Bridge Head
#LDR
#light sensor
#motor control
#hand-picked components
#wire-wrap sockets
#automotive application
#rear-view mirror
#DIY
#light detection
Description: The LDRs were hand-picked. Got two packages of them from Radio Shack, looking for at least two pairs of similar parts. Then added wire-wrap pin sockets to the circuit so that the LDRs could be plugged in. Currently, the 0.33µF cap is not being used on my B-Head's. I made a long J-hook from Jumbo Paper Clips, attached it to the motor shaft, and then hung it from my rear-view mirror so it can see the lights.
The circuit described utilizes Light Dependent Resistors (LDRs) to detect ambient light levels, which can be useful in various applications such as automatic lighting systems or light-sensitive alarms. The selection of LDRs is critical, as their resistance varies significantly with light exposure, thus requiring careful matching to ensure consistent performance across the circuit.
The inclusion of wire-wrap pin sockets allows for easy interchangeability of the LDRs, facilitating experimentation with different types or configurations without the need for soldering. This modular approach enhances the flexibility of the circuit design, making it adaptable for various use cases.
The reference to a 0.33µF capacitor indicates a potential future role in the circuit, possibly for filtering or stability purposes, although its current non-utilization suggests it may be reserved for later modifications or enhancements.
The mechanical aspect of the design, involving a J-hook made from Jumbo Paper Clips, demonstrates a creative solution for mounting the sensor. By attaching the J-hook to the motor shaft and suspending it from the rear-view mirror, the circuit gains a unique capability to respond to the light conditions encountered while driving.
Overall, the described circuit exhibits a combination of electronic and mechanical ingenuity, making it a practical example of integrating sensors with everyday objects to achieve specific functionalities.The LDR`s were hand-picked. Got two packages of them from Radio Shack, looking for at least two pairs of similar parts. Then added wire-wrap pin sockets, to the circuit, so that the LDR`s could be plugged in. Currently, the 0.33UF cap is not being used on my B-Head`s. I made a long J-hook from "Jumbo Paper Clips", attached it to the motor shaft, and then hung it from my rear-view mirror so it can "see the lights". <grin> (Pix below)
The circuit described utilizes Light Dependent Resistors (LDRs) to detect ambient light levels, which can be useful in various applications such as automatic lighting systems or light-sensitive alarms. The selection of LDRs is critical, as their resistance varies significantly with light exposure, thus requiring careful matching to ensure consistent performance across the circuit.
The inclusion of wire-wrap pin sockets allows for easy interchangeability of the LDRs, facilitating experimentation with different types or configurations without the need for soldering. This modular approach enhances the flexibility of the circuit design, making it adaptable for various use cases.
The reference to a 0.33µF capacitor indicates a potential future role in the circuit, possibly for filtering or stability purposes, although its current non-utilization suggests it may be reserved for later modifications or enhancements.
The mechanical aspect of the design, involving a J-hook made from Jumbo Paper Clips, demonstrates a creative solution for mounting the sensor. By attaching the J-hook to the motor shaft and suspending it from the rear-view mirror, the circuit gains a unique capability to respond to the light conditions encountered while driving.
Overall, the described circuit exhibits a combination of electronic and mechanical ingenuity, making it a practical example of integrating sensors with everyday objects to achieve specific functionalities.The LDR`s were hand-picked. Got two packages of them from Radio Shack, looking for at least two pairs of similar parts. Then added wire-wrap pin sockets, to the circuit, so that the LDR`s could be plugged in. Currently, the 0.33UF cap is not being used on my B-Head`s. I made a long J-hook from "Jumbo Paper Clips", attached it to the motor shaft, and then hung it from my rear-view mirror so it can "see the lights". <grin> (Pix below)
Light Dependent Resistor
A Light Dependent Resistor (LDR), also known as a photoconductor, photoresistor, or photocell, is a commonly used electronic component that exhibits a decrease in resistance as the intensity of light striking its surface increases, and vice versa. Typically, LDRs are...
Automatic light dimmer circuit
This is an automatic light dimmer circuit. There is no need to manually adjust the brightness of the lights. This circuit is highly convenient, as it utilizes a light-dependent resistor (LDR) to detect external light levels.
The automatic light dimmer circuit...
Electronic Schematic Diagram of Light Detector Robot using Light Dependent Resistor (LDR)
The electronic schematic of the Light Detector Robot can be divided into three main components: the sensor, the microcontroller, and the DC motor driver. The light sensor utilized in this design is a Light Dependent Resistor (LDR), which alters its...
Light Sensor including Photocell and LDR Sensor
Electronics tutorial about light sensors including photocells, LDR, photodiodes, phototransistors, photovoltaic cells, and light-dependent resistors.
Light sensors are crucial components in various electronic applications, enabling devices to respond to changes in ambient light levels. This tutorial covers several types of light...
light sensor
When connecting this element in a voltage divider configuration, a high and low signal can be generated based on the amount of light detected by the sensor. An NPN transistor configured as an inverter further filters this signal to produce...
Light Barrier Detector
This simple circuit using a single transistor turns ON the relay when light falls on the LDR. The potentiometer is adjusted for the required sensitivity. The power supply is 6V. Be careful about the impedance of the relay. Its impedance...
Simple Morning Alarm Circuit Using LDR and UM66
This article provides instructions for creating a light-sensitive morning alarm circuit. The circuit utilizes an LDR (Light Dependent Resistor) or photoresistor to detect morning light, which triggers the alarm section. When light is detected, the circuit produces a melodious tone....
Light/dark relay switch
This kit is the most basic, practical circuit to build using an LDR to turn on a relay. The two transistors connected as a Darlington pair give the circuit enough sensitivity, while the trimpot gives sensitivity adjustment. The switching point...
Three motor control circuit start and stop sequence requirements
The circuit shown in Figure 3-89 illustrates a system where starting motor M1 allows motors M2 and M3 to initiate operation. Upon shutdown, motor Mz can be stopped first; however, once motor M1 is stopped (by pressing switch SB2), motors...