Wireless Light Level Monitor – Transmitter Unit


https://www.electronics-lab.com/project/wireless-light-level-monitor-transmitter-unit/

Wireless Light Monitor: OPT101 sensor, ATMEGA328, and 433MHz RF. Displays 0-100% light on a 0.96" OLED.

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.

434MHz Wireless LED Dimmer Transmitter – Arduino Compatible


https://www.electronics-lab.com/project/434mhz-wireless-led-dimmer-transmitter-arduino-compatible/

The project presented here is a 434MHz Wireless Transmitter for LED Dimmer, built around the ATMEGA328 Arduino microcontroller. The potentiometer is connected to the ADC A1 analog pin of the ATMEGA328 chip. The microcontroller reads the analog value of the potentiometer and transmits the data through the 434MHz RF module. This data is received at […]

8 Channel RF Remote Transmitter with Holtek and Serial Protocol


https://www.electronics-lab.com/project/8-channel-rf-remote-transmitter-with-holtek-and-serial-protocol/

The project described here is an 8 Channel RF remote transmitter This transmitter is built using LICAL-EDC-DS001 chip from LINX. The project consists of the Encoder/Decoder chip, a 433Mhz RF module as a wireless link, 8 x tactile switches for operations, 10 x jumpers to set the transmitter address. This DS series decoder/encoder chip is […]

315Mhz RF Remote Transmitter – Arduino Compatible


https://www.electronics-lab.com/project/315mhz-rf-remote-transmitter-arduino-compatible/

This is a two-channel RF Transmitter unit that consists of, Atmega328 microcontroller, 2 Tactile switches with pull-down resistors, a programming port, and a 315Mhz RF transmitter module. It is an Arduino compatible open-source project that can be used for many RF transmitter applications. It is advisable to use 1 Foot hook-up wire as Antenna to […]

4 Channel 315Mhz RF Remote Transmitter – Arduino Compatible


https://www.electronics-lab.com/project/4-channel-315mhz-rf-remote-transmitter-arduino-compatible/

This is a 4 channel RF Transmitter unit that consists of an Atmega328 microcontroller, 4 x tactile switches with pull-down resistors, programming port, and 315Mhz RF transmitter module. It is Arduino compatible open-source project that can be used for many RF transmitter applications. It is advisable to use a 30cm hook-up wire as an antenna […]

4 Channel RF Remote Transmitter using nRF24L01- Arduino Compatible


https://www.electronics-lab.com/project/4-channel-rf-remote-transmitter-using-nrf24l01-arduino-compatible/

This is an open-source Arduino compatible board that enables you to build a 4 channel RF remote control. The project consists of an Atmega328 microcontroller, 4 tactile switches, nRF24L01 2.4Gz RF Transceiver Module, power LED, function LED, and 3.3V regulator. The operating supply is 5V DC. All switches are connected between Arduino pins and GND […]