counter please see this page. If you are interested in knowing about this 3 digit counter, please check this page.  The counter...

Two digits – Digital object counter DIY kit is one of the most popular kits designed by BuildCircuit. The kit is very popular among electronics beginners and intermediate circuit players.

A single-transistor FM transmitter DIY kit is a simple electronic circuit that allows you to broadcast an audio signal wirelessly using frequency modulation (FM). Such kits are popular among electronics enthusiasts and hobbyists due to their simplicity and educational value. Let’s break down the working of a typical single-transistor FM transmitter: Components: Transistor: The heart…

Remote operated musical bell is one of the interesting experiments every electronics hobbyist would like to make. We have made a very simple remote-operated musical bell DIY kit that requires your half an hour labor to make it work. It uses CD4017 decade counter, UM66 or BT66 musical chip and TSOP4838 infrared sensor as its…

The ‘basic trigger module’ works as a basic controller for up and down counters or seven-segment display drivers. It has 3 switches for up count, down count, and reset. Up switch increases the count and down switch decreases the count and the reset switch resets the count to zero. How does it work ? All...

This is yet another FM transmitter DIY kit for beginners and hobbyists. It is slightly different from our previous FM transmitters. It has 3 NPN transistors and the transmission range is around 50-100 meters. It is an enhanced wireless microphone with excellent transmission quality. The voice transmitted by the microphone can be heard using an…

In this tutorial, we will build a thermostat to independently activate and deactivate any domestic device depending on the temperature. We will be able to display the temperature and the activation status of the device connected to the relay on the 16×2 LCD display. Moreover, on the sketch we can modify the temperature, detected by…

We are now selling CD4026 and CD4029 up and down counter modules. This kit is based on my previous tutorial on 'digital object counter'. I had published the tutorial under 'minibread' category. Please check the tutorial.  Digital object counter In that tutorial, you can see that there is only one seven segment display and there...