How to Use JST SH1 x4 Female: Examples, Pinouts, and Specs

The JST SH1 x4 Female connector is a compact, high-quality connector designed for secure and reliable wire-to-board or wire-to-wire connections in electronic circuits. With a 1.0mm pitch and a 4-pin configuration, this connector is widely used in applications requiring small form factors and dependable electrical connections. Its compact size makes it ideal for use in drones, robotics, wearables, and other space-constrained electronic devices.

• Connecting sensors, actuators, or modules in compact electronic devices
• Power and signal transmission in drones and robotics
• Wearable technology and IoT devices
• PCB-to-wire connections in small-scale projects

The following table outlines the key technical details of the JST SH1 x4 Female connector:

The JST SH1 x4 Female connector has four pins, typically used for power and signal connections. The pinout is as follows:

Note: The pinout may vary depending on the specific application or device. Always refer to the datasheet or circuit diagram for your project.

1. Prepare the Wires:

   • Strip approximately 1-2mm of insulation from the ends of the wires you intend to connect.
   • Ensure the wires are clean and free of damage.

2. Crimp the Contacts:

   • Use a compatible crimping tool to attach the crimp terminals to the stripped wire ends.
   • Verify that the crimped connection is secure and that no loose strands are exposed.

3. Insert the Contacts:

   • Insert the crimped terminals into the connector housing until they click into place.
   • Ensure the terminals are fully seated and aligned with the connector's pin configuration.

4. Connect to the Mating Connector:

   • Align the JST SH1 x4 Female connector with its corresponding male connector.
   • Gently push the connectors together until they lock securely.

5. Verify the Connection:

   • Check the continuity of the connection using a multimeter.
   • Ensure the connector is properly seated and that all pins are making contact.

• Avoid Overcurrent: Do not exceed the 1A current rating to prevent overheating or damage.
• Secure Connections: Ensure the connector is fully mated to avoid intermittent connections.
• Proper Crimping: Use the recommended crimping tool for reliable and durable connections.
• Environmental Conditions: Avoid exposing the connector to temperatures or humidity levels outside its operating range.

The JST SH1 x4 Female connector can be used to connect sensors or modules to an Arduino UNO. Below is an example of connecting a sensor with a JST SH1 x4 interface to the Arduino:

// Example: Reading data from a sensor connected via JST SH1 x4 Female connector
// Pin 1: VCC (5V from Arduino)
// Pin 2: GND (Ground)
// Pin 3: Signal/Data Line 1 (Connected to Arduino pin A0)
// Pin 4: Signal/Data Line 2 (Optional, not used in this example)

const int sensorPin = A0; // Define the analog pin connected to the sensor
int sensorValue = 0;      // Variable to store the sensor reading

void setup() {
  Serial.begin(9600); // Initialize serial communication
  pinMode(sensorPin, INPUT); // Set the sensor pin as input
}

void loop() {
  sensorValue = analogRead(sensorPin); // Read the sensor value
  Serial.print("Sensor Value: ");      // Print the sensor value to the serial monitor
  Serial.println(sensorValue);
  delay(500); // Wait for 500ms before the next reading
}

Note: Ensure the sensor's pinout matches the JST SH1 x4 Female connector's pin configuration.

1. Loose Connections:

   • Issue: The connector feels loose or disconnects easily.
   • Solution: Verify that the crimped terminals are fully inserted into the housing and that the connector is properly mated.

2. Intermittent Signal:

   • Issue: The signal is unstable or drops intermittently.
   • Solution: Check for damaged wires, poor crimping, or misaligned pins. Ensure the connector is securely fastened.

3. Overheating:

   • Issue: The connector becomes hot during operation.
   • Solution: Ensure the current does not exceed the 1A rating. Check for short circuits or excessive resistance in the connection.

4. Incorrect Pinout:

   • Issue: The device does not function as expected.
   • Solution: Double-check the pinout and wiring. Refer to the datasheet or circuit diagram for the correct configuration.

• Q: Can the JST SH1 x4 Female connector handle high-frequency signals?
  A: Yes, it can handle high-frequency signals, but ensure proper shielding and grounding to minimize interference.

• Q: What crimping tool should I use for this connector?
  A: Use a crimping tool specifically designed for JST SH series connectors to ensure reliable connections.

• Q: Is this connector suitable for outdoor use?
  A: The connector is not waterproof. For outdoor use, additional sealing or a waterproof housing is recommended.

• Q: Can I solder wires directly to the connector?
  A: While possible, soldering is not recommended as it may damage the housing or compromise the connection's reliability.

By following this documentation, you can effectively use the JST SH1 x4 Female connector in your electronic projects.