LM1800 Stereo Demodulator
Construct an accurate LC Meter (Capacitance Inductance Meter) to facilitate the creation of coils and inductors. This LC Meter is capable of measuring very small inductances, making it an ideal tool for various RF coil and inductor applications. The device can measure inductances ranging from 10 nH to 1000 nH, 1 µH to 1000 µH, and 1 mH to 100 mH, as well as capacitances from 0.1 pF to 900 nF. The circuit features an auto-ranging function and a reset switch, providing highly accurate and stable readings. The Volt Ampere Meter measures voltages from 0-70 V or 0-500 V with a 100 mV resolution and current consumption from 0-10 A or more with a 10 mA resolution. This meter serves as an excellent addition to any power supply, battery charger, or other electronic projects requiring voltage and current monitoring. It utilizes the PIC16F876A microcontroller with a 16x2 backlit LCD. The frequency meter/counter measures frequencies from 10 Hz to 60 MHz with a 10 Hz resolution, serving as valuable bench test equipment for identifying the frequencies of various devices such as oscillators, radio receivers, transmitters, function generators, and crystals. The XR2206 Function Generator produces high-quality sine, square, and triangle waveforms with stability and accuracy, operating at frequencies from 1 Hz to 2 MHz. The output waveforms can be modulated in both amplitude and frequency and can be directly connected to the 60 MHz counter for precise frequency output. The BA1404 HI-FI Stereo FM Transmitter broadcasts high-quality stereo signals in the 88 MHz to 108 MHz FM band and can be connected to a variety of stereo audio sources, including iPods, computers, laptops, CD players, televisions, and more, allowing for transmission of stereo sound with exceptional clarity throughout various environments. The USB IO Board is a compact development board and parallel port replacement featuring the PIC18F2455/PIC18F2550 microcontroller, compatible with Windows, Mac OSX, and Linux systems. When connected to a Windows system, it appears as an RS232 COM port, allowing control of 16 individual microcontroller I/O pins via simple serial commands. The USB IO Board is powered through the USB port and can provide up to 500 mA for electronic projects, being breadboard compatible. The RF remote control offers a long range of up to 200 m (650 ft) and can be utilized for controlling various devices, functioning effectively even through walls. It can control lights, fans, air conditioning systems, computers, printers, amplifiers, robotic systems, garage doors, security systems, motor-driven curtains, motorized window blinds, door locks, sprinklers, motorized projection screens, and much more. The four-button RF remote can independently turn ON/OFF four different devices, with each output configurable to operate in either toggle or momentary mode. Outputs are buffered by BC549 NPN transistors, allowing direct driving of low-voltage devices or connection to 5V or 12V relays (or motors) for controlling appliances operating at 110V or 220V mains voltage. Multiple remote systems can be deployed independently to manage more than four appliances in the same area by changing the address code on the 433 MHz receiver and remote, and it is also feasible to use several remotes to control the same appliance, such as a garage door.
The construction of this LC Meter involves a series of interconnected components designed for precision measurement of inductance and capacitance. The core of the meter utilizes a microcontroller (PIC16F876A) programmed to handle input from various sensors and display the results on a 16x2 backlit LCD. The auto-ranging capability of the LC Meter allows it to automatically adjust its measurement scale based on the detected values, enhancing user experience and measurement accuracy.
The Volt Ampere Meter section is designed to handle high voltage and current measurements, featuring appropriate voltage dividers and current shunts to ensure safe and accurate readings. The use of high-precision resistors and capacitors in the circuitry contributes to the stability of the readings.
The frequency counter employs a high-speed input circuit that captures frequency signals from oscillators and other devices, displaying them in real-time. It is particularly useful for RF applications where frequency stability is crucial.
The XR2206 Function Generator circuit includes an array of passive and active components that generate clean waveforms, with options for modulation to facilitate testing of various signal processing applications.
The BA1404 FM Transmitter is designed to interface with audio sources seamlessly, employing filtering and amplification stages to ensure high fidelity in audio transmission. Careful attention is given to the RF output stage to maintain signal integrity over the FM band.
The USB IO Board provides a versatile platform for controlling electronic devices, featuring a straightforward interface for users to interact with microcontroller pins, thus enabling a range of automation projects. The RF remote control system is engineered for reliability, with robust circuitry that ensures long-range operation and versatility in controlling multiple devices.
Overall, the combined functionalities of these devices create a comprehensive toolkit for electronics enthusiasts and professionals, facilitating a wide range of applications from basic measurements to advanced RF communication.Build your own Accurate LC Meter (Capacitance Inductance Meter) and start making your own coils and inductors. This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils and inductors.
LC Meter can measure inductances starting from 10nH - 1000nH, 1uH - 1000uH, 1mH - 100mH and capacitances f rom 0. 1pF up to 900nF. The circuit includes an auto ranging as well as reset switch and produces very accurate and stable readings. Volt Ampere Meter measures voltage of 0-70V or 0-500V with 100mV resolution and current consumption 0-10A or more with 10mA resolution.
The meter is a perfect addition to any power supply, battery chargers and other electronic projects where voltage and current must be monitored. The meter uses PIC16F876A microcontroller with 16x2 backlighted LCD. Frequency Meter / Counter measures frequency from 10Hz to 60MHz with 10Hz resolution. It is a very useful bench test equipment for testing and finding out the frequency of various devices with unknown frequency such as oscillators, radio receivers, transmitters, function generators, crystals, etc.
1Hz - 2MHz XR2206 Function Generator produces high quality sine, square and triangle waveforms of high-stability and accuracy. The output waveforms can be both amplitude and frequency modulated. Output of 1Hz - 2MHz XR2206 Function Generator can be connected directly to 60MHz Counter for setting precise frequency output.
Be "On Air" with your own radio station! BA1404 HI-FI Stereo FM Transmitter broadcasts high quality stereo signal in 88MHz - 108MHz FM band. It can be connected to any type of stereo audio source such as iPod, Computer, Laptop, CD Player, Walkman, Television, Satellite Receiver, Tape Deck or other stereo system to transmit stereo sound with excellent clarity throughout your home, office, yard or camp ground. USB IO Board is a tiny spectacular little development board / parallel port replacement featuring PIC18F2455/PIC18F2550 microcontroller.
USB IO Board is compatible with Windows / Mac OSX / Linux computers. When attached to Windows IO board will show up as RS232 COM port. You can control 16 individual microcontroller I/O pins by sending simple serial commands. USB IO Board is self-powered by USB port and can provide up to 500mA for electronic projects. USB IO Board is breadboard compatible. Having the ability to control various appliances inside or outside of your house wirelessly is a huge convenience, and can make your life much easier and fun. RF remote control provides long range of up to 200m / 650ft and can find many uses for controlling different devices, and it works even through the walls.
You can control lights, fans, AC system, computer, printer, amplifier, robots, garage door, security systems, motor-driven curtains, motorized window blinds, door locks, sprinklers, motorized projection screens and anything else you can think of. Four button RF remote is used to turn ON / OFF four different devices independently. Any of the four outputs can be configured to work independently in either toggle or momentary mode. Outputs are buffered by BC549 NPN transistors and can drive low voltage devices directly or be connected to either 5V or 12V relays (or motors) to control appliances that use 110V / 220V mains voltage or any voltage of your choice.
Multiple remote systems can be used independently to control more than four appliances in the same location by changing the address code on 433MHz receiver and remote. It is also possible to use several remotes to control the same appliance such as garage door. 🔗 External reference
The construction of this LC Meter involves a series of interconnected components designed for precision measurement of inductance and capacitance. The core of the meter utilizes a microcontroller (PIC16F876A) programmed to handle input from various sensors and display the results on a 16x2 backlit LCD. The auto-ranging capability of the LC Meter allows it to automatically adjust its measurement scale based on the detected values, enhancing user experience and measurement accuracy.
The Volt Ampere Meter section is designed to handle high voltage and current measurements, featuring appropriate voltage dividers and current shunts to ensure safe and accurate readings. The use of high-precision resistors and capacitors in the circuitry contributes to the stability of the readings.
The frequency counter employs a high-speed input circuit that captures frequency signals from oscillators and other devices, displaying them in real-time. It is particularly useful for RF applications where frequency stability is crucial.
The XR2206 Function Generator circuit includes an array of passive and active components that generate clean waveforms, with options for modulation to facilitate testing of various signal processing applications.
The BA1404 FM Transmitter is designed to interface with audio sources seamlessly, employing filtering and amplification stages to ensure high fidelity in audio transmission. Careful attention is given to the RF output stage to maintain signal integrity over the FM band.
The USB IO Board provides a versatile platform for controlling electronic devices, featuring a straightforward interface for users to interact with microcontroller pins, thus enabling a range of automation projects. The RF remote control system is engineered for reliability, with robust circuitry that ensures long-range operation and versatility in controlling multiple devices.
Overall, the combined functionalities of these devices create a comprehensive toolkit for electronics enthusiasts and professionals, facilitating a wide range of applications from basic measurements to advanced RF communication.Build your own Accurate LC Meter (Capacitance Inductance Meter) and start making your own coils and inductors. This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils and inductors.
LC Meter can measure inductances starting from 10nH - 1000nH, 1uH - 1000uH, 1mH - 100mH and capacitances f rom 0. 1pF up to 900nF. The circuit includes an auto ranging as well as reset switch and produces very accurate and stable readings. Volt Ampere Meter measures voltage of 0-70V or 0-500V with 100mV resolution and current consumption 0-10A or more with 10mA resolution.
The meter is a perfect addition to any power supply, battery chargers and other electronic projects where voltage and current must be monitored. The meter uses PIC16F876A microcontroller with 16x2 backlighted LCD. Frequency Meter / Counter measures frequency from 10Hz to 60MHz with 10Hz resolution. It is a very useful bench test equipment for testing and finding out the frequency of various devices with unknown frequency such as oscillators, radio receivers, transmitters, function generators, crystals, etc.
1Hz - 2MHz XR2206 Function Generator produces high quality sine, square and triangle waveforms of high-stability and accuracy. The output waveforms can be both amplitude and frequency modulated. Output of 1Hz - 2MHz XR2206 Function Generator can be connected directly to 60MHz Counter for setting precise frequency output.
Be "On Air" with your own radio station! BA1404 HI-FI Stereo FM Transmitter broadcasts high quality stereo signal in 88MHz - 108MHz FM band. It can be connected to any type of stereo audio source such as iPod, Computer, Laptop, CD Player, Walkman, Television, Satellite Receiver, Tape Deck or other stereo system to transmit stereo sound with excellent clarity throughout your home, office, yard or camp ground. USB IO Board is a tiny spectacular little development board / parallel port replacement featuring PIC18F2455/PIC18F2550 microcontroller.
USB IO Board is compatible with Windows / Mac OSX / Linux computers. When attached to Windows IO board will show up as RS232 COM port. You can control 16 individual microcontroller I/O pins by sending simple serial commands. USB IO Board is self-powered by USB port and can provide up to 500mA for electronic projects. USB IO Board is breadboard compatible. Having the ability to control various appliances inside or outside of your house wirelessly is a huge convenience, and can make your life much easier and fun. RF remote control provides long range of up to 200m / 650ft and can find many uses for controlling different devices, and it works even through the walls.
You can control lights, fans, AC system, computer, printer, amplifier, robots, garage door, security systems, motor-driven curtains, motorized window blinds, door locks, sprinklers, motorized projection screens and anything else you can think of. Four button RF remote is used to turn ON / OFF four different devices independently. Any of the four outputs can be configured to work independently in either toggle or momentary mode. Outputs are buffered by BC549 NPN transistors and can drive low voltage devices directly or be connected to either 5V or 12V relays (or motors) to control appliances that use 110V / 220V mains voltage or any voltage of your choice.
Multiple remote systems can be used independently to control more than four appliances in the same location by changing the address code on 433MHz receiver and remote. It is also possible to use several remotes to control the same appliance such as garage door. 🔗 External reference
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