Dilshan R JayakodyEcho Generator for MicrophonesThis project is about a single-channel microphone echo generator circuit. This circuit builds around the Holtek HT8970 echo effect…3 min read·Jun 30, 2023----
Dilshan R JayakodyUniversal HD44780 LCD interfaceYALI ( Yet Another LCD Interface) is an open-source project to provide a universal interface to drive the popular Hitachi HD44780 LCD…2 min read·Mar 28, 2023----
Dilshan R Jayakody6-channel speaker selectorAt the beginning of 2018, we developed the first version of the 6-channel speaker selector using PIC16F88 MCU and ULN2803 Darlington…3 min read·Dec 31, 2022----
Dilshan R Jayakody5.1 channel analog audio processorIn this project, we developed a 5.1-channel analog audio processor using PT2322 IC. PT2322 is an inexpensive analog audio processor…3 min read·Oct 24, 2022----
Dilshan R JayakodyVirtual electronic finderscope for the StellariumStarPointer is a virtual electronic finderscope for astronomical telescopes. This device works with Stellarium and helps the observer…3 min read·Jun 19, 2022----
Dilshan R JayakodyExperimental narrowband FM receiver for the 2-meter bandMC3362 and ADF4351 based, modularized, narrowband FM receiver. This receiver is designed to listen to the 2-meter band conversations.3 min read·May 14, 2022----
Dilshan R JayakodyWireless Call BellThis project is about a wireless musical call bell, which I designed to meet some of my friend’s requirements. This circuit design uses…2 min read·Mar 20, 2022----
Dilshan R JayakodyInfrared remote control clone utilityIR Clone is an open-source IR remote control analyzer tool. This utility can analyze any IR remote control that modulates the IR signal…2 min read·Feb 16, 2022----
Dilshan R JayakodyTPA3001D1 Power AmplifierThis project is about a TPA3001D1 audio power amplifier. We built this amplifier as a more efficient alternative for the TDA2030 amplifier.2 min read·Nov 25, 2021----
Dilshan R JayakodySTM8S005C6T6 Ethernet development boardIn this project, we built an STM8S005C6T6 based Ethernet development board for our IoT experiments. This development board consists of…2 min read·Nov 15, 2021----
