rx2 circuit
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3-Wire Receiver/Message Demuxer
This 3-wire receiver verifies the initial four data bits of 16 received bits against a predetermined address. If the two match, the remaining 12 bits are stored in two 6-bit flip-flop registers. The design can utilize either CMOS or TTL...
Wireless/Wii Hack for SNES and NES Controllers
The NES version of this modification closely resembles the SNES version, and it is advisable to review that article first for a general understanding of the assembly of these controllers. The primary component required is an original NES controller, which...
Wireless Switch Circuit PCB
The circuit diagram presented is a highly sensitive wireless relay switch designed to control home appliances such as flush systems and hand dryers. This wireless switch operates without the need for a remote control. It functions by simply moving a...
Wireless two-tone electronic doorbell circuit diagram
The transmitter circuit is activated by pressing the SB button. Components D1, D2, R2, R3, and C4 form a low-frequency oscillator that controls an audio oscillator made up of D3, D4, D5, and D6, allowing them to operate alternately. The...
Wireless two-tone electronic doorbell circuit diagram
The transmitter circuit is activated by pressing the SB button. Components D1, D2, R2, R3, and C4 form a low-frequency oscillator that controls an audio oscillator made up of D3, D4, D5, and D6, allowing them to operate alternately. The...
Rf-Type Battery Charger Circuit
This type of charger transfers RF energy from an inductor (L2) to an external pickup coil. The pickup coil is connected to a rectifier and a battery that requires charging. This design is advantageous as it eliminates the need for...
A Low Power Wireless Audio Power Amplifier circuit
This low-cost project enables audio reproduction from a television without disturbing others. It eliminates the need for wired connections between the TV and loudspeakers. Instead, it utilizes invisible infrared light to transmit audio signals from the TV to the loudspeakers....
Simple Low-Frequency Receiver
Using an NE602 heterodyne detector and U1 as an RF amplifier, this receiver tunes the middle portion of the low-frequency spectrum from 150 to 250 kHz. U2 is a loudspeaker amplifier.
The described circuit employs an NE602 integrated circuit as...
Desheng 89701 type radio small shortwave Wang schematic
The circuit diagram for the Desheng 89701 type radio, a compact shortwave receiver, is provided below.
The Desheng 89701 is designed for shortwave reception, making it suitable for capturing a variety of radio frequencies across the shortwave band. The circuit typically...