Versatile Link Fiber-Optic Receiver
https://www.electronics-lab.com/project/versatile-link-fiber-optic-receiver/
HBBR-2521Z Fiber Link is able to receive TTL data up to 5Mbaud@53meter distance. It uses a 5V supply and it has High EMI immunity and voltage isolation.
Versatile Link Fiber-Optic Transmitter
https://www.electronics-lab.com/project/versatile-link-fiber-optic-transmitter/
HBBR-1521Z Fiber Link is able to transmit TTL data up to 5Mbaud@53meter distance. It uses a 5V supply, 660nm LED and it has High EMI immunity and voltage isolation.
Arduino 8 Channels High-Side Switch
https://www.electronics-lab.com/project/arduino-8-channels-high-side-switch/
The project presented here is a high-side switch (8 channels) with MOSFET output. The Arduino board consists of an Arduino-compatible microcontroller ATMEGA328 and TPD2015FN – 8 Channels MOSFET switch. All 8 inputs of TPD2015FN are TTL compatible. The project is suitable for driving inductive and resistive loads such as industrial programmable logic controllers, motors, and […]
21-Watt Universal AC LED Driver with Accurate Average-Mode Constant Current Control
https://www.electronics-lab.com/project/21-watt-universal-ac-led-driver-with-accurate-average-mode-constant-current-control/
The project presented here is an average current mode control LED driver operating in a constant off-time mode. The project consists of a bridge rectifier followed by a buck converter operating with a fixed off-time of 20µs. The circuit provides accuracy, and line and load regulation of the LED current. The output LED current accuracy […]
3 Digit Common Cathode 0.5″ – 7 Segment Display Module (Multiplexed)
https://www.electronics-lab.com/project/3-digit-common-cathode-0-5-7-segment-display-module-multiplexed/
This is a 3 Digit 7-segment display project that contains 3 x Common Cathode displays, current limiting resistors or each LED segment, 3 x PNP Transistor on each common cathode for multiplexing etc. The project works with 5V TTL signals but can be optimized for 3.3V operations by reducing the current limiting resistors’ value. A […]
4 Digit Common Cathode 0.5″ – 7 Segment Display Module (Multiplexed)
https://www.electronics-lab.com/project/4-digit-common-cathode-0-5-7-segment-display-module-multiplexed/
This 4 Digit 7 segment display project contains 4 x Common Cathode displays, current limiting resistors or each LED segment, 4 x PNP transistors on each common cathode for multiplexing, etc. This is a very compact project that works with 5V TTL signals but can be optimized for 3.3V operations by reducing current limiting resistors […]
2 Digit Common Cathode 0.5″ – 7 Segment Display Module (Multiplexed)
https://www.electronics-lab.com/project/2-digit-common-cathode-0-5-7-segment-display-module-multiplexed/
This 2 Digit 7 segment display project contains 2 x Common Cathode displays, current limiting resistors or each LED segment, 2 x PNP Transistor on each common cathode for multiplexing, etc. This is a very compact project that works with 5V TTL signals but can be optimized for 3.3V operations by reducing current limiting resistors’ […]
4-Channel Remote Receiver Using NRF24L01 Radio Module – Arduino Compatible
https://www.electronics-lab.com/project/4-channel-remote-receiver-using-nrf24l01-radio-module-arduino-compatible/
Controlling 4 devices using an RF remote is very easy with this project. This is an Arduino compatible project. NRF24L01 module, Atmega328 microcontroller, 3.3V regulator, and few other components are part of the project. Onboard power LED and an additional functional LED is provided. The project provides 4x TTL outputs that can be interfaced with […]