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How to Use YX-850: Examples, Pinouts, and Specs
Design with YX-850 in Cirkit DesignerIntroduction
The YX-850 is a versatile digital multimeter manufactured by Bombay Electronics, with the part ID "Switching Module." This device is designed for measuring voltage, current, and resistance with high accuracy and reliability. It features a clear LCD display, multiple measurement modes, and a compact design, making it suitable for both professional and hobbyist applications. The YX-850 is an essential tool for electronics troubleshooting, circuit testing, and general electrical measurements.
Explore Projects Built with YX-850
Arduino UNO Controlled Soundwave Generator with IR Sensor Activation and Relay Switching
This circuit features an Arduino UNO microcontroller interfaced with a 4-channel relay, two IR sensors, a servo motor, an LCD I2C display, a PAM8403 audio amplifier connected to a speaker, and an XR2206 function generator with a resistor and capacitor for frequency shaping. The Arduino controls the relays based on a potentiometer input, displays frequency information on the LCD, and adjusts the servo position in response to the IR sensors. The XR2206 generates an adjustable frequency signal, while the PAM8403 amplifies audio for the speaker.
Open Project in Cirkit DesignerMega2560-Controlled Automation System with Non-Contact Liquid Level Sensing and Motor Control
This circuit appears to be a complex control system centered around an Arduino Mega2560 R3 Pro microcontroller, which interfaces with multiple sensors (XKC-Y26-V non-contact liquid level sensors and an LM35 temperature sensor), servo motors, a touch display, and an IBT-2 H-Bridge motor driver for controlling a planetary gearbox motor. The system also includes a UART TTL to RS485 converter for communication, likely with the touch display, and a power management subsystem with a switching power supply, fuses, and circuit breakers for safety and voltage regulation (XL4016). The absence of embedded code suggests that the functionality of the microcontroller is not defined within the provided data.
Open Project in Cirkit DesignerSatellite-Based Timing and Navigation System with SDR and Atomic Clock Synchronization
This circuit appears to be a complex system involving power supply management, GPS and timing synchronization, and data communication. It includes a SI-TEX G1 Satellite Compass for GPS data, an XHTF1021 Atomic Rubidium Clock for precise timing, and Ettus USRP B200 units for software-defined radio communication. Power is supplied through various SMPS units and distributed via terminal blocks and DC jacks. Data communication is facilitated by Beelink MINI S12 N95 computers, RS232 splitters, and a 1000BASE-T Media Converter for network connectivity. RF Directional Couplers are used to interface antennas with the USRP units, and the entire system is likely contained within cases for protection and organization.
Open Project in Cirkit DesignerArduino UNO Controlled Joystick Interface with LCD Feedback and Audio Alert
This circuit features an Arduino UNO microcontroller connected to a KY-023 Dual Axis Joystick Module, an I2C LCD 16x2 Screen, a Piezo Speaker, and a Pushbutton. The joystick provides two analog inputs to the Arduino for X and Y axis control, while the pushbutton is connected to a digital input for user interaction. The LCD screen displays information via I2C communication, and the Piezo Speaker is driven by a digital output from the Arduino for audio feedback.
Open Project in Cirkit DesignerExplore Projects Built with YX-850
Arduino UNO Controlled Soundwave Generator with IR Sensor Activation and Relay Switching
This circuit features an Arduino UNO microcontroller interfaced with a 4-channel relay, two IR sensors, a servo motor, an LCD I2C display, a PAM8403 audio amplifier connected to a speaker, and an XR2206 function generator with a resistor and capacitor for frequency shaping. The Arduino controls the relays based on a potentiometer input, displays frequency information on the LCD, and adjusts the servo position in response to the IR sensors. The XR2206 generates an adjustable frequency signal, while the PAM8403 amplifies audio for the speaker.
Open Project in Cirkit DesignerMega2560-Controlled Automation System with Non-Contact Liquid Level Sensing and Motor Control
This circuit appears to be a complex control system centered around an Arduino Mega2560 R3 Pro microcontroller, which interfaces with multiple sensors (XKC-Y26-V non-contact liquid level sensors and an LM35 temperature sensor), servo motors, a touch display, and an IBT-2 H-Bridge motor driver for controlling a planetary gearbox motor. The system also includes a UART TTL to RS485 converter for communication, likely with the touch display, and a power management subsystem with a switching power supply, fuses, and circuit breakers for safety and voltage regulation (XL4016). The absence of embedded code suggests that the functionality of the microcontroller is not defined within the provided data.
Open Project in Cirkit DesignerSatellite-Based Timing and Navigation System with SDR and Atomic Clock Synchronization
This circuit appears to be a complex system involving power supply management, GPS and timing synchronization, and data communication. It includes a SI-TEX G1 Satellite Compass for GPS data, an XHTF1021 Atomic Rubidium Clock for precise timing, and Ettus USRP B200 units for software-defined radio communication. Power is supplied through various SMPS units and distributed via terminal blocks and DC jacks. Data communication is facilitated by Beelink MINI S12 N95 computers, RS232 splitters, and a 1000BASE-T Media Converter for network connectivity. RF Directional Couplers are used to interface antennas with the USRP units, and the entire system is likely contained within cases for protection and organization.
Open Project in Cirkit DesignerArduino UNO Controlled Joystick Interface with LCD Feedback and Audio Alert
This circuit features an Arduino UNO microcontroller connected to a KY-023 Dual Axis Joystick Module, an I2C LCD 16x2 Screen, a Piezo Speaker, and a Pushbutton. The joystick provides two analog inputs to the Arduino for X and Y axis control, while the pushbutton is connected to a digital input for user interaction. The LCD screen displays information via I2C communication, and the Piezo Speaker is driven by a digital output from the Arduino for audio feedback.
Open Project in Cirkit DesignerCommon Applications and Use Cases
- Measuring DC and AC voltage in electronic circuits
- Testing current flow in electrical systems
- Measuring resistance of components such as resistors
- Diagnosing faults in home appliances and automotive systems
- Educational purposes for electronics students and hobbyists
Technical Specifications
The YX-850 digital multimeter is designed to meet the needs of a wide range of users. Below are its key technical specifications:
| Parameter | Specification |
|---|---|
| Manufacturer | Bombay Electronics |
| Part ID | Switching Module |
| Display Type | LCD (3.5 digits, 1999 counts) |
| DC Voltage Range | 200mV, 2V, 20V, 200V, 600V |
| AC Voltage Range | 200V, 600V |
| DC Current Range | 200µA, 2mA, 20mA, 200mA, 10A |
| Resistance Range | 200Ω, 2kΩ, 20kΩ, 200kΩ, 2MΩ |
| Power Supply | 9V Battery (6F22) |
| Dimensions | 138mm x 69mm x 31mm |
| Weight | Approximately 150g |
| Safety Rating | CAT II 600V |
Pin Configuration and Descriptions
The YX-850 multimeter has three input ports for connecting test probes. Below is a description of each port:
| Port | Description |
|---|---|
| COM | Common ground port for all measurements. The black probe is connected here. |
| VΩmA | Input port for measuring voltage, resistance, and current (up to 200mA). |
| 10A | Dedicated input port for measuring high current (up to 10A). |
Usage Instructions
The YX-850 is easy to use and provides accurate measurements for a variety of applications. Follow the steps below to use the multimeter effectively:
General Usage
- Power On: Insert a 9V battery into the battery compartment and turn the rotary switch to the desired measurement mode.
- Connect Probes:
- Insert the black probe into the "COM" port.
- Insert the red probe into the appropriate port based on the measurement type:
- Use "VΩmA" for voltage, resistance, or current up to 200mA.
- Use "10A" for current measurements above 200mA (up to 10A).
- Select Range: Use the rotary switch to select the appropriate range for the measurement. If unsure, start with the highest range and adjust downward for better accuracy.
- Take Measurements:
- For voltage: Connect the probes across the component or circuit.
- For current: Connect the probes in series with the circuit.
- For resistance: Disconnect the component from the circuit and connect the probes across it.
- Read Results: Observe the measurement on the LCD display.
Important Considerations and Best Practices
- Always start with the highest range to avoid overloading the multimeter.
- Never measure resistance in a live circuit to prevent damage to the device.
- Use the "10A" port only for high-current measurements and switch back to "VΩmA" for other measurements.
- Replace the 9V battery when the display becomes dim or unstable.
- Avoid exposing the multimeter to moisture or extreme temperatures.
Example: Measuring Voltage with Arduino UNO
The YX-850 can be used to measure the voltage output of an Arduino UNO. Below is an example:
- Connect the black probe to the "COM" port and the red probe to the "VΩmA" port.
- Set the rotary switch to the "20V" DC voltage range.
- Connect the black probe to the Arduino's GND pin and the red probe to the 5V pin.
- Read the voltage on the multimeter display (should be approximately 5V).
Troubleshooting and FAQs
Common Issues and Solutions
| Issue | Possible Cause | Solution |
|---|---|---|
| No display or dim display | Low battery | Replace the 9V battery. |
| Incorrect readings | Probes connected to the wrong ports | Ensure probes are connected to the correct ports for the measurement type. |
| Multimeter does not power on | Battery not installed or improperly placed | Check battery installation and ensure proper polarity. |
| Overload ("1" displayed on screen) | Measurement range exceeded | Switch to a higher range on the rotary switch. |
| Burnt fuse (no current measurement) | Exceeded current limit | Replace the internal fuse with the correct rating. |
FAQs
Can the YX-850 measure AC current?
- No, the YX-850 is designed for DC current measurements only.
What is the maximum voltage the YX-850 can measure?
- The maximum voltage is 600V for both DC and AC measurements.
How do I replace the fuse?
- Open the back cover of the multimeter, locate the fuse, and replace it with a fuse of the same rating (usually 200mA or 10A, depending on the port).
Can I use the YX-850 for automotive diagnostics?
- Yes, the YX-850 is suitable for measuring voltage, current, and resistance in automotive systems.
By following this documentation, users can effectively utilize the YX-850 digital multimeter for a wide range of applications.