remote controlled dc drive
#DC motor
#remote control
#RF
#motor driver
#wireless
#receiver
#transmitter
#speed control
#PWM
#IR
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RF-Radio Frequency 6
This circuit is designed to attenuate signal frequency, with a customizable range from 1 to 40 dB. For UHF band usage, it should be enclosed within a shielded frame, and capacitors C1 to C3 should be appropriately selected. The connection...
Radio Frequency Circuits
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ic transmitter
FM transmitter IC manufacturers and suppliers include FM transmitter IC manufacturers with Bluetooth capabilities. The FM transmitter features an integrated circuit with four channels. The TNA029 IR audio transmitter IC is a low-cost solution with high performance.
The FM transmitter integrated...
90-125 Mhz Crystal RF Oscillator
This circuit operates at a frequency range of 90-125 MHz and is particularly useful for VHF/UHF converters. It provides an output power of 5 to 15 mW. The circuit can utilize high-quality fifth- or seventh-over-tone crystal types. A ferrite bead...
5474 tips
The Aristo ART-5474 Accessory Panel is a complete receiver designed to control accessories using buttons A through E on the Train Engineer transmitter. The ART-5474 is capable of controlling two turnouts, one constant load such as lights, and can trigger...
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 Coupled Scanning Voltmeter (ATMega8)
A 10 bit scanning voltmeter with a Minimum Mass Wireless Coupler, based on the ATMega8. Range to the Minimum Mass Base Unit is 10 to 15 cm. If the voltmeter is battery operated, it can be floated from ground. This...
A Regenerative Receiver with AGC for 80 and 40 Meters
Here is a dual-band regenerative receiver that originated from encouraging communications with Jerry (K9UT) and another individual named Harvey, who constructed the original AGC-80 and its experimental successor, the AGC-80/30. Jerry has expressed his satisfaction with both receivers, noting their...
RF Digital Wattmeter
The power is measured by the circuit AD8307 over a 50 ohm dummy load. An A/D converter of 12 bit converts the analog output from the AD8307 to a digital number. Since the AD is a 12 bit A/D, you...